User’s Manual Model EJA110A, EJA120A and EJA130A ...

1 User sManualYokogawa Electric CorporationModel EJA110A, EJA120A andEJA130 ADifferential Pressure TransmittersIM 01C21B01-01 EIM 01C21B01-01E11th EditioniCONTENTSIM 01C21B01-01 EFD No. IM 01C21B01-01E11th Edition: Oct. 2008(YK)All Rights Reserved, Copyright 1997, Yokogawa Electric CorporationCONTENTS1. INTRODUCTION .. 1-1 Regarding This Manual .. For Safe Use of Product .. Warranty .. ATEX Documentation .. 1-32. HANDLING CAUTIONS .. and Specifications Check .. the Installation Location .. Connection .. of Cable Conduit Connections .. on Use of Radio Transceiver.

2 Resistance and Dielectric Strength Test .. of Explosion Protected Type .. FM Approval .. CSA Certification .. IECEx Certification .. CENELEC ATEX (KEMA) Certification .. EMC Conformity Standards .. PED (Pressure Equipment Directive) .. Low Voltage Directive .. 2-123. COMPONENT NAMES .. 3-14. INSTALLATION .. the Process Connection .. the High/Low-pressure Side Connection .. Rotating Pressure-detector Section 180 .. Using the BRAIN TERMINAL BT200 .. Transmitter Section .. the Direction of Integral Indicator.

3 4-45. INSTALLING IMPULSE PIPING .. Piping Installation Precautions .. Connecting Impulse Piping to the Transmitter .. Routing the Impulse Piping .. Piping Connection Examples .. 5-46. WIRING .. Precautions .. the Wiring Materials .. of External Wiring to Terminal Box .. Power Supply Wiring Connection .. 6-1iiCONTENTSIM External Indicator Connection .. BRAIN TERMINAL BT200 Connection .. Check Meter Connection .. Loop Configuration .. 6-2(1) General-use Type and Flameproof Type .. 6-2(2) Intrinsically Safe Type.

4 Wiring Installation .. 6-2(1) General-use Type and Intrinsically Safe Type .. 6-2(2) Flameproof Type .. Supply Voltage and Load Resistance .. 6-37. OPERATION .. for Starting Operation .. Point Adjustment .. Operation .. Down Operation .. or Draining Transmitter Pressure-detector Section .. Draining Condensate .. Venting Gas .. the Range Using the Range-setting Switch .. 7-48. BRAIN TERMINAL BT200 OPERATION .. Operation Precautions .. Connecting the BT200 .. Conditions of Communication Line .. Operating Procedures.

5 Key Layout and Screen Display .. Operating Key Functions .. 8-2(1) Alphanumeric Keys and Shift Keys .. 8-2(2) Function Keys .. Calling Up Menu Addresses Using the Operating Keys .. Parameters Using the BT200 .. Parameter Summary .. Parameter Usage and Selection .. Setting Parameters .. 8-7(1) Tag No. Setup .. 8-7(2) Calibration Range Setup .. 8-7(3) Damping Time Constant Setup .. 8-8(4) Output Mode and Integral Indicator Display Mode Setup .. 8-9(5) Output Signal Low Cut Mode Setup .. 8-9(6) Change Output Limits.

6 8-10(7) Integral Indicator Scale Setup .. 8-10(8) Unit Setup for Displayed Temperature .. 8-11(9) Unit Setup for Displayed Static Pressure .. 8-12(10) Operation Mode Setup .. 8-12(11) Impulse Line Connection Orientation Setup .. 8-12(12) Output Status Display/Setup when a CPU Failure .. 8-12(13) Output Status Setup when a Hardware Error Occurs .. 8-12(14) Bi-directional Flow Measurement Setup .. 8-13(15) Range Change while Applying Actual Inputs .. 8-13(16) Zero Point Adjustment .. 8-14(17) Span Adjustment .. 8-15iiiCONTENTSIM 01C21B01-01E(18) Test Output Setup.

7 8-16(19) User Memo Fields .. Data Using the BT200 .. Displaying Measured Data .. Display Transmitter Model and Specifications .. Checking for Problems .. 8-17(1) Identifying Problems with BT200 .. 8-17(2) Checking with Integral Indicator .. Errors and Countermeasures .. 8-199. MAINTENANCE .. Instruments Selection .. and Reassembly .. Replacing the Integral Indicator .. Replacing the CPU Board Assembly .. Cleaning and Replacing the Capsule Assembly .. Replacing the Process Connector Gaskets .. Basic Troubleshooting.

8 Troubleshooting Flow Charts .. 9-710. GENERAL SPECIFICATIONS .. Standard Specifications .. Model and Suffix Codes .. Optional Specifications .. Dimensions .. 10-9 Customer Maintenance Parts ListDPharp EJA Series Transmitter Section .. CMPL 01C21A01-02 EModel EJA110A, EJA120A and EJA130 ADifferential Pressure Transmitter .. CMPL 01C21B00-01 EREVISION RECORD1-11. INTRODUCTIONIM you for purchasing the DPharp electronicpressure DPharp Pressure Transmitters are preciselycalibrated at the factory before shipment. To ensurecorrect and efficient use of the instrument, please readthis Manual thoroughly and fully understand how tooperate the instrument before operating it.

9 Regarding This Manual This Manual should be passed on to the end user. The contents of this Manual are subject to changewithout prior notice. All rights reserved. No part of this Manual may bereproduced in any form without Yokogawa s writtenpermission. Yokogawa makes no warranty of any kind withregard to this Manual , including, but not limited to,implied warranty of merchantability and fitness for aparticular purpose. If any question arises or errors are found, or if anyinformation is missing from this Manual , pleaseinform the nearest Yokogawa sales office.

10 The specifications covered by this Manual arelimited to those for the standard type under thespecified Model number break-down and do notcover custom-made instruments. Please note that changes in the specifications,construction, or component parts of the instrumentmay not immediately be reflected in this Manual atthe time of change, provided that postponement ofrevisions will not cause difficulty to the user from afunctional or performance standpoint. Yokogawa assumes no responsibilities for thisproduct except as stated in the warranty. If the customer or any third party is harmed by theuse of this product, Yokogawa assumes no responsi-bility for any such harm owing to any defects in theproduct which were not predictable, or for anyindirect FOUNDATION FieldbusTM, PROFIBUS PA andHART protocol versions, please refer to IM01C22T02-01E, IM 01C22T03-00E and IM01C22T01-01E respectively, in addition to thismanual.