DSE DSE7560 Manual
Text of the manual
DSE Model 7560 ATS and Mains Controller Operators Manual
2 057-017 7560 OPERATING MANUAL ISSUE 10.2 10/02/09 AM
Deep Sea Electronics Plc
Highfield House
Hunmanby
North Yorkshire
YO14 0PH
ENGLAND
Sales Tel: +44 (0) 1723 890099
Sales Fax: +44 (0) 1723 893303
E-mail: [email protected]
Website: www.deepseaplc.com
DSE Model 7560MK1 Main Control and ATS Operators Manual
© Deep Sea Electronics Plc
All rights reserved. No part of this publication may be reproduced in any material form (including photocopying
or storing in any medium by electronic means or other) without the written permission of the copyright holder
except in accordance with the provisions of the Copyright, Designs and Patents Act 1988.
Applications for the copyright holder’s written permission to reproduce any part of this publication should be
addressed to Deep Sea Electronics Plc at the address above.
The DSE logo and the names DSEUltra, DSEControl, DSEPower, DSEExtra, DSEMarine and DSENet are UK
registered trademarks of Deep Sea Electronics PLC.
Any reference to trademarked product names used within this publication is owned by their respective
companies.
Deep Sea Electronics Plc reserves the right to change the contents of this document without prior notice.
Amendments since last publication
Amd. No.
Comments
1
Converted 7560 V8 manual to 7560 V10
2
Update to wiring diagrams (issue10.1)
3
Update to typical wiring diagram (issue10.2)
Clarification of notation used within this publication.
NOTE:
Highlights an essential element of a procedure to ensure correctness.
CAUTION!
Indicates a procedure or practice, which, if not strictly observed, could result in
damage or destruction of equipment.
WARNING!
Indicates a procedure or practice, which could result in injury to personnel or
loss of life if not followed correctly.
DSE Model 7560 ATS and Mains Controller Operators Manual
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TABLE OF CONTENTS
Section
Page
1
BIBLIOGRAPHY........................................................................................... 5
1.1
INSTALLATION INSTRUCTIONS ................................................................................. 5
1.2
TRAINING GUIDES ..................................................................................................... 5
1.3
MANUALS .................................................................................................................. 5
1.4
OTHER PUBLICATIONS ............................................................................................. 6
2
INTRODUCTION........................................................................................... 7
3
SPECIFICATIONS ........................................................................................ 8
3.1
PART NUMBERING .................................................................................................... 8
3.1.1
SHORT NAMES .................................................................................................... 8
3.2
POWER SUPPLY REQUIREMENTS ............................................................................ 9
3.3
TERMINAL SPECIFICATION ....................................................................................... 9
3.4
GENERATOR VOLTAGE / FREQUENCY SENSING ..................................................... 9
3.5
INPUTS ...................................................................................................................... 9
3.5.1
DIGITAL INPUTS .................................................................................................. 9
3.6
OUTPUTS ................................................................................................................ 10
3.6.1
OUTPUTS A & B (FUEL AND START) .................................................................. 10
3.6.2
CONFIGURABLE OUTPUTS C & D (LOAD SWITCHING) ...................................... 10
3.6.3
CONFIGURABLE OUTPUTS E, F & G.................................................................. 10
3.7
COMMUNICATION PORTS ....................................................................................... 10
3.8
ACCUMULATED INSTRUMENTATION ...................................................................... 10
3.9
SOUNDER ................................................................................................................ 11
3.10
DIMENSIONS AND MOUNTING ............................................................................. 11
3.10.1
FIXING CLIPS .................................................................................................... 12
3.10.2
CABLE TIE FIXING POINTS................................................................................ 13
3.10.3
SILICON SEALING GASKET ............................................................................... 13
3.11
APPLICABLE STANDARDS ................................................................................... 14
4
INSTALLATION ......................................................................................... 15
4.1
USER CONNECTIONS .............................................................................................. 15
4.2
TERMINAL DESCRIPTION ........................................................................................ 16
4.2.1
DC SUPPLY, FUEL AND START OUTPUTS, OUTPUTS E,F,G .............................. 16
4.2.2
MSCMAGNETIC PICKUP, CAN AND EXPANSION ................................................ 16
4.2.3
LOAD SWITCHING AND MAINS VOLTAGE SENSING .......................................... 17
4.2.4
BUS VOLTAGE SENSING ................................................................................... 17
4.2.5
MAINS AND BUS CURRENT TRANSFORMERS ................................................... 18
4.2.6
CONFIGURABLE DIGITAL INPUTS ..................................................................... 19
4.2.7
PC CONFIGURATION INTERFACE CONNECTOR................................................ 20
4.2.8
EXPANSION INTERFACE CONNECTOR.............................................................. 20
4.2.9
RS485 CONNECTOR .......................................................................................... 21
4.2.10
LED INDICATORS AND LOGO INSERT ............................................................... 22
4.3
TYPICAL WIRING DIAGRAMS ................................................................................... 23
4.3.1
SINGLE MAINS, MULTIPLE GENERATORS ........................................................ 24
4.3.2
DUAL MAINS, MULTIPLE GENERATORS ............................................................ 25
4.3.3
MULTIPLE MAINS, MULTIPLE GENERATORS .................................................... 26
5
OPERATION .............................................................................................. 27
5.1
CONTROL ................................................................................................................ 27
5.1.1
DESCRIPTION OF CONTROLS .......................................................................... 28
6
CONTROL PUSH-BUTTONS ...................................................................... 29
6.1
MANUAL OPERATION .............................................................................................. 31
6.2
AUTOMATIC OPERATION ........................................................................................ 33
DSE Model 7560 ATS and Mains Controller Operators Manual
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6.2.1
STARTING ......................................................................................................... 33
6.2.2
CLOSING THE BUS BREAKER ........................................................................... 34
MAINS FAILED ............................................................................................................ 34
MAINS AVAILABLE ...................................................................................................... 34
6.2.3
RUNNING IN PARALLEL ..................................................................................... 35
RUNNING IN LOAD DEMAND ....................................................................................... 35
REMOTE START IN ISLAND MODE.............................................................................. 35
6.2.4
RE-TRANSFER TO MAINS ................................................................................. 36
6.3
TEST OPERATION ................................................................................................... 37
6.4
7560 MULTIPLE MAINS OPERATION ....................................................................... 38
6.4.1
7560 PRIORITY ................................................................................................. 38
6.4.2
7560 LOAD CT................................................................................................... 39
7
PROTECTIONS ........................................................................................... 40
7.1
WARNINGS .............................................................................................................. 41
7.2
ELECTRICAL TRIPS ................................................................................................. 43
7.3
ROCOF / VECTOR SHIFT......................................................................................... 44
7.3.1
MAINS DECOUPLING TEST MODE .................................................................... 44
7.3.2
SYNCHROSCOPE OPERATION ......................................................................... 45
7.4
COMPLETE INSTRUMENTATION LIST .................................................................... 46
7.4.1
BASIC INSTRUMENTATION ............................................................................... 46
7.5
THE FRONT PANEL CONFIGURATION EDITOR ....................................................... 47
7.5.1
ACCESSING THE FRONT PANEL CONFIGURATION EDITOR. ............................ 47
7.5.2
LIST OF ADJUSTABLE PARAMETERS IN ‘MAIN CONFIGURATION EDITOR’ ....... 48
7.6
RUNNING EDITOR ................................................................................................... 49
7.6.1
ACCESSING THE ‘RUNNING’ CONFIGURATION EDITOR .................................... 49
8
COMMISSIONING....................................................................................... 50
8.1.1
PRE-COMMISSIONING ...................................................................................... 50
8.2
COMMISSIONING SCREENS .................................................................................... 51
8.2.1
SCREEN 1 ......................................................................................................... 51
8.2.2
SCREEN 2 ......................................................................................................... 51
8.2.3
SCREEN 3 ......................................................................................................... 51
9
FAULT FINDING ......................................................................................... 52
9.1
ACCESSORIES ........................................................................................................ 53
9.1.1
OUTPUT EXPANSION ........................................................................................ 53
RELAY OUTPUT EXPANSION (157).............................................................................. 53
LED OUTPUT EXPANSION (548) .................................................................................. 53
9.1.2
INPUT EXPANSION (P130/P540/P541)................................................................ 53
9.2
COMMUNICATIONS OPTION ................................................................................... 54
9.2.1
DESCRIPTION ................................................................................................... 54
9.2.2
CONTROLLER TO PC (DIRECT) CONNECTION.................................................. 54
9.2.3
CONTROLLER TO ETHERNET CONNECTION .................................................... 55
9.2.4
RS485 LINK TO CONTROLLER .......................................................................... 56
TYPICAL BUILDING MANAGEMENT SCHEME USING RS485 MONITORING ................. 57
9.2.5
MODBUS ........................................................................................................... 57
9.3
ENCLOSURE CLASSIFICATIONS ............................................................................. 58
IP CLASSIFICATIONS .................................................................................................. 58
NEMA CLASSIFICATIONS ............................................................................................ 59
9.4
IEEE C37.2 STANDARD ELECTRICAL POWER SYSTEM DEVICE FUNCTION
NUMBERS ......................................................................................................................... 60
DSE Model 7560 ATS and Mains Controller Operators Manual
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1 BIBLIOGRAPHY
This document refers to and is referred to by the following DSE publications which can be obtained
from the DSE website www.deepseaplc.com
1.1 INSTALLATION INSTRUCTIONS
Installation instructions are supplied with the product in the box and are intended as a ‘quick start’
guide only.
DSE PART
DESCRIPTION
051-157
DSE130 input expansion module installation instructions
053-040
DSE157 expansion relay board installation instructions
053-052
DSE7510 installation instructions
053-053
DSE7520 installation instructions
053-054
DSE7560 installation instructions
053-055
DSE850 installation instructions
053-062
DSE860/DSE865 installation instructions
1.2 TRAINING GUIDES
Training Guides are produced to give ‘handout’ sheets on specific areas of the module operation.
