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User’s
Manual
Contents
1.
Introduction
1.1
For Safe Use of Product ..............................................2
1.2
Warranty ......................................................................4
1.3
ATEX Documentation ..................................................5
2.
Handling Cautions
2.1�
Model�and�Specifications�Check .................................7
2.2�
Selecting�the�Installation�Location ..............................7
2.3�
Pressure�Connection ..................................................7
2.4�
Installation�of�an�Explosion-Protected�Instrument ......7
2.5�
EMC�Conformity�Standards ..................................... 27
2.6
Pressure Equipment Directive (PED) ...................... 28
2.7
Safety Requirement Standards ................................ 29
3.
Installation
3.1
Mounting................................................................... 30
3.2
Mounting�the�Diaphragm�Seals ......................................30
3.3�
Diaphragm�Seals�Installation�Consideration ............ 31
3.4�
Mounting�the�Flushing�Connection�Ring .................. 32
3.5�
Affixing�the�Teflon�Film ............................................. 33
3.6
Rotating Transmitter Section .................................... 34
3.7�
Changing�the�Direction�of�Integral�Indicator............. 34
4.
Installing Impulse Piping
4.1�
Impulse�Piping�Installation�Precautions ................... 35
4.2�
Impulse�Piping�Connection�Examples ..................... 37
4.3�
Process�Piping�Installation�Precautions�(EJ115) 38
5.
Wiring
5.1
Wiring Precautions ................................................... 40
5.2�
Connections�of�External�Wiring�to�Terminal�Box ...... 40
5.3
Wiring ....................................................................... 43
5.4�
RTD�Cable�Connection�(EJX910A/EJX930A) ......... 45
5.5
Grounding ................................................................ 47
5.6�
Power�Supply�Voltage�and�Load�Resistance ........... 47
6.
Operation
6.1
Preparation for Starting Operation ........................... 48
6.2
Zero Point Adjustment .............................................. 48
6.3�
Local�Parameter�Setting .......................................... 49
7.
Errors and Countermeasures
EJX and EJA-E Series
Differential Pressure and
Pressure Transmitters
Installation Manual
IM�01C25A01-01E
IM�01C25A01-01E
12th�Edition
<1. Introduction>
1
IM�01C25A01-01E
12th�Edition:�Feb.�2017�(YK)
All�Rights�Reserved,�Copyright�©�2009,�Yokogawa�Electric�Corporation
1.
Introduction
This�installation�manual�provides�the�basic�guidelines�
for�installation�and�wiring�procedures�of�the�DPharp�EJX�
series�and�EJA-E�series�transmitters�with�BRAIN�and�
HART�protocols�and�is�composed�of�the�information�
extracted�from�the�product�users’�manuals�as�listed�in�
Table�1.1.�It�does�not�provide�the�information�including�
wiring�procedures�of�the�transmitters�with�FOUNDATION
Fieldbus,�Profibus�and�Modbus�protocols,�product�
specific�functional�specifications�and�explanations,�
operation,�maintenance�and�trouble-shooting.�
For�EJXC40A�Digital�Remote�Sensor,�as�this�Installation�
Manual�does�not�cover�the�product,�please�refer�to�the�
dedicated�manual�for�EJXC40A.
WARNING
To�ensure�correct�and�safe�use�of�the�instrument,�
obtain�the�manuals�applicable�to�designated�models�
and�specifications�as�listed�Table�1.1,�read�them�
thoroughly�and�fully�understand�how�to�operate�the�
instrument�before�operating�it.
Users’�manual�for�each�product�consists�of�a�hardware�
manual�describing�installation,�wiring,�operation,�
maintenance�and�specification�including�detailed�model�
and�suffix�code�information,�and�a�communication�
manual�describing�information�specific�to�each�
communication�protocol�type,�including�safety�manual�for�
safety instrumented system.
These�manuals�can�be�downloaded�from�the�website�
of�Yokogawa�or�purchased�from�the�Yokogawa�
representatives.
Website�address:�http://www.yokogawa.com/fld/
Table 1.1 PDF Manual List and Applicable Style Code
[EJX series Hardware Manual]
Models
Document No.
Style
EJX110A
IM�01C25B01-01E
S3
EJX120A
S1
EJX130A,�EJX310A,�EJX430A�
and�EJX440A
S2
EJX210A
IM�01C25C01-01E
S2
EJX510A�and�EJX530A
IM�01C25F01-01E
S2
EJX610A�and�EJX630A
S1
EJX118A�and�EJX438A
IM�01C25H01-01E
S2
EJX115A
IM�01C25K01-01E
S1
EJX910A
IM�01C25R01-01E
S2
EJX930A
S1
EJXC80A�and�EJXC50A
IM�01C25W01-01EN
—
EJXC40A
IM�01C25W05-01EN
—
[EJX series Communication Manual]
Models
Document No.
Style
DPharp�HART�5/HART�7�
Communication�Type
IM�01C25T01-06EN
—
DPharp�FOUNDATION�Fieldbus�
Communication�Type
IM�01C25T02-01E
—
DPharp�BRAIN�Communication�
Type
IM�01C25T03-01E
—
DPharp�PROFIBUS�PA�
Communication�Type
IM�01C25T04-01EN
—
EJX910A�and�EJX930A�HART�
Communication�Type
IM�01C25R02-01E
—
EJX910A�and�EJX930A�
Fieldbus�Communication�Type
IM�01C25R03-01E
—
EJX910A�and�EJX930A�Modbus�
Communication�Type
IM�01C25R05-01E
—
[EJA-E series Hardware Manual]
Models
Document No.
