M-system M3LU2 Operating Manual
Text of the manual
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
Space-saving Signal Conditioners M3-UNIT Series
UNIVERSAL TRANSMITTER
(field- and PC-configurable)
Model: M3LU2
OPERATING MANUAL
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
CONTENTs
1. INTRODUCTION .....................................................................................4
1.1 PACKAGE .............................................................................................................................4
2. sAFETY PRECAUTIONs (Be sure to observe.).....................................5
3. POINTs OF CAUTION ...........................................................................7
3.1 BEFORE USE .... ..................................................................................................................7
3.2 CONFORMITY WITH EU DIRECTIVES ...............................................................................7
3.3 ENVIRONMENT ...................................................................................................................7
3.4 WIRING ................................................................................................................................8
3.5 HANDLING CAUTIONS ........................................................................................................8
4. FEATUREs AND PREPARATION PROCEDURE OF M3LU2 ..............9
4.1 FEATURES OF M3LU2 ........................................................................................................9
4.2 PREPARATION PROCEDURE .............................................................................................9
5. COMPONENT IDENTIFICATION .........................................................10
5.1 FRONT AND SIDE VIEWS .................................................................................................10
5.1.1 STATUS INDICATOR LED ....................................................................................... 11
5.2 INTERNAL VIEW ................................................................................................................13
6. HOW TO OPEN THE COVER ..............................................................14
7. DIP sWITCH CONFIGURATION ..........................................................15
7.1 DIFFERENCE BETWEEN DIP SW CONFIGURATION AND PC CONFIGURATION .........15
7.2 DIP SWITCH SELECTION PER I/O SPECIFICATION AND FUNCTION ............................15
7.2.1 CONFIGURATION MODE .......................................................................................16
7.2.2 INPUT TYPE (JP2) ..................................................................................................16
7.2.3 INPUT (DIP SWITCHES) ........................................................................................16
7.2.4 OUTPUT TYPE .......................................................................................................20
7.2.5 FRONT CONTROL BUTTON LOCK .......................................................................20
8. WIRING .................................................................................................21
8.1 CAUTION IN WIRING .........................................................................................................21
8.2 WIRING INSTRUCTIONS ...................................................................................................21
8.3 TERMINAL ASSIGNMENT .................................................................................................23
8.4 TERMINAL CONNECTIONS ..............................................................................................24
8.4.1 WIRING INPUT.......................................................................................................24
8.4.2 WIRING OUTPUT...................................................................................................26
8.4.3 WIRING POWER ....................................................................................................26
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
9. INsTALLATION ....................................................................................27
10. CALIBRATION ....................................................................................28
10.1 CALIBRATION FLOW .......................................................................................................28
10.2 INPUT & OUTPUT RANGING ..........................................................................................29
10.2.1 OUTLINE OF I/O RANGING .................................................................................29
10.2.2 MAXIMUM RANGE, MINIMUM SPAN AND DEFAULT VALUE OF INPUT ...........31
10.2.3 MAXIMUM RANGE, MINIMUM SPAN AND DEFAULT VALUE OF OUTPUT .......32
10.2.4 OPERATION PROCEDURE OF I/O RANGING....................................................33
10.3 FINE ADJUSTMENT MODE .............................................................................................36
10.3.1 OUTLINE OF FINE ADJUSTMENT ......................................................................36
10.3.2 OPERATION PROCEDURE OF FINE ADJUSTMENT .........................................37
11. CHECKING, MAINTENANCE, INITIALIZATION OF PARAMETERs .39
11.1 CHECKING ........................................................................................................................39
11.2 MAINTENANCE ................................................................................................................39
11.3 INITIALIZATION OF PARAMETERS .................................................................................39
12. APPENDICEs .....................................................................................40
12.1 SPECIFICATIONS ............................................................................................................40
12.1.1 GENERAL SPECIFICATIONS ...............................................................................40
12.1.2 INPUT SPECIFICATIONS .....................................................................................40
12.1.3 OUTPUT SPECIFICATIONS .................................................................................41
12.1.4 INSTALLATION ......................................................................................................41
12.1.5 PERFORMANCE ..................................................................................................41
12.1.6 STANDARDS & APPROVALS ...............................................................................42
12.1.7 I/O TYPE, MAXIMUM RANGE & ACCURACY ......................................................42
12.1.8 CALCULATION EXAMPLES OF OVERALL ACCURACY .....................................44
12.2 PC CONFIGURATOR SOFTWARE ..................................................................................45
12.3 MODEL NUMBERING ......................................................................................................46
12.4 EXTERNAL DIMENSIONS ...............................................................................................47
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
1. INTRODUCTION
Thank you for your choosing M-System. Read this manual carefully to ensure that you use the product correctly and safely.
1.1 PACKAGE
Check contents of the package you received as outlined below.
•�Signal conditioner
•�Accessories
I/O range and tag name label sheet
Instruction manual
CJC sensor
(mounted on a Euro type connector terminal
block)
*1 Ordering Information Sheet is included when input or output is specified in ordering.
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
2. sAFETY PRECAUTIONs (Be sure to observe.)
The following signs are used in this manual to provide precautions required to ensure safe usage of the unit. Please under-
stand these signs and graphic symbols, read the manual carefully and observe the description.
The following signs show seriousness of safety hazard or damage occurred when used wrongly with the signs ignored.
Indicates a potentially hazardous situation which, if not avoided, may result in
serious injury or death.
Indicates a potentially hazardous situation which, if not avoided, may result in
injury or in property damage.
Indicates prohibitions.
Indicates mandatory cautions.
Indicates cautions.
Make sure for safety that only qualified personnel
perform the wiring.
•� Failure to do so may result in a fire, electric
shock or injury.
Do not splash water on the unit.
•� Doing so may result in a fire, electric shock or
injury.
Do not touch the terminals while the power is on.
•�Doing so may result in electric shock.
Provide safety measures outside of the unit to
ensure safety in the whole system if an abnormal-
ity occurs due to malfunction of the unit or another
external factor affecting the unit’s operation.
Check the connection diagram carefully before
wire connection.
•� Failure to do so may result in malfunction, a fire
or electric shock.
Stop using the unit immediately if smokes, unusual
smell or abnormal noises come(s) from it.
•� Using the unit continuously may result in a fire
or electric shock.
Tighten the terminal screws of the Euro type con-
nector terminal blocks with a specified torque.
•� Excessive fastening may result in damage of
the screws and loose screws may occasionally
result in ignition.
Stop using the unit if it is dropped or damaged.
•� Using the unit continuously may result in a fire
or electric shock.
PROHIBITION
WET HANDS
Do not operate buttons with a wet hand or finger.
•�Doing so may result in electric shock.
Do not throw the unit into the fire.
•� Doing so may result in rupture of the electronic
component.