DSE PART
DESCRIPTION
056-001
Four Steps to Synchronising and Load Sharing
056-005
Using CTs with DSE products
056-006
Introduction to Comms
056-011
MSC Link
056-013
Load Demand Scheme
056-021
Mains Decoupling
056-022
Breaker Control
056-024
GSM Modem
056-026
kW and kVAr
056-030
Module PIN codes
056-032
Using a DSE7560 with no bus breaker
1.3 MANUALS
DSE PART
DESCRIPTION
056-047
Load Share Design and Commissioning
057-078
DSE7500 Series configuration software manual
057-088
DSE7510 operators manual
057-089
DSE7520 operators manual
057-098
Link7000 software manual
DSE Model 7560 ATS and Mains Controller Operators Manual
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1.4 OTHER PUBLICATIONS
Additionally this document refers to the following third party publications
REFERENCE
DESCRIPTION
ISBN 1-55937-879-4
IEEE Std C37.2-1996 IEEE Standard Electrical Power System Device Function
Numbers and Contact Designations. Institute of Electrical and Electronics
Engineers Inc
ISBN 0-7506-1147-2
Diesel generator handbook. L.L.J.Mahon
ISBN 0-9625949-3-8
On-Site Power Generation. EGSA Education Committee.
DSE Model 7560 ATS and Mains Controller Operators Manual
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2 INTRODUCTION
This document details the installation and operation requirements of the DSE7500 Series modules,
part of the DSEPower® range of products.
The manual forms part of the product and should be kept for the entire life of the product. If the
product is passed or supplied to another party, ensure that this document is passed to them for
reference purposes.
This is not a controlled document. You will not be automatically informed of updates. Any future
updates of this document will be included on the DSE website at www.deepseaplc.com
The DSE7560 Mk1 controller is an update to the popular DSE7560. It maintains all the
functions and flexibility of the DSE5560 while being packaged in DSE7000 series styling
bringing with it the advantages of the DSE7000 series terminal compatibility easing system
upgrades. The DSE7560 Mk1 controller is compatible with DSE5560 and DSE556 controllers
when used in a multiple controller system, connected by the MSC (Multi-Set
Communications) Link.
The DSE 7560MK1 Module allows the OEM to meet demand for increased capability within the
industry. It allows the user to start and stop the generator and if required, transfer the load to the
generator either manually or automatically. The user also has the facility to view the system
operating parameters via the LCD display.
Utilising the inbuilt synchronising, volts matching and paralleling functions, the controller is able to
parallel with the mains supply for simple peak lopping (fixed generator output). Alternatively, the
7560MK1 can be used to parallel with other DSE 7560MK1 load sharing controllers. Up to 16 sets
can be connected in paralleling and load share as a standalone (prime power) system. Additionally
they can parallel with the mains supply (when used in conjunction with DSE 7560MK1).
The DSE 7560MK1 module also monitors the engine, indicating the operational status and fault
conditions, automatically shutting down the engine. Exact failure mode information is indicated by the
LCD display on the front panel.
The powerful Microprocessor contained within the module allows for many features to be
incorporated as standard;
• Full Multilingual LCD display (including non-western character fonts).
• True R.M.Ss. voltage monitoring.
• Power measurement.
• Communications capability (RS485)
• Check Sync capability
• Automatic Sync capability
• Load share / control capability
• Fully configurable inputs for use as alarms or a range of different functions also available on
P130 expansion inputs (optional)
• Extensive range of output functions using built in relay outputs or relay expansion available.
• Instrumentation and diagnostics from electronic engines when connected to an engine ECU.
Selective operational sequences, timers and alarm trips can be altered by the customer via a PC
using the 75xx For Windows ™ software and 810 interface or via the integral front panel
configuration editor.
Access to critical operational sequences and timers for use by qualified engineers, can be protected
by a security code. Module access can also be protected by PIN code. Selected parameters can be
changed from the module’s front panel.
The module is housed in a robust plastic case suitable for panel mounting. Connections to the
module are via locking plug and sockets.
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3 SPECIFICATIONS
3.1 PART NUMBERING
7560
-
000
-
00
At the time of this document production, there have been no revisions to the module hardware.
3.1.1
SHORT NAMES
Short name
Description
DSE7000
All modules in the DSE7000 Series
DSE7500
All modules in the DSE7500 sync/load share range
DSE7560
DSE7560 module
Product type
DSE 7560 Mains
controller and
ATS Module
7560
Variant
Standard version
00
Hardware revision
Revision 1
000
DSE Model 7560 ATS and Mains Controller Operators Manual
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3.2 POWER SUPPLY REQUIREMENTS
Minimum supply voltage
8V continuous
Cranking dropouts
Able to survive 0V for 50mS providing the supply was at least 10V
before the dropout and recovers to 5V afterwards.
Maximum supply voltage
35V continuous (60V protection)
Reverse polarity protection
-35V continuous
Maximum operating current
260mA at 24V
510mA at 12V
Maximum standby current
220mA at 24V
440mA at 12V
Plant supply instrumentation display
Range
0V-60V DC (note Maximum continuous operating voltage of 35V DC)
Resolution
0.1V
Accuracy
1% full scale
3.3 TERMINAL SPECIFICATION
Connection type
Screw terminal, rising clamp, no internal spring
Min cable size
0.5mm² (AWG 24)
Max cable size
2.5mm² (AWG 10)
3.4 GENERATOR VOLTAGE / FREQUENCY SENSING
Measurement type
True RMS conversion
Sample Rate
5KHz or better
Harmonics
Up to 10th or better
Input Impedance
300K Ω ph-N
Phase to Neutral
15V to 333V AC (max)
Phase to Phase
25V to 576V AC (max)
Common mode offset
from Earth
100V AC (max)
Resolution
1V AC phase to neutral
2V AC phase to phase
Accuracy
±1% of full scale phase to neutral
±2% of full scale phase to phase
Minimum frequency
3.5Hz
Maximum frequency
75.0Hz
Frequency resolution
0.1Hz
Frequency accuracy
±0.2Hz
3.5 INPUTS
3.5.1
DIGITAL INPUTS
Number
9
Arrangement
Contact between terminal and ground
Low level threshold
40% of DC supply voltage
High level threshold
60% of DC supply voltage
Maximum input voltage
DC supply voltage positive terminal
Minimum input voltage
DC supply voltage negative terminal
Contact wetting current
2.5mA @12V typical
5mA @ 24V typical
Open circuit voltage
Plant supply
DSE Model 7560 ATS and Mains Controller Operators Manual
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3.6 OUTPUTS
3.6.1
OUTPUTS A & B (FUEL AND START)
Type
Fuel (A) and Start (B) outputs. Supplied from DC supply terminal 2.
Rating
3A @ 35V
Protection
Protected against over current & over temperature. Built in load dump feature.
3.6.2
CONFIGURABLE OUTPUTS C & D (LOAD SWITCHING)
Type
Fully configurable volts free relays. Output C – Normally Closed, Output D –
Normally Open
Rating
8A @ 230V AC
Protection
Protected against over current & over temperature. Built in load dump feature.
3.6.3
CONFIGURABLE OUTPUTS E, F & G
Type
Fully configurable, supplied from DC supply terminal 2.
Rating
3A @ 35V
Protection
Protected against over current & over temperature. Built in load dump feature.
3.7 COMMUNICATION PORTS
810 port
For connection to the DSE810 interface only
Expansion port
For connection to DSE130, DSE157, DSE545, DSE548 expansion modules only
DSENet
DSE7510 Mk1 controller does not have DSENet expansion capability
CAN Port
Engine CAN Port
Standard implementation of ‘Slow mode’, up to 250K bits/s
Non Isolated.
Internal Termination provided (120Ω)
RS485 Serial
Isolated
Data connection 2 wire + common
Half Duplex
Data direction control for Transmit (by s/w protocol)
Max Baud Rate 19200
External termination required (120R)
Max common mode offset 70V (on board protection transorb)
Max distance 1.2km (¾ mile)
3.8 ACCUMULATED INSTRUMENTATION
NOTE : When an accumulated instrumentation value exceeds the maximum number as
listed below, it will reset and begin counting from zero again.
Engine hours run
Maximum 99999 hrs 59 minutes (approximately 11yrs 4months)
Number of starts
1,000,000 (1 million)
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3.9 SOUNDER
DSE7000 Series features an internal sounder to draw attention to warning, shutdown and electrical
trip alarms.
Sounder level
84db @ 1m
3.10 DIMENSIONS AND MOUNTING
DIMENSIONS
240.0mm x 181.1mm x 41.7mm (9.4” x 7.1” x 1.6”)
PANEL CUTOUT
220mm x 160mm (8.7” x 6.3”)
WEIGHT
0.7kg (1.4lb)
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3.10.1 FIXING CLIPS
The module is held into the panel fascia using the supplied fixing clips.
•
Withdraw the fixing clip screw (turn anticlockwise) until only the pointed end is protruding
from the clip.
•
Insert the three ‘prongs’ of the fixing clip into the slots in the side of the 7000 series module
case.
•
Pull the fixing clip backwards (towards the back of the module) ensuring all three prongs of
the clip are inside their allotted slots.
•
Turn the fixing clip screws clockwise until they make contact with the panel fascia.
•
Turn the screws a little more to secure the module into the panel fascia. Care should be
taken not to over tighten the fixing clip screws.
NOTE:- In conditions of excessive vibration, mount the module on suitable anti-vibration
mountings.
Fixing clip fitted to
module
Fixing clip
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3.10.2 CABLE TIE FIXING POINTS
Integral cable tie fixing points are included on the rear of the module’s case to aid wiring. This
additionally provides strain relief to the cable loom by removing the weight of the loom from the
screw connectors, thus reducing the chance of future connection failures.
Care should be taken not to over tighten the cable tie (for instance with cable tie tools) to prevent
the risk of damage to the module case.
Cable tie fixing point
With cable and tie in place
3.10.3 SILICON SEALING GASKET
The supplied silicon gasket provides improved sealing between the 7000 series module and the
panel fascia.
The gasket is fitted to the module before installation into the panel fascia.
Take care to ensure the gasket is correctly fitted to the module to maintain the integrity of the seal.
Gasket fitted to
module
Sealing gasket
DSE Model 7560 ATS and Mains Controller Operators Manual
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3.11 APPLICABLE STANDARDS
BS 4884-1
This document conforms to BS4884-1 1992 Specification for presentation
of essential information.
