Operation & user’s manual [PDF] (85 pages)
- Updated: 26.06.2026
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User’s
Manual
Yokogawa Electric Corporation
EJX210B
Flange Mounted Differential
Pressure Transmitter
IM 01C27C01-01EN
IM 01C27C01-01EN
13th Edition
Toc-1
IM 01C27C01-01EN
EJX210B
Flange Mounted Differential Pressure Transmitter
IM 01C27C01-01EN 13th Edition
13th Edition: July 2021 (YK)
All Rights Reserved, Copyright © 2010, Yokogawa Electric Corporation
Contents
1.
Introduction................................................................................................ 1-1
1.1
Safe Use of This Product ..................................................................................1-2
1.2
Radio Wave.........................................................................................................1-3
1.3
Warranty..............................................................................................................1-4
1.4
Trademarks.........................................................................................................1-4
1.5
Control of Pollution Caused by the Product...................................................1-5
2.
Handling Cautions..................................................................................... 2-1
2.1
Model and Specifications Check......................................................................2-1
2.2
Unpacking...........................................................................................................2-1
2.3
Storage................................................................................................................2-2
2.4
Selecting the Installation Location .................................................................2-2
2.5
Pressure Connection.........................................................................................2-3
2.6
Restrictions on Use of Radio Transceivers....................................................2-3
2.7
Insulation Resistance and Dielectric Strength Test.......................................2-3
2.8
Installation of an Explosion-Protected Instrument........................................2-4
2.8.1
FM Approval........................................................................................2-5
2.8.2
CSA Certification.................................................................................2-6
2.8.3
ATEX Certification...............................................................................2-6
2.8.4
IECEx Certification..............................................................................2-8
2.9
EMC Conformity Standards..............................................................................2-9
2.10
Pressure Equipment Directive (PED)..............................................................2-9
2.11
Low Voltage Directive........................................................................................2-9
2.12
Regulatory Compliance for Radio and Telecommunication.........................2-9
2.12.1
Radio Equipment Directive (RE).........................................................2-9
2.12.2
FCC compliance...............................................................................2-10
2.12.3
Industry Canada (IC) compliance.....................................................2-10
2.13
EU RoHS Directive...........................................................................................2-10
3.
Component Names................................................................................... 3-1
4.
Installation.................................................................................................. 4-1
4.1
Precautions ........................................................................................................4-1
4.2
Mounting ............................................................................................................4-1
4.3
Rotating Transmitter Section............................................................................4-1
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IM 01C27C01-01EN
4.4
Changing the Direction of Integral Indicator .................................................4-2
4.5
Changing the direction of the antenna............................................................4-2
4.6
Mounting the Flushing Connection Ring........................................................4-3
4.6.1
Mounting to Pressure Detector Section..............................................4-3
4.6.2
Mounting to Process Flange...............................................................4-3
4.7
Affixing the Teflon Film.....................................................................................4-4
5.
Installing Impulse Piping.......................................................................... 5-1
5.1
Impulse Piping Installation Precautions.........................................................5-1
5.1.1
Connecting Impulse Piping to the Transmitter....................................5-1
5.1.2
Routing the Impulse Piping.................................................................5-1
5.2
Impulse Piping Connection Examples............................................................5-2
6.
Wiring.......................................................................................................... 6-1
6.1
Mounting Antenna and Wiring..........................................................................6-1
6.1.1
Mounting the antenna.........................................................................6-1
6.1.2
Mounting External Antenna and Wiring Antenna Extension Cable....6-2
6.1.2.1
Mounting of External Antenna.............................................................6-2
6.1.2.2
Wiring of Antenna Extension Cable....................................................6-2
6.1.2.3
Mounting of Surge Protective Device and Wiring...............................6-4
6.2
Grounding...........................................................................................................6-4
6.3
Power Supply Wiring Precautions...................................................................6-5
6.4
Selecting the Wiring Materials..........................................................................6-5
6.5
Connection of the External Power Source Terminal......................................6-5
7.
Operation.................................................................................................... 7-1
7.1
Preparation for Starting Operation..................................................................7-1
7.2
Zero Point Adjustment......................................................................................7-2
7.3
Starting Operation.............................................................................................7-3
7.4
Connecting to the Field Wireless Network......................................................7-3
7.5
Shutting Down The Transmitter.......................................................................7-5
7.6
Venting or Draining Transmitter Pressure-detector Section........................7-5
7.6.1
Draining Condensate (low pressure side)..........................................7-5
7.6.2
Venting Gas (low pressure side).........................................................7-6
7.6.3
Draining Condensate for Flushing Connection Ring..........................7-6
7.6.4
Venting Gas for Flushing Connection Ring.........................................7-7
8.
Setting Parameters.................................................................................... 8-1
8.1
Environment for parameter setting..................................................................8-1
8.2
Preparing Software............................................................................................8-1
8.2.1
Softwares for the Field Wireless Configuration Tool and the Device
Configuration Tool...............................................................................8-1
8.2.2
Software Download.............................................................................8-1
8.3
Setting Parameters............................................................................................8-2
8.3.1
Parameter Usage and Selection.........................................................8-2
8.3.2
Function Block and Menu Tree...........................................................8-3
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