Style
EJA110E,�EJA120E
IM�01C25B01-01E
S1
EJA130E,�EJA310E,�EJA430E�
and�EJA440E
EJA210E
IM�01C25C01-01E
S1
EJA510E�and�EJA530E
IM�01C25F01-01E
S1
EJA118E�and�EJA438E
IM�01C25H01-01E
S1
EJA115E
IM�01C25K01-01E
S1
EJAC80E�and�EJAC50E
IM�01C25W01-01EN
—
[EJA-E series Communication Manual]
Models
Document No.
Style
DPharp�HART�5/HART�7�
Communication�Type
IM�01C25T01-06EN
—
DPharp�FOUNDATION�Fieldbus�
Communication�Type
IM�01C25T02-01E
—
DPharp�BRAIN�Communication�
Type
IM�01C25T03-01E
—
DPharp�PROFIBUS�PA�
Communication�Type
IM�01C25T04-01EN
—
Note:��An�exclusive�User’s�Manual�might�be�attached�for�the�
products�whose�suffix�codes�or�optional�codes�contain�
code�“Z”.��Please�read�it�along�with�the�standard�manuals.
<1. Introduction>
2
IM�01C25A01-01E
Regarding This Manual
•� This�manual�should�be�passed�on�to�the�end�user.
•� The�contents�of�this�manual�are�subject�to�change�
without�prior�notice.
•� All�rights�reserved.�No�part�of�this�manual�may�be�
reproduced�in�any�form�without�Yokogawa’s�written�
permission.
•� Yokogawa�makes�no�warranty�of�any�kind�with�regard�
to�this�manual,�including,�but�not�limited�to,�implied�
warranty�of�merchantability�and�fitness�for�a�particular�
purpose.
•� If�any�question�arises�or�errors�are�found,�or�if�any�
information�is�missing�from�this�manual,�please�inform�
the�nearest�Yokogawa�sales�office.
•� The�specifications�covered�by�this�manual�are�limited�
to�those�for�the�standard�type�under�the�specified�
model�number�break-down�and�do�not�cover�custom-
made instruments.
•� Please�note�that�changes�in�the�specifications,�
construction,�or�component�parts�of�the�instrument�
may�not�immediately�be�reflected�in�this�manual�at�
the�time�of�change,�provided�that�postponement�of�
revisions�will�not�cause�difficulty�to�the�user�from�a�
functional or performance standpoint.
•� Yokogawa�assumes�no�responsibilities�for�this�
product�except�as�stated�in�the�warranty.
•� If�the�customer�or�any�third�party�is�harmed�by�the�use�
of�this�product,�Yokogawa�assumes�no�responsibility�
for�any�such�harm�owing�to�any�defects�in�the�product�
which�were�not�predictable,�or�for�any�indirect�
damages.
•� When�describing�the�model�name�like�EJ110
in�this�manual,�it�shows�the�applicability�for�both�
EJX110A�and�EJA110E.�The�same�representations�
are�used�for�the�other�models,�too.
•� The�following�safety�symbol�marks�are�used�in�this�
manual:
WARNING
Indicates�a�potentially�hazardous�situation�which,�if�not�
avoided,�could�result�in�death�or�serious�injury.
CAUTION
Indicates�a�potentially�hazardous�situation�which,�if�not�
avoided,�may�result�in�minor�or�moderate�injury.�It�may�
also�be�used�to�alert�against�unsafe�practices.
IMPORTANT
Indicates�that�operating�the�hardware�or�software�in�
this�manner�may�damage�it�or�lead�to�system�failure.
NOTE
Draws attention to information essential for
understanding�the�operation�and�features.
Direct current
Functional grounding terminal
�
Caution
This�symbol�indicates�that�the�operator�must�
refer�to�an�explanation�in�the�user’s�manual�
in�order�to�avoid�the�risk�of�injury�or�death�of�
personnel�or�damage�to�the�instrument.
1.1
For Safe Use of Product
For�the�protection�and�safety�of�the�operator�and�the�
instrument�or�the�system�including�the�instrument,�please�
be�sure�to�follow�the�instructions�on�safety�described�
in�this�manual�when�handling�this�instrument.�In�case�
the�instrument�is�handled�in�contradiction�to�these�
instructions,�Yokogawa�does�not�guarantee�safety.�
Please�give�your�attention�to�the�followings.
(a) Installation
WARNING
•� The�instrument�must�be�installed�by�an�expert�
engineer�or�a�skilled�personnel.�The�procedures�
described�about�INSTALLATION�are�not�permitted�
for operators.
•� In�case�of�high�process�temperature,�care�should�
be�taken�not�to�burn�yourself�because�the�surface�
of�body�and�case�reaches�a�high�temperature.
•� The�instrument�installed�in�the�process�is�under�
pressure.�Never�loosen�the�process�connector�
bolts�to�avoid�the�dangerous�spouting�of�process�
fluid.
•� During�draining�condensate�from�the�pressure�
detector�section,�take�appropriate�care�to�avoid�
contact�with�the�skin,�eyes�or�body,�or�inhalation�
of�vapors,�if�the�accumulated�process�fluid�may�be�
toxic�or�otherwise�harmful.
•� When�removing�the�instrument�from�hazardous�
processes,�avoid�contact�with�the�fluid�and�the�
interior�of�the�meter.
•� All�installation�shall�comply�with�local�installation�
requirement and local electrical code.