BS 4884-2
This document conforms to BS4884-2 1993 Guide to content
BS 4884-3
This document conforms to BS4884-3 1993 Guide to presentation
BS EN 60068-2-1
(Minimum
temperature)
-30°C (-22°F)
BS EN 60068-2-2
(Maximum
temperature)
+70°C (158°F)
BS EN 60950
Safety of information technology equipment, including electrical business
equipment
BS EN 61000-6-2
EMC Generic Immunity Standard (Industrial)
BS EN 61000-6-4
EMC Generic Emission Standard (Industrial)
BS EN 60529
(Degrees of protection
provided by
enclosures)
IP65 (front of module when installed into the control panel with the
supplied sealing gasket)
IP42 (front of module when installed into the control panel WITHOUT
being sealed to the panel)
UL508
NEMA rating
(Approximate)
12 (Front of module when installed into the control panel with the supplied
sealing gasket).
2 (Front of module when installed into the control panel WITHOUT being
sealed to the panel)
IEEE C37.2
(Standard Electrical
Power System Device
Function Numbers and
Contact Designations)
Under the scope of IEEE 37.2, function numbers can also be used to
represent functions in microprocessor devices and software programs.
The 7000 series controller is device number 11L-7000 (Multifunction
device protecting Line (generator) – 7000 series module).
As the module is configurable by the generator OEM, the functions
covered by the module will vary. Under the module’s factory configuration,
the device numbers included within the module are :
2 – Time delay starting or closing relay
27AC – AC undervoltage relay
27DC – DC undervoltage relay
30 – annunciator relay
42 – Running circuit breaker
50 – instantaneous overcurrent relay
51 – ac time overcurrent relay
52 – ac circuit breaker
59AC – AC overvoltage relay
59DC – DC overvoltage relay
62 – time delay stopping or opening relay
74– alarm relay
81 – frequency relay
86 – lockout relay
In line with our policy of continual development, Deep Sea Electronics, reserve the right to change specification without notice.
DSE Model 7560 ATS and Mains Controller Operators Manual
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4 INSTALLATION
The DSE7000 Series module is designed to be mounted on the panel fascia. For dimension and
mounting details, see the section entitled Specification, Dimension and mounting elsewhere in this
document.
4.1 USER CONNECTIONS
To aid user connection, icons are used on the rear of the module to help identify terminal functions.
An example of this is shown below.
NOTE : Availability of some terminals depends upon module version. Full details are
given in the section entitled Terminal Description elsewhere in this manual.
Terminals 1-13
Terminals 15-18
Terminals 22-36
Terminals 39-46
Terminals 47-50
Terminals 51-57
Terminals 60-68
Expansion I/O
connection for
130 / 157 / 545 /
548 modules
810
configuration
interface
connector
Serial and
part
number
label
DSE Model 7560 ATS and Mains Controller Operators Manual
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4.2 TERMINAL DESCRIPTION
4.2.1
DC SUPPLY, FUEL AND START OUTPUTS, OUTPUTS E,F,G
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
1
DC Plant Supply Input
(Negative)
2.5mm²
AWG 13
2
DC Plant Supply Input
(Positive)
2.5 mm²
AWG 13
(Recommended Maximum Fuse 15A anti-surge)
Supplies the module (2A anti-surge requirement) and
Output relays E,F,G & H
7
Functional Earth
2.5mm²
AWG 13
Connect to a good clean earth point.
8
Output relay E
1.0mm²
AWG 18
Plant Supply Positive from terminal 2. 3 Amp rated.
9
Output relay F
1.0mm²
AWG 18
Plant Supply Positive from terminal 2. 3 Amp rated.
10
Output relay G
1.0mm²
AWG 18
Plant Supply Positive. from terminal 2. 3 Amp rated.
NOTE:- Terminals 3 to 6 and 11 to 14 are not fitted to the DSE7560 MK1 controller.
NOTE:- Terminals 11 to 30 are not fitted to the DSE7560 MK1 controller.
4.2.2
MSC, MAGNETIC PICKUP, CAN AND EXPANSION
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
MSC
31
MSC H
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
32
MSC L
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
33
MSC SCREEN
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
NOTE:- Terminals 34 to 38 are not fitted to the DSE7560 MK1 controller
NOTE:- Screened 120ΩΩΩΩ impedance cable specified for use with CAN must be used for
the Multiset comms link.
DSE stock and supply Belden cable 9841 which is a high quality 120ΩΩΩΩ impedance cable
suitable for MSC use (DSE part number 016-030)
DSE Model 7560 ATS and Mains Controller Operators Manual
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4.2.3
LOAD SWITCHING AND MAINS VOLTAGE SENSING
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
39
Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
(Recommend 10A fuse)
40
Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
41
Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
(Recommend 10A fuse)
42
Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
43
Mains L1 (R) voltage
monitoring
1.0mm²
AWG 18
Connect to Mains L1 (R) incoming supply (AC)
(Recommend 2A fuse)
44
Mains L2 (S) voltage
monitoring
1.0mm²
AWG 18
Connect to Mains L1 (S) incoming supply (AC)
(Recommend 2A fuse)
45
Mains L3 (T) voltage
monitoring
1.0mm²
AWG 18
Connect to Mains L1 (T) incoming supply (AC)
(Recommend 2A fuse)
46
Mains Neutral (N) input
1.0mm²
AWG 18
Connect to Mains N incoming supply (AC)
NOTE:- The above table describes connections to a three phase, four wire alternator.
For alternative wiring topologies, please see the ALTERNATIVE AC TOPOLOGIES section of
this manual.
4.2.4
BUS VOLTAGE SENSING
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
47
Bus L1 (U) voltage monitoring
1.0mm
AWG 18
Connect to Bus L1 (U) output (AC)
(Recommend 2A fuse)
48
Bus L2 (V) voltage monitoring
input
1.0mm
AWG 18
Connect to Bus L2 (V) output (AC)
(Recommend 2A fuse)
49
Bus L3 (W) voltage monitoring
input
1.0mm
AWG 18
Connect to Bus L3 (W) output (AC)
(Recommend 2A fuse)
50
Bus Neutral (N) input
1.0mm
AWG 18
Connect to Bus Neutral terminal (AC)
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4.2.5
MAINS AND BUS CURRENT TRANSFORMERS
WARNING!:- Do not disconnect this plug when the CTs are carrying current.
Disconnection will open circuit the secondary of the C.T.’s and dangerous voltages may
then develop. Always ensure the CTs are not carrying current and the CTs are short circuit
connected before making or breaking connections to the module.
NOTE:- The DSE7510 MK1 module has a burden of 0.5VA on the CT. Ensure the CT is
rated for the burden of the DSE7510 MK1 controller, the cable length being used and any
other equipment sharing the CT. If in doubt, consult your CT supplier.
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
51
CT Secondary for Mains L1
2.5mm²
AWG 13
Connect to s1 secondary of L1 monitoring CT
52
CT Secondary for Mains L2
2.5mm²
AWG 13
Connect to s1 secondary of L2 monitoring CT
53
CT Secondary for Mains L3
2.5mm²
AWG 13
Connect to s1 secondary of L3 monitoring CT
Connection to terminals 54 & 55
The function of terminals 54 and 55 change position depending upon wiring topology as follows :
Type
Topology
Pin
No
Description
CABLE
SIZE
7300
series
No earth fault measuring
54
DO NOT CONNECT
55
Common for CTs connected to
L1,L2,L3
2.5mm²
AWG 13
Restricted earth fault measuring
54
Common for CTs connected to
L1,L2,L3,N
2.5mm²
AWG 13
55
Connect to CT on the neutral
conductor
2.5mm²
AWG 13
Un-restricted earth fault measuring
(Earth fault CT is fitted in the neutral to
earth link)
54
DO NOT CONNECT
55
Common for CTs connected to
L1,L2,L3
2.5mm²
AWG 13
NOTE:- Take care to ensure correct polarity of the CT primary as shown below. If in
doubt, check with the CT supplier.
CT labelled as
p1, k or K
CT labelled as
p2, l or L
To Supply
To Load
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PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
56
CT Secondary for Bus L1
2.5mm²
AWG 13
Connect to s1 secondary of L1 monitoring CT
57
CT Secondary for Bus L1
2.5mm²
AWG 13
Connect to s2 secondary of L1 monitoring CT
NOTE:- Terminals 59 and 60 are not fitted to the DSE7560 MK1 controller
4.2.6
CONFIGURABLE DIGITAL INPUTS
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
60
Configurable digital input A
0.5mm²
AWG 20
Switch to negative
61
Configurable digital input B
0.5mm²
AWG 20
Switch to negative
62
Configurable digital input C
0.5mm²
AWG 20
Switch to negative
63
Configurable digital input D
0.5mm²
AWG 20
Switch to negative
64
Configurable digital input E
0.5mm²
AWG 20
Switch to negative
65
Configurable digital input F
0.5mm²
AWG 20
Switch to negative
66
Configurable digital input G
0.5mm²
AWG 20
Switch to negative
67
Configurable digital input H
0.5mm²
AWG 20
Switch to negative
68
Configurable digital input I
0.5mm²
AWG 20
Switch to negative
NOTE:- Terminal 69 is not fitted to the DSE7560 MK1 controller.
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4.2.7
PC CONFIGURATION INTERFACE CONNECTOR
8-way connector allows connection to PC via 810 configuration
interface. Module can then be re-configured utilising the 75xx
for Windows™ software.
CAUTION!: This socket must not be used for any other purpose.
4.2.8
EXPANSION INTERFACE CONNECTOR
4-way connector allows connection to the P130 input
expansion, P157 relay expansion module or 545/548 LED
expansion modules.
A maximum of 2 relay or LED expansion modules may be
connected in series to this port.
CAUTION! - Do not connect the 808 configuration interface to this port, as it is not
possible to use the 808 software to configure the 7560MK1 module.
CAUTION!: This socket must not be used for any other purpose.
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4.2.9
RS485 CONNECTOR
PIN No
NOTES
A
Two core screened twisted pair cable.
120Ω impedance suitable for RS485 use.
Recommended cable type - Belden 9841
Max distance 1000m (1km) when using Belden 9841 or direct equivalent.
B
SCR
Location of RS485
connector
Location of RS485 connector
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4.2.10 LED INDICATORS AND LOGO INSERT
USER CONFIGURABLE LED’s
These LEDs can be configured by the user to indicate any one of 100+ different functions based
around the following:-
•
INDICATIONS - Monitoring of a digital input and indicating associated functioning user’s
equipment - Such as Battery Charger On or Louvre Open, etc.
