Yokogawa EJA220A - Manual (Page 4)

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CONTENTS
IM 01C21C01-01E
8.4 Displaying Data Using the BT200 ..................................................... 8-16
8.4.1 Displaying Measured Data ......................................................... 8-16
8.4.2 Display Transmitter Model and Specifications ........................... 8-16
8.5 Self-Diagnostics ................................................................................ 8-16
8.5.1 Checking for Problems ............................................................... 8-16
(1) Identifying Problems with BT200 .............................................. 8-16
(2) Checking with Integral Indicator ................................................ 8-17
8.5.2 Errors and Countermeasures ..................................................... 8-18
9. MAINTENANCE ............................................................................................. 9-1
9.1 Overview ............................................................................................. 9-1
9.2 Calibration Instruments Selection ....................................................... 9-1
9.3 Calibration ........................................................................................... 9-1
9.4 Disassembly and Reassembly ............................................................ 9-3
9.4.1 Replacing the Integral Indicator ................................................... 9-3
9.4.2 Replacing the CPU Board Assembly ........................................... 9-4
9.4.3 Replacing the Process Connector Gasket ................................... 9-5
9.5 Troubleshooting ................................................................................... 9-5
9.5.1 Basic Troubleshooting .................................................................. 9-5
9.5.2 Troubleshooting Flow Charts ....................................................... 9-6
10. GENERAL SPECIFICATIONS .................................................................... 10-1
10.1 Standard Specifications .................................................................... 10-1
10.2 Model and Suffix Codes .................................................................... 10-3
10.3 Optional Specifications ...................................................................... 10-5
10.4 Dimensions ........................................................................................ 10-8
Customer Maintenance Parts List
DPharp EJA Series Transmitter Section ........................ CMPL 01C21A01-02E
Model EJA210A and EJA220A Flange Mounted
Differential Pressure Transmitter ................................... CMPL 01C21C01-01E
REVISION RECORD