•
WARNINGS and SHUTDOWNS - Specific indication of a particular warning or shutdown
condition, backed up by LCD indication - Such as Low Oil Pressure Shutdown, Low Coolant
level, etc.
•
STATUS INDICATIONS - Indication of specific functions or sequences derived from the
modules operating state - Such as Safety On, Pre-heating, Panel Locked, Generator
Available, etc.
These LEDs are annunciated using a removable insert card. Additionally the module’s logo can be
changed to suit generator manufacturer’s requirements. This can be used for instance to give
custom branding to the module, or even include the service telephone number.
DSE have produced the ‘insert card creator’ software, shipped with the DSE SoftwareCD to ease
the production of text and logo insert cards to suit your application.
Removal and insertion of the LED text insert card
Removal and insertion of the Logo insert card
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4.3 TYPICAL WIRING DIAGRAMS
NOTE:- The LOAD CT is only required on ‘multiple mains’ systems (multiple 7560s
installed in the system).
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4.3.1
SINGLE MAINS, MULTIPLE GENERATORS
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4.3.2
DUAL MAINS, MULTIPLE GENERATORS
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4.3.3
MULTIPLE MAINS, MULTIPLE GENERATORS
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5 OPERATION
5.1 CONTROL
Control of the DSE7560 MK1 module is via push buttons mounted on the front of the module with
STOP/RESET, MANUAL, TEST, AUTO, ALARM MUTE and START functions. For normal
operation, these are the only controls which need to be operated. The smaller push buttons are
used to access further information such as mains voltage or to change the state of the load
switching devices when in manual mode. Details of their operation are provided later in this
document.
The following descriptions detail the sequences followed by a module containing the standard
‘factory configuration’. Always refer to your configuration source for the exact sequences and timers
observed by any particular module in the field.
CAUTION: - The module may instruct an engine start event due to external influences.
Therefore, it is possible for the engine to start at any time without warning. Prior to
performing any maintenance on the system, it is recommended that steps are taken to
remove the battery and isolate supplies.
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5.1.1
DESCRIPTION OF CONTROLS
The following section details the function and meaning of the various controls on the module.
Menu navigation
buttons
Four configurable
LEDs
Select Stop
mode
Select Manual
mode
Select Auto
mode
Mute alarm /
Lamp test
Start engine(s)
(when in
manual or
Testmode)
Transfer to
Bus(manual
mode only)
Transfer to
mains (manual
mode only)
Main status and
instrumentation display
Bus available
LED
Mains on load
LED
Select Test
mode
Bus on load
LED
Mains available
LED
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6 CONTROL PUSH-BUTTONS
STOP/RESET
This push-button places the module into its Stop/reset mode. This will
clear any alarm conditions for which the triggering criteria have been
removed. If the engine is running and this push-button is operated, the
module will automatically instruct the generator contactor/breaker to
unload the generator. The fuel supply will be removed and engine will be
brought to a standstill. Should a remote start signal be present while
operating in the mode, a remote start will not occur.
MANUAL
This push-button is used to allow manual control of the generator functions.
Entering this mode from another mode will initially not cause any change of
operating state, but allows further push-buttons to be used to control the
generator operation. For example, once in Manual mode it is possible to
start the engine by using the ‘START’ push-button. If the engine is running,
off-load in the Manual mode and a remote start signal becomes present,
the module will automatically instruct the generator contactor/breaker
device to place the generator on load. Should the remote start signal
then be removed the generator will remain on load until either the
‘STOP/RESET’ or ‘AUTO’ push-buttons are operated.
START
This push-button is used to start the engine. The module must first be
placed in the ‘MANUAL’ mode of operation. The ‘START’ button should
then be operated. The engine will then automatically attempt to start.
Should it fail on the first attempt it will re-try until either the engine fires or
the pre-set number of attempts have been made. To stop the engine the
‘STOP/RESET’ button should be operated. It is also possible to configure
the module such that the start push-button must be held to maintain engine
cranking.
NOTE:- Different modes of operation are possible - Please refer
to your configuration source for details.
AUTO
This push-button places the module into its ‘Automatic’ mode. This mode
allows the module to control the function of the generator automatically.
The module will monitor the remote start input and once a start condition
is signalled the set will be automatically started and placed on load. If the
starting signal is removed, the module will automatically transfer the load
from the generator and shut the set down observing the stop delay timer
and cooling timer as necessary. The module will then await the next start
event. For further details, please see the more detailed description of
‘Auto Operation’ earlier in this manual.
ALARM MUTE
This push-button is used to silence the internal alarm sounder and also any
external sounder devices fed from the audible alarm output. Any further
alarm conditions will reactivate the sounder. Once the alarm has been
muted and investigated, it may then be cleared.
Refer to the ‘Protections’ section of this manual for details.
When the Alarm Mute is operated a Lamp test function will also be
implemented and all LED indicators will be illuminated.
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CLOSE MAINS
This push button is used to control the closure of the mains load switching
device and has two modes of operation :
1. Synchronising is NOT enabled. Pressing this button when the mains is
available off load and in MANUAL mode, the bus load switch is opened
and the mains load switch is closed. Further presses of this button will
have no effect.
2. Synchronising is enabled. Pressing this button when the mains is
available and in MANUAL mode, the 7510MK1 controller, will volts
match and synchronise with the Bus. The mains load switch is then
closed in parallel with the Bus.
NOTE:- This button is only active in MANUAL mode.
NOTE:- If the bus is live when the manual button is pressed,
synchronising will take place before the load switch is closed.
mode.
CLOSE GENERATOR
This push button is used to control the closure of the generator load
switching device and has two modes of operation :
3. Synchronising is NOT enabled. Pressing this button when the
generator is running off load and in MANUAL mode, the generator load
switch is closed. Further presses of this button will have no effect.
4. Synchronising is enabled. Pressing this button when the generator is
running and in MANUAL mode, the 7510MK1 controller, will volts
match and synchronise with the Bus. The generator load switch is then
closed in parallel with the Bus.
NOTE:- This button is only active in MANUAL mode.
NOTE:- If the bus is live when the manual button is pressed,
synchronising will take place before the load switch is closed.
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6.1 MANUAL OPERATION
Operation
Detail
To initiate a start sequence, press the ‘Manual’
push-button.
The LED above the manual button will illuminate
and the LCD display will then indicate:
Status
Mains on load
Manual mode
Then, press the START push-button. The 7560
will issue a start command to all connected 7510
controllers.
NOTE:- If running on load demand option is set to “Start sets sequentially” then one set
will start at a time as load levels rise.
If configured to “start all sets initially” then all sets will start at the same time.
The 7560 will display:
Any available 7510 in auto mode will be issued with a start
signal.
Please refer to the 7510 operating manual for further details of
the start sequence
Status
Start request
Manual mode
Once the Minimum number of sets (set using 75xx software)
have synchronised onto the bus, the 7560 will display:
Status
Mains on load
Manual mode
Pressing the transfer to bus/open mains button
will
synchronise the bus to the mains. The 7560 will display:
Status
Synchronise bus
Manual mode
Once the bus has synchronised to the mains, the bus will close
and power will be ramped onto the bus (generators). The 7560
will display:
Status
Ramp onto bus
10% kW 12% kVAr
Manual mode
Once the bus power / mains power level has been reached
(configured using 75xx software) the 7560 will display:
Status
Continuous paralleling
Manual Mode
The system will remain in this mode until further action is taken.
Pressing the transfer to bus/open mains button
again will
transfer the remaining load onto the bus (generators). The 7560
will display:
Status
Ramp onto bus
10% kW 12% kVAr
Manual mode
Once the mains loading has reached 0 kW the mains will open
and the 7560 will display:
Status
Bus on load
Manual mode
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The system will remain in this mode until further action is taken.
Pressing the transfer to mains/open bus button
once will synchronise the bus to the mains.
The 7560 will display:
Status
Synchronise bus
Manual mode
Once the bus has synchronised to the mains, the
mains will close and power will be ramped off the
bus (generators). The 7560 will display:
Status
Ramp off bus
10% kW 12% kVAr
Manual mode
Once the bus power / mains power level has been
reached (configured using 75xx software) the
7560 will display:
Status
Continuous paralleling
Manual Mode
The system will remain in this mode until further action is taken.
Operation
Detail
Pressing the transfer to mains/open bus button
again will transfer the remaining load onto the
mains. The 7560 will display:
Status
Ramp off bus
10% kW 12% kVAr
Manual mode
Once the bus loading has reached 0kW the bus
will open and the 7560 will display:
Status
Mains on load
Manual mode
Pressing the red stop button will issue a stop to all
7510s on the system
The LED above the button will illuminate and the
LCD display will briefly indicate:
Status
Mains on load
Stop mode
Any 7510 running in auto mode will then display:
Please refer to the 7510 operating manual for
further details of the 7510 stop sequence
RETURN DELAY
00:50
NOTE:- Pressing the STOP/RESET button
at any time will transfer the load to the
mains and stop the generators.
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6.2 AUTOMATIC OPERATION
6.2.1
STARTING
Operation
Detail
If the module is placed in AUTO mode, it will monitor the
incoming mains supply and remote start signal (if
configured).
The LCD display will indicate :
Status
Mains on load
Auto mode
The call to start can come from a number of sources (if configured) :
•
Mains supply failure.
•
Remote start input (either on load, on load demand or in island mode)
Once a call to start is received, the module will initiate its
‘Start Delay’ timer This is used to ensure that the start
event is required and not just a momentary condition.
The 7560 will display:
Status
Start delay
00:05
Auto mode
Once this timer has expired, any available 7510 in auto
mode will be issued with a start signal, and will display:
Please refer to the 7510 operating manual for further
details of the 7510 start sequence.
START DELAY
00:05
The 7560 will display:
Status
Start request
Auto mode
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6.2.2
CLOSING THE BUS BREAKER
MAINS FAILED
As the mains supply has failed, there is no requirement
for synchronising. However, the 7560 will check to
ensure that the load bus is ‘dead’ before closing the
generator bus breaker onto the load.
This check is made using the internal ‘dead bus relay’
and the functionality of the Multiset Communications Link
(MSC).
Status
Continuous paralleling
Auto mode
Should the mains supply return, the module will first
initiate a return timer to ensure that it is safe to stop the
generators.
The 7560 will display:
Status
Return delay
00:05
Auto mode
NOTE: - Should the mains fail within this time, the module will continue to run the generators on
load and ignore the fluctuating “call to stop” until such a time as it remains inactive for the duration of
the stop delay timer.
MAINS AVAILABLE
If the mains supply is available when the sets are called to take load, the generator bus must first
be synchronised with the mains supply. This will occur if:
•
The sets are started by remote start (if configured).
•
The sets are started due to high mains load (if configured to start upon this event)
Once the Minimum number of sets (set using 75xx
software) have synchronised onto the bus, the 7560 will
display:
Status
Synchronise to bus
Auto mode
Once the bus has synchronised to the mains, the bus
load switching device will be closed and power will be
ramped onto the bus (generators). The 7560 will display:
Status
Ramp onto bus
10% kW 12% kVAr
Auto mode
Once the bus power / mains power level has been
reached (configured using 75xx software) the 7560 will
display:
Status
Continuous paralleling
Auto mode
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6.2.3
RUNNING IN PARALLEL
RUNNING IN LOAD DEMAND
If the module is configured for running in load demand, sets will be started and stopped
automatically on changing load levels.
NOTE: - If the load is reduced to zero (0kW) then the genset(s) with the highest priority
will remain running.
REMOTE START IN ISLAND MODE
If the module is configured for remote start in island
mode, the load is then ramped fully onto the generators.
The 7560 will display:
Status
Ramp onto bus
76% kW 80% kVAr
Auto mode
Once the mains loading has reached 0kW, the bus load
switch will be opened and the 7560 will display:
Status
Bus on load
Auto mode
Should the remote start signal be deactivated, the
module will first initiate a return timer to ensure that it is
not a transient condition. The 7560 will display:
Status
Return delay
00:05
Auto mode
NOTE: - Should a call to start become active again, the module will continue to run the
generators on load and ignore the fluctuating “call to stop” until such a time as it remains inactive for
the duration of the return delay timer.
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6.2.4
RE-TRANSFER TO MAINS
Once the return delay has expired, the bus is
synchronised to the mains.
Status
Synchronise to Mains
Auto mode
The load is then ramped back onto the mains. The 7560
will display:
Status
Ramp off bus
10% kW 12% kVAr
Auto mode
Once the bus loading has reached 0kW, the bus load
switch will be opened and the 7560 will display :
Status
Mains on load
Auto mode
Any 7510 running in Auto mode will be issued a stop
command and will display :
Please refer to the 7510 operator manual for details on
the stopping sequence.
Return delay
00:05
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6.3 TEST OPERATION
Operation
Detail
To place the module into ‘TEST’ mode press ‘TEST’
PUSHBUTTON. This mode is used to simulate an
automatic start and will start the generators to run in
continuous parallel mode.
The LCD display will indicate
Status
Mains on load
Test mode
The LED above the button will illuminate and the module
will start its ‘Start Delay’ timer This is used to ensure that
the start event is required and not just a momentary
transient signal. The 7560 will display:
Status
Start delay
00:05
Test mode
Once this timer has expired, any available 7510 in auto
mode will be issued with a start signal, and will display:
Please refer to the 7510 operating manual for further
details of the 7510 start sequence.
START DELAY
00:05
The 7560 will display:
Status
Start request
Test mode
Once the Minimum number of sets (set using 75xx
software) have synchronised onto the bus, the 7560 will
display:
Status
Synchronise to bus
Test mode
Once the bus has synchronised to the mains, the bus will
close and power will be ramped onto the bus
(generators). The 7560 will display:
Status
Ramp onto bus
10% kW 12% kVAr
Test mode
Once the bus power / mains power level has been
reached (configured using 75xx software) the 7560 will
display:
Status
Continuous paralleling
Test mode
The system will remain in this mode until further action is taken.
If the module is placed in ‘AUTO’ mode by pressing the
‘AUTO’ PUSHBUTTON, it will monitor the auxiliary
inputs for a ‘REMOTE START’ signal. In addition, the
module will monitor the incoming AC mains supply.
For further details on operation in AUTO mode, see the
relevant section elsewhere in this document.
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6.4 7560 MULTIPLE MAINS OPERATION
In a multiple mains system, the generator sets are controlled by more than one 7560 mains
controller and used to provide power to multiple loads.
Should one or more of the mains supplies fail, the generators (controlled by DSE 7510 modules) are
started and supply power to the load. If more than one mains supply has failed, the loads are
transferred to the generators one by one.
The 7510 controllers share power equally on a percentage basis with the other generators in the
system.
•
If one mains supply returns, the 7560 connected to that mains supply will synchronise the
generators with the mains and affect a no-break changeover. The generators continue to
supply power to the remaining loads.
•
If more than one mains supply returns at the same time, then the 7560 with the highest
priority will take control of the generators and affect a no-break changeover back to the
mains supply. The remaining 7560s will operate in priority order providing no-break returns
back to their respective mains supplies.
If the generators are ‘peak-lopping’ with one mains supply, and another mains supply fails,
dependent upon module configuration, the generators will either:
•
Continue to peak-lop as before. The load with the mains supply that has failed will remain
without power.
•
Cease peak-lopping and backup the failed mains supply.
NOTE: - At no time are the generators paralleled with more than one mains supply at a
time. Paralleling with mains supplies is always taken in turn.
6.4.1
7560 PRIORITY
Where more than one 7560 controller is present, they must determine which one is to take control
over the generators. The following table shows how this priority decision is made.
Priority
Condition
HIGHEST
Auto mode, mains failed, bus not on load
Auto mode, mains has returned
Auto mode, mains failed, bus on load
Auto mode, mains available, requesting control over generators
Test on load mode
Manual mode, sets running or about to run (start button has been pressed)
Auto mode, mains available
Manual mode, sets not running (waiting for start button to be pressed)
Stop mode
LOWEST
Where two or more 7560 controllers have the same conditions in the table above, the ‘Set Priority’
configuration setting comes into effect. If two or more 7560 controllers have the same priority
number, an electrical trip alarm is generated - Priority Selection Error - and the priority numbers
must be changed before the system will operate.
NOTE: - If a 7560 requests to control the generators (either automatically or manually) it
will not be allowed to do so until higher priority 7560 controllers have relinquished control
over them.
For typical one line diagram of a multi-mains system, see the section entitled “Typical system
schematics” elsewhere in this manual.
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6.4.2
7560 LOAD CT
The 7560 controller incorporates an optional (but recommended) extra CT measuring the size of the
load. Used in conjunction with the CTs measuring the amount of load on the mains supply, this CT
allows the 7560 to determine what portion of the load is being supplied by the generators.
This allows the 7560 to remove the sets from this load when there is little or no current passing
through the bus breaker. For example: When the generators are ramping off load.
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7 PROTECTIONS
The module will indicate that an alarm has occurred in several ways;
The Audible Alarm will sound. This can be silenced by pressing the ‘Mute’ button.
The LCD display will jump from the ‘Status page’ to display the Alarm.
The LCD will then display :
Followed by the appropriate alarm text.
ALARM
Bus failed to open
If no alarms are present, the LCD will display the
following message and will then return to the ‘Status
Display’ page.
No alarm present
The LCD will display multiple alarms E.g. “Bus fail to open”, “Fail to synchronise” and “Mains fail to
close” alarms have been triggered. These will automatically scroll round in the order that they
occurred.
It is also possible to scroll to display the different alarms using the scroll buttons
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7.1 WARNINGS
Warnings are non-critical alarm conditions and do not affect the operation of the generator system,
they serve to draw the operators attention to an undesirable condition.
BATTERY LOW VOLTAGE, if the module detects that the systems DC supply has fallen below the
low volts setting level , the module will display ‘WARNING LOW BATTERY VOLTAGE’ on the LCD.
The COMMON ALARM LED will illuminate.
BATTERY HIGH VOLTAGE, if the module detects that the system DC supply has risen above the
high volts setting level, the module will display ‘WARNING HIGH BATTERY VOLTAGE’ on the LCD.
The COMMON ALARM LED will illuminate.
FAILED TO SYNCHRONISE, if the module cannot synchronise within the time allowed by the
Synchronising timer a warning is initiated. The LCD will indicate ‘FAILED TO SYNC’ and the
COMMON ALARM LED will illuminate.
AUXILIARY INPUTS, if an auxiliary input has been configured as a warning the appropriate LCD
message will be displayed and the COMMON ALARM LED will illuminate.
MAINS FAILED TO CLOSE, if the mains breaker fails to close, a warning is initiated. The LCD will
indicate ‘MAINS FAILED TO CLOSE’ and the COMMON ALARM LED will illuminate.
MAINS FAILED TO OPEN, if the mains breaker fails to open, a warning is initiated. The LCD will
indicate ‘MAINS FAILED TO OPEN’ and the COMMON ALARM LED will illuminate.
INSUFFICIENT CAPACITY, if the generators reach full load when they are in parallel with the mains
(utility). The LCD will indicate ‘INSUFFICIENT CAPACITY’ and the COMMON ALARM LED will
illuminate.
MINIMUM SETS NOT REACHED, if the minimum number of sets on the bus has not been reached
prior to closing the generator bus load switching device, the LCD will indicate ‘MINIMUM SETS NOT
REACHED’ and the COMMON ALARM LED will illuminate.
MSC DATA ERROR, if the data on the MSC link is corrupt, then the LCD will indicate ‘MSC DATA
ERROR’ and the COMMON ALARM LED will illuminate.
MSC ID ERROR, if more than one 7560 module is connected to the same MSC link, the LCD will
indicate ‘MSC ID ERROR’ and the COMMON ALARM LED will illuminate.
MSC FAILURE, if the link breaks, the LCD will indicate ‘MSC FAILURE’ and the COMMON ALARM
LED will illuminate.
BUS FAILED TO CLOSE, if the bus breaker fails to close, the LCD will indicate ‘BUS FAILED TO
CLOSE’ and the COMMON ALARM LED will flash.
BUS FAILED TO OPEN, if the bus breaker fails to open, the LCD will indicate ‘BUS FAILED TO
OPEN’ and the COMMON ALARM LED will flash.
MAINS REVERSE POWER, if the 7560 detects that the bus is exporting more than the configured
limit, the LCD will indicate ‘MAINS REVERSE POWER’ and the COMMON ALARM LED will flash.
MSC TOO FEW SETS, if the number of modules on the MSC link falls below the Minimum
modules on Multiset comms link, the LCD will indicate ‘MSC TOO FEW SETS’ and the
COMMON ALARM LED will illuminate.
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MSC ALARMS INHIBITED, if an input has been configured as ‘MSC ALARMS INHIBIT’ and is
active, the LCD will indicate ‘MSC ALARMS INHIBIT’ and the COMMON ALARM LED will
illuminate.
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7.2 ELECTRICAL TRIPS
Electrical trips are latching, and open the bus breaker. The alarm must be accepted and cleared,
and the fault removed to reset the module.
MAINS REVERSE POWER, if the module detects a mains reverse power in excess of the pre-set
trip level and time delay, an electrical trip is initiated. The LCD will indicate ‘MAINS REVERSE
POWER’ and the COMMON ALARM LED will flash.
AUXILIARY INPUTS, if an auxiliary input has been configured as an Electrical Trip the appropriate
LCD message will be displayed and the COMMON ALARM LED will flash.
MINIMUM SETS NOT REACHED, if the minimum number of sets are not synchronised on to the
bus, prior to the common bus breaker closing, an electrical trip is initiated. The LCD will indicate
‘MIN. SETS NOT REACHED’ and the COMMON ALARM LED will flash.
BUS FAILED TO CLOSE, if the bus breaker fails to close, an electrical trip is initiated. The LCD will
indicate ‘BUS FAILED TO CLOSE’ and the COMMON ALARM LED will flash.
BUS FAILED TO OPEN, if the bus breaker fails to open, an electrical trip is initiated. The LCD will
indicate ‘BUS FAILED TO OPEN’ and the COMMON ALARM LED will flash.
INSUFFICIENT CAPACITY, if the module is configured for Mains CT and the load levels are so high
that the generator is unable to supply enough load to maintain the configured mains level, insufficient
capacity will be displayed and the COMMON ALARM LED will flash. The generator will provide
100% of its capacity and the loading on the mains will increase.
MAINS REVERSE POWER, if the module is configured for Mains CT and the amount of power
being exported to the mains supply is above the setting for the ‘export power level alarm’ then mains
reverse power is displayed and the COMMON ALARM LED will flash.
OLD UNITS ON BUS, if the module detects that there is one or more 7560 controllers connected to
the MSC link that are not compatible with the module (for example earlier versions not supporting
multiple mains supplies), Old units on bus is displayed and the COMMON ALARM LED will flash.
FAILED TO SYNCHRONISE, if the module cannot synchronise within the time allowed by the
Synchronising timer a warning is initiated. The LCD will indicate ‘FAILED TO SYNC’ and the
COMMON ALARM LED will illuminate.
MSC TOO FEW SETS, if the 7560 detects that the number of generator sets connected module
cannot synchronise within the time allowed by the Synchronising timer a warning is initiated. The
LCD will indicate ‘FAILED TO SYNC’ and the COMMON ALARM LED will illuminate.
PRIORITY SELECTION ERROR, if the 7560 detects that two or more 7560 controllers share the
same priority number, an electrical trip is initiated. The LCD will indicate ‘PRIORITY SELECTION
ERROR’ and the COMMON ALARM LED will illuminate.
BUS PHASE SEQUENCE WRONG, if the module detects a bus phase rotation error, an electrical
trip is initiated. The LCD will indicate ‘BUS PHASE SEQ WRONG’ and the COMMON ALARM LED
will illuminate.
MAINS PHASE SEQUENCE WRONG, if the module detects a mains phase rotation error, an
electrical trip is initiated is initiated. The LCD will indicate ‘MAINS PHASE SEQ WRONG’ and the
COMMON ALARM LED will illuminate.
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7.3 ROCOF / VECTOR SHIFT
When configured to run in parallel with the mains (utility) supply, the module monitors for ROCOF /
Vector shift trips according to the module’s configuration settings. This is included within the module
and will detect failure of the mains supply during parallel operation with the generator.
NOTE:- This protection operates only when in parallel with the mains supply and is
disabled at all other times.
Should either of these alarms operate, the module will perform either a controlled shutdown
(electrical trip) of the generator or will instigate the mains failure function. This operation must be
manually reset :
1) Press
button. The engine will stop if it is still running and the alarm is cleared.
2) Activate digital input configured to “Clear ROCOF/Vector shift” if this has been provided.
3) Press
and
button together and hold for 5 seconds. The ROCOF/Vector shift
instrument is displayed and all ‘peak hold’ values are reset, clearing the ROCOF/Vector shift
alarm.
For details on activating and configuring the ROCOF/Vector shift protection you are referred to the
75xx for Windows configuration software manual.
7.3.1
MAINS DECOUPLING TEST MODE
To aid the testing of the mains decoupling features in the controller, a special test mode is included.
This is activated by placing the module into STOP mode and enabling the ‘test mode’ in the module’s
front panel ‘running editor’, described elsewhere in this document.
This allows a ‘one shot’ test of the mains decoupling protection, enabling the Test Engineer to inject
the necessary test signals into the DSE control and timing the reaction from application of the signal
to activation of a DSE output configured to ‘combined mains decoupling’.
The actual testing of mains decoupling must be left to experienced engineers and is outside the
scope of DSE support.
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7.3.2
SYNCHROSCOPE OPERATION
Hz +2.9
V +0.2
Initial stage of Synchronising display will only show
the difference between the Mains Supply and the
Generator Output. Here the display is showing a
frequency mismatch of +2.9Hz - The genset
frequency is too high (indicated by the arrow) and
should be reduced. The voltage is +0.2 volts high, but
is within the limits set for synchronising.
Hz +0.9
V +0.2
Once the difference between the Mains and the
Generator
frequency
has
been
reduced,
the
‘Synchroscope’ display will become active. The
moving bar will roll from one side to the other showing
the phase of the two supplies. The area in the centre
of the scope indicates the set limits for synchronising
to occur.
Hz -0.2
V +0.2
Synchronising will only occur when both the
Frequency and the voltage differences are within
acceptable limits - Indicated by ‘Tick’ marks on the
top of the display. Then the moving bar display will
show the phase difference. The engine speed will be
automatically adjusted, altering the phase, until the
moving bar enters the centre of the scope.
Hz -0.2
V +0.2
Once the Mains and generator supplies are
synchronised, the module will initiate a breaker close
signal to load the generator onto the Mains. Should
synchronism be broken the moving bar will pass out
of the synchronising window.
Note: - If the module display is showing the status page when the synchronising
process begins, the module will automatically switch to the Synchroscope page. The ramp
progress will also be displayed on the screen once paralleling has taken place.
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7.4 COMPLETE INSTRUMENTATION LIST
7.4.1
BASIC INSTRUMENTATION
Bus volts (L1-N, L2-N, L3-N)
Bus volts (L1-L2, L2-L3, L3-L1)
Bus Hz
}
These values are calculated by reading the information from the modules via the
MultiSet Communications (MSC) link
Bus kW
Bus kVAr
Bus phase sequence
Load Amps, pf
Load kW, kVA, kVAr
Mains Volts (L1-N, L2-N, L3-N)
Mains Volts (L1-L2, L2-L3, L3-L1)
Mains Hz
Mains Amps
Mains kW
Mains kVA
Mains pf
Mains kVAr
Mains kWh
Mains kVAh
Mains kVArh
Mains phase sequence
ROCOF / Vector shift
Synchroscope
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7.5 THE FRONT PANEL CONFIGURATION EDITOR
This configuration mode allows the operator limited customising of the way the module operates.
7.5.1
ACCESSING THE FRONT PANEL CONFIGURATION EDITOR.
•
Press the Stop/Reset
and Info
buttons simultaneously.
•
If a module security PIN has been set, the PIN number request is then shown :
•
Press
(up) or
(down) to adjust it to the correct value.
•
Press
(right) when the first digit is correctly entered. The digit you have just entered will now
show ‘#’ for security.
•
Repeat this process for the other digits of the PIN number. You can press
(left) if you need to
move back to adjust one of the previous digits.
•
When
is pressed after editing the final PIN digit, the PIN is checked for validity. If the number is not
correct, you must re-enter the PIN.
•
If the PIN has been successfully entered (or the module PIN has not been
enabled), the editor is displayed :
EDITING A PARAMETER
•
Enter the editor as described above.
•
Press the left or right buttons to cycle to the section you wish to view/change.
•
To edit the parameter, press
to enter edit mode. The parameter begins to flash to indicate that you
are editing the value.
•
Press the up or down buttons to change the parameter to the required value.
•
Press
to save the value. The parameter ceases flashing to indicate that it has been saved.
•
To exit the editor at any time, press the
button.
NOTE: When the editor is visible, it is automatically exited after 5 minutes of inactivity to ensure security.
NOTE: The PIN number is automatically reset when the editor is exited (manually or automatically) to
ensure security.
NOTE: More comprehensive module configuration is possible using the 75xx series PC configuration
software. Please contact us for further details
NOTE: The contents of the tables overleaf may differ depending on the actual module configuration.
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7.5.2
LIST OF ADJUSTABLE PARAMETERS IN ‘MAIN CONFIGURATION EDITOR’
Front Panel Configuration Editor (Factory default settings are shown in bold italicised text)
Section Parameter as shown on
Values
Timers
Mains Transient Delay
0 -10s (2s)
Start Delay
0– 60m (5s)
Transfer Delay
0– 10s (0.7s)
Return Delay
0– 60m (30sa0
Low battery Delay
0– 10m (1m)
High battery Delay
0– 10m (1m)`
Mains
Mains Under Voltage Alarm
50V-360V ph-N (184V)
(184V)
(184V)
(184V)
Mains Over Voltage Alarm
50V-360V ph-N (276V)
(276V)
(276V)
(276V)
Mains Under Frequency
0Hz-75Hz (45Hz)
(45Hz)
(45Hz)
(45Hz)
Mains Over Frequency
0Hz-75Hz (55Hz)
(55Hz)
(55Hz)
(55Hz)
System
Plant Battery Under Volt Alarm
0-40V (10V)
(10V)
(10V)
(10V)
Plant Battery Over Alarm
0-40V (30V)
(30V)
(30V)
(30V)
Misc
Language
English, Other
Alternative Frequency
Enable Disable
Disable
Disable
Disable
Alternative Voltage
Enable Disable
Disable
Disable
Disable
AC System
3 phase 4 wire
3 phase 4 wire
3 phase 4 wire
3 phase 4 wire
Single phase 2 Wire
3 phase 3 wire
2 phase 3 wire L1 & L2
3 phase 4 wire ED
2 phase 3 wire L1 & L3
Contrast
� l �
Date and Time
dd mmm yyyy hh:mm
Auto Scroll Time
0-10s (2s)
(2s)
(2s)
(2s)
Mains CT Primary Rating
5A- 6000A (600A)
(600A)
(600A)
(600A)
Mains CT Secondary Rating
1A, 5A (5A)
(5A)
(5A)
(5A)
Load Ramp Rate
0.1%-100% (2.0%)
2.0%)
2.0%)
2.0%)
(% per sec)
NOTE:- More comprehensive module configuration is possible using the 75xx series PC
configuration software in conjunction with the P810 PC interface. Please contact us for
further details.
NOTE:- Languages are subject to change as the modules are updated. Please contact
us for the list of latest supported languages.
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7.6 RUNNING EDITOR
7.6.1
ACCESSING THE ‘RUNNING’ CONFIGURATION EDITOR
•
The ‘running’ editor can be entered while the engine is running. All protections remain active if the engine is running while
the running editor is entered.
•
Press and hold the
button to enter the running editor.
EDITING A PARAMETER
•
Enter the editor as described above.
•
Press the left
or right
buttons to cycle to the section you wish to view/change.
•
Press the up
or down
buttons to change the parameter to the required value.
•
To save paremeters scroll to `save changes and exit followed by the down
buttton
•
To cancel changes scroll to `Abandon changes and exit followed by the down
button
ADJUSTABLE PARAMETERS (Running editor)
Running Editor
Section Parameter as shown on display
Factory Settings
DISPLAY Contrast
� l �
Language
English
Load power factor
%
Load parallel power
%
Enable commissioning screens
No
Voltage adjust
(manual mode only engine running bus breaker open)
Raise Steady Lower
Frequency adjust
(manual mode only engine running bus breaker open)
Raise Steady Lower
Enable mains decoupling
No
Abandon changes and exit
Save changes and exit
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8 COMMISSIONING
8.1.1
PRE-COMMISSIONING
Before the system is started, it is recommended that the following checks are made:-
6.1. The unit is adequately cooled and all the wiring to the module is of a standard and rating
compatible with the system.
6.2. The unit DC supply is fused, connected to the DC supply and that it is of the correct polarity.
6.1. To check the start cycle operation, fully test all 7510s that are on the system, ensuring that
the breakers will only close when it is in synchronism with the bus or a dead bus is present.
After a visual inspection to ensure it is safe to proceed, make sure that the 7510s on the
system are in Auto mode. Press the “MANUAL” pushbutton, and then press the ‘START’
pushbutton for a short time. The unit will issue a start to all the 7510s that are available and in
Auto mode.
6.2. The first generator to start will close onto a dead bus; the remainder will synchronise and
close as they reach running conditions. The generators will then run in parallel sharing zero
KW and zero VAr
6.3. Select “AUTO” on the front panel, the system will run for the pre-set return delay, all the
generator breakers will then open and all generators will cool down for their pre-set cooling
time before stopping. The 7560 will stay in the standby mode. If not, check that there is no
signal present on the Remote Start input, and that the mains is within acceptable parameters.
6.4. Initiate an automatic start by supplying the remote start signal. The start sequence will
commence and once the pre set number of generators is running in parallel, the 7560 will
synchronise the bus to the mains and the Bus breaker will be closed. The load will be ramped
on to the Bus until the pre-set KW and KVAr levels have been reached.
6.5. Remove the remote start signal, the return sequence will start. After the pre-set return time
has elapsed, the load will be ramped off the Bus and the Bus breaker will be opened once the
Bus load has reached zero. The generators will then run for the pre-set cooling down period,
and stop.
6.6. Now the mains fail test can be carried out. Fail the mains and the system should start, the
mains breaker will open and then the Bus breaker will close.
6.7. When the mains returns, the Bus will be synchronised to the mains after the return time has
expired and the Bus breaker will close. The Bus power will be ramped to the pre-set level,
then to zero. Once the Bus power is down to zero the Bus breaker will open and the
generators will be stopped after their cooling time has expired.
CAUTION!:- Before any breaker is closed onto a live system for the first time, extensive
checks must be carried out to make sure that the breaker will not close out of synch.
6.8. If despite repeated checking of the connections between the 7560 and the customer’s system,
satisfactory operation cannot be achieved, then the customer is requested to contact the
factory for further advice on:-
INTERNATIONAL TEL: 44 (0) 1723 890099
INTERNATIONAL FAX: 44 (0) 1723 893303
LO-CALL (UK only) Tel. 0845 260 8900
LO-CALL (UK only) Fax. 0845 260 8901
E-mail: [email protected]
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8.2 COMMISSIONING SCREENS
Commissioning screens are available to both aid the commissioning process and also to give
additional information about the synchronising and load sharing process.
These screens can be enabled and disabled in the module’s display editor.
8.2.1
SCREEN 1
L-N
Sets load
Ramp
0V
0A
0.0%
kW
KVAr
kW
kVAr
0
0
0.0%
0.0%
Average L-N Voltage and total kW
Load on the set(s) and total kVAr
Ramp level and % of full load kW
% of full load kVAr
8.2.2
SCREEN 2
B kW
B Tgt
B Tgt
Sets load
0.0%
0.0%
0.0%
0
kVAr
kW
kVAr
0.0%
0.0%
5.0%
Bus load levels (kW / kVAr)
Target and actual % of full load buskW
Target and actual % of full load bus kVAr
Load on the set(s)
8.2.3
SCREEN 3
M Tgt
M Tgt
Pf
L-N
0%
0%
0.00
0V
kW
kVAr
Sets load
Amps
0%
0%
0
0A
Target and actual % of full load mains kW
Target and actual % of full load mains kVAr
Mains power factor Load on the set(s)
Mains average voltage and maximum amps
NOTE:- Some of the items may be removed from the commissioning screens if they are
not applicable to the module configuration.
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9 FAULT FINDING
SYMPTOM
POSSIBLE REMEDY
Unit is inoperative
Check the battery and wiring to the unit. Check the DC
supply. Check the DC fuse.
Unit shuts down
Check DC supply voltage is not above 35 Volts or below 9
Volts when the module is operating. Run the system
through a complete test and check the voltage remains
within these limits consistently.
Check the operating temperature is not above 70°C. Check
the DC fuse.
Warning fault operates
Check relevant switch and wiring of fault indicated on LCD
display. Check configuration of input.
Continuous starting of generators
when in AUTO
Check that there is no signal present on the “Remote Start”
input. Check configured polarity is correct. Check that the
mains supply is within limits and load level on the mains is
not above the configured level for mains “import/export”.
NOTE: - The above fault finding is provided as a guide check-list only. As it is possible
for the module to be configured to provide a wide range of different features always, refer to
the source of your module configuration if in doubt.
There are several methods of output expansion available for the 75xxMK1 range of modules: -
RELAY OUTPUT EXPANSION (157)
An expansion module is available, which connects to the configuration socket, and enables the
75xxMK1 to use eight additional relays, providing Volt-free contacts for customer connection. A
maximum of two of these units can be used give 16 independent volt-free contacts.
The 157’s need to be identified as module ‘A’ and module ‘B’
Refer to technical data sheet on the 157 relay module for further details.
LED OUTPUT EXPANSION (548)
An expansion module is available, which connects to the configuration socket, and enables the
75xxMK1 to use the eight additional LED’s on the 548 module, providing remote LED’s indication. A
maximum of two of these units can be used give 16 independent remote LED’s.
The 548’s need to be identified as module ‘A’ and module ‘B’
Refer to technical data sheet on the 548 LED modules for further details.
It is possible to use a mix of 157 and 548 modules to give both relay and LED expansion if required.
9.1.2
INPUT EXPANSION (P130/P540/P541)
It is possible to increase the number of monitored inputs available by utilising either:
� DSE P130 input expansion.
� 540 / 541 Protection Expansion/Annunciator.
Please refer to the relevant product documentation for further details.
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9.2 COMMUNICATIONS OPTION
9.2.1
DESCRIPTION
The 75xx series configuration software allows the 7560MK1 controller to communicate with a PC.
The computer can be connected to the module either directly, or via an RS485 link**.
The operator is then able to remotely control the module, starting or stopping the generator,
selecting operating modes, etc. The various operating parameters (such as output volts, oil
pressure, etc.) on the remote generator can also be viewed.
The information contained in this manual should be read in conjunction with the appropriate module
documentation. This manual only details the operation of the communications software and how it
should be used. The operation of the module is detailed in its own relevant manual.
9.2.2
CONTROLLER TO PC (DIRECT) CONNECTION
To connect a 7560MK1 to a modem the following items are required: -
• 7560MK1 Module75xx series configuration software (Supplied
on DSE software CD).
• P810 interface (USB or RS485 as required)
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9.2.3
CONTROLLER TO ETHERNET CONNECTION
To connect a 7560MK1 to the Ethernet the following items are required: -
• 7510MK1 Module (1 to 6 DSE7510 controllers are supported and up to 2 DSE7560
controllers)
• 75xx series configuration software
• DSE850 multiset Ethernet module
Sample screenshot of 4 x DSE7510 and 1 x DSE7560 controllers
RS485 Cable
Ethernet
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9.2.4
RS485 LINK TO CONTROLLER
The RS485 enabled 7560MK1 modules are able to communicate with a PC or other RS485 enabled
device over a standard RS485 connection. Typical uses of RS485 are:
•
Direct connection to a remote PC running the Link5000 software. RS485 is capable of
communication over a distance of 1.2km where suitable 120Ω RS485 cable is installed.
•
Connection to a building management to allow mains, generator and engine parameters/alarm
conditions to be displayed along with information from other devices (air conditioning, fire alarm
system etc).
NOTE: - The RS485 system will comprise of one MODBUS master (typically a PC) and
up to 31 MODBUS slaves. The 7560MK1 modules are always MODBUS slave devices. To
ensure correct operation a suitable 120ΩΩΩΩ terminal resistor must be fitted to each end of the
RS485 connection bus.
Caution! - The A and B lines of the RS485 network should be terminated at each end
with a 120ΩΩΩΩ resistor.
Some RS485 devices (PC cards in particular) are already fitted with a terminating resistor.
However if they are not installed as an ‘end of line’ device then such terminating resistors
must be removed. Other RS485 devices may be fitted with a ‘switchable’ resistor, again this
must be switched out if the device is not installed as an ‘end of line’ device.
Typical connections of
RS485 PC system
(master) to RS485 DSE
controller (slave)
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TYPICAL BUILDING MANAGEMENT SCHEME USING RS485 MONITORING
CAUTION! -. RS485 cabling must be 120ΩΩΩΩ impedance cable, specified for use with
RS485. 120ΩΩΩΩ terminating resistors must be fitted to the first and last devices on the bus.
Some PC RS485 cards are already fitted with this resistor, and in this case should not be
fitted externally. If in doubt, consult the supplier of your PC RS485 card.
If the 7510MK1 controller is the ‘last’ device on the bus, then it’s RS485 connection must be
suitably terminated with a 120ΩΩΩΩ resistor as detailed in the specification laid out in the RS485
standard.
Recommended cable BELDEN 9841 120ΩΩΩΩ RS485 cable.
DSE part number 016-030.
NOTE: - The RS485 output uses ‘MODBUS’ protocol. It is possible to use third party
software to monitor and control the 7560MK1 module via this protocol.
Please refer to Deep Sea Electronics Plc for details.
9.2.5
MODBUS
The RS485 output uses Modbus communications protocol. This uses a master-slave technique to
communicate. Only the Master can initiate a packet transaction, called a ‘query’. When appropriate
the slave (7560MK1 Module) responds to the query and provides the information requested by the
master.
All supported data can be read and written as specified in the register table (documentation is
available from Deep Sea Electronics Plc.).
When the 7560MK1 Module receives a query it will respond by either supplying the requested
register data or performing the requested action. A slave device (the 7560MK1 module) will never
initiate communications on the Modbus™ link. The 7560MK1 can only be configured as a slave
device. The Master can only query individual slaves. Refer to the Modbus™ protocol document for
more details.
Refer to the Link7000plus Manual for further details on communications expansion.
NOTE:- 7560MK1 controller only available with RS485 communications.
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9.3 ENCLOSURE CLASSIFICATIONS
IP CLASSIFICATIONS
BS EN 60529 Degrees of protection provided by enclosures
First Digit
Second digit
Protection against contact and ingress of solid objects
Protection against ingress of water
0
No protection
0
No protection
1
Protected against ingress solid objects with a
diameter of more than 50 mm. No protection against
deliberate access, e.g. with a hand, but large surfaces
of the body are prevented from approach.
1
Protection against dripping water falling vertically. No
harmful effect must be produced (vertically falling drops).
2
Protected against penetration by solid objects with a
diameter of more than 12 mm. Fingers or similar
objects prevented from approach.
2
Protection against dripping water falling vertically. There
must be no harmful effect when the equipment (enclosure)
is tilted at an angle up to 15° from its normal pos ition
(drops falling at an angle).
3
Protected against ingress of solid objects with a
diameter of more than 2.5 mm. Tools, wires etc. with a
thickness of more than 2.5 mm are prevented from
approach.
3
Protection against water falling at any angle up to 60°
from the vertical. There must be no harmful effect (spray
water).
4
Protected against ingress of solid objects with a
diameter of more than 1 mm. Tools, wires etc. with a
thickness of more than 1 mm are prevented from
approach.
4
Protection against water splashed against the equipment
(enclosure) from any direction. There must be no harmful
effect (splashing water).
5
Protected against harmful dust deposits. Ingress of
dust is not totally prevented but the dust must not enter
in sufficient quantity to interface with satisfactory
operation of the equipment. Complete protection
against contact.
5
Protection against water projected from a nozzle against
the equipment (enclosure) from any direction. There must
be no harmful effect (water jet).
6
Protection against ingress of dust (dust tight).
Complete protection against contact.
6
Protection against heavy seas or powerful water jets.
Water must not enter the equipment (enclosure) in harmful
quantities (splashing over).
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NEMA CLASSIFICATIONS
NOTE: - There is no direct equivalence between IP / NEMA ratings. IP figures shown are
approximate only.
1
IP30
Provides a degree of protection against contact with the enclosure equipment and against a limited amount of
falling dirt.
2
IP31
Provides a degree of protection against limited amounts of falling water and dirt.
3
IP64
Provides a degree of protection against windblown dust, rain and sleet; undamaged by the formation of ice on the
enclosure.
3R
IP32
Provides a degree of protection against rain and sleet:; undamaged by the formation of ice on the enclosure.
4 (X)
IP66
Provides a degree of protection against splashing water, windblown dust and rain, hose directed water;
undamaged by the formation of ice on the enclosure. (Resist corrosion).
12/12K
IP65
Provides a degree of protection against dust, falling dirt and dripping non corrosive liquids.
13
IP65
Provides a degree of protection against dust and spraying of water, oil and non corrosive coolants.
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9.4 IEEE C37.2 STANDARD ELECTRICAL POWER SYSTEM DEVICE
FUNCTION NUMBERS
The DSE 7560MK1 contains many protection devices and functions, which are listed in detail in the
following sections.
Functions and protections provided corresponding to IEEE C37.2 (1996) system device numbers
are listed below.
.
Overall the 7560MK1 is designated as 11 - Multifunction device and includes the following
protections and functions:
Device
Description
2
time delay starting
or closing relay
A device that functions to give a desired amount of time delay before or
after any point of operation in a switching sequence or protective relay
system, except as specifically provided by device functions 48, 62, 79, and
82.
3
checking or
interlocking relay
A device that operates in response to the position of one or more other
devices or predetermined conditions in a piece of equipment or circuit, to
allow an operating sequence to proceed, or to stop, or to provide a check
of the position of these devices or conditions for any purpose.
5
stopping device
A control device used primarily to shut down equipment and hold it out of
operation. (This device may be manually or electrically actuated, but it
excludes the function of electrical lockout [see device function 86] on
abnormal conditions.)
12 overspeed device
A device, usually direct connected, that operates on machine overspeed.
14 underspeed device A device that functions when the speed of a machine falls below a
predetermined value.
15 speed or frequency
matching device
A device that functions to match and hold the speed or frequency of a
machine or a system equal to, or approximately equal to, that of another
machine, source, or system.
18 accelerating or
decelerating device
A device that is used to close or cause the closing of circuits that are used
to increase or decrease the speed of a machine.
25
synchronizing or
synchronism-check
relay
A synchronizing device produces an output that causes closure at zero-
phase angle difference between two circuits. It may or may not include
voltage and speed control. A synchronism-check relay permits the
paralleling of two circuits that are within prescribed limits of voltage
magnitude, phase angle, and frequency.
27 undervoltage relay A device that operates when its input voltage is less than a predetermined
value.
30 annunciator relay
A non-automatically reset device that gives a number of separate visual
indications upon the functioning of protective devices and that may also be
arranged to perform a lockout function.
31 separate excitation
device
A device that connects a circuit, such as the shunt field of a synchronous
converter, to a source of separate excitation during the starting sequence.
32 directional power
relay
A device that operates on a predetermined value of power flow in a given
direction such as reverse power flow resulting from the motoring of a
generator upon loss of its prime mover.
46
reverse-phase or
phase-balance
current relay
A device in a polyphase circuit that operates when the polyphase currents
are of reverse-phase sequence or when the polyphase currents are
unbalanced or when the negative phase-sequence current exceeds a preset
value.
48 incomplete
sequence relay
A device that generally returns the equipment to the normal or off position
and locks it out if the normal starting, operating, or stopping sequence is not
properly completed within a predetermined time.
50 instantaneous
overcurrent relay
A device that operates with no intentional time delay when the current
exceeds a preset value.
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51 ac time overcurrent
relay
A device that functions when the ac input current exceeds a predetermined
value, and in which the input current and operating time are inversely related
through a substantial portion of the performance range.
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Device
Description
52 ac circuit breaker
A device that is used to close and interrupt an ac power circuit under normal
conditions or to interrupt this circuit under fault or emergency conditions.
54 turning gear
engaging device
A device electrically operated, controlled, or monitored that functions to
cause the turning gear to engage (or disengage) the machine shaft.
55 power factor relay A device that operates when the power factor in an ac circuit rises above or
falls below a predetermined value.
59 overvoltage relay
A device that operates when its input voltage exceeds a predetermined
value.
62 time-delay stopping
or opening relay
A device that imposes a time delay in conjunction with the device that
initiates the shutdown, stopping, or opening operation in an automatic
sequence or protective relay system.
63 pressure switch
A device that operates at a given pressure value or at a given rate of
change of pressure.
69 permissive control
device
A device with two-positions that in one position permits the closing of a
circuit breaker, or the placing of a piece of equipment into operation, and in
the other position, prevents the circuit breaker or the equipment from being
operated.
71 level switch
A device that operates at a given level value, or on a given rate of change
of level.
74 alarm relay
A device other than an annunciator, as covered under device function 30,
that is used to operate, or that operates in connection with, a visual or
audible alarm.
78 phase-angle
measuring relay
A device that functions at a predetermined phase angle between two
voltages, between two currents, or between voltage and current.
81 frequency relay
A device that responds to the frequency of an electrical quantity, operating
when the frequency or rate of change of frequency exceeds or is less than
a predetermined value.
83
automatic selective
control or transfer
relay
A device that operates to select automatically between certain sources or
conditions in equipment or that performs a transfer operation automatically.
86 lockout relay
A device that trips and maintains the associated equipment or devices
inoperative until it is reset by an operator, either locally or remotely.
90 regulating device
A device that functions to regulate a quantity or quantities, such as voltage,
current, power, speed, frequency, temperature, and load, at a certain value
or between certain (generally close) limits for machines, tie lines, or other
apparatus.