YOKOGAWA vigilantplant DPharp EJX Series, User Manual

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CONTENTS
IM 01C25H01-01E
5.4 Wiring .................................................................................................. 5-2
5.4.1 Loop Configuration ....................................................................... 5-2
(1) General-use Type and Flameproof Type ..................................... 5-2
(2) Intrinsically Safe Type ................................................................. 5-2
5.4.2 Wiring Installation ......................................................................... 5-2
(1) General-use Type and Intrinsically Safe Type ............................. 5-2
(2) Flameproof Type ......................................................................... 5-3
5.5 Grounding ............................................................................................ 5-3
5.6 Power Supply Voltage and Load Resistance ..................................... 5-3
6. OPERATION .................................................................................................. 6-1
6.1 Preparation for Starting Operation ...................................................... 6-1
6.2 Zero Point Adjustment ........................................................................ 6-2
6.3 Starting Operation ............................................................................... 6-3
6.4 Shutting Down Operation .................................................................... 6-3
6.5 Venting or Draining Transmitter Process-Detector Section ................ 6-3
6.5.1 Draining Condensate for Flushing Connection Ring ................... 6-3
6.5.2 Venting Gas for Flushing Connection Ring ................................. 6-3
6.6 Setting the Range Using the Range-setting Switch ........................... 6-4
7. MAINTENANCE ............................................................................................. 7-1
7.1 Overview ............................................................................................. 7-1
7.2 Calibration Instruments Selection ....................................................... 7-1
7.3 Calibration ........................................................................................... 7-1
7.4 Disassembly and Reassembly ............................................................ 7-3
7.4.1 Replacing the Integral Indicator ................................................... 7-3
7.4.2 Replacing the CPU Board Assembly ........................................... 7-4
7.5 Troubleshooting ................................................................................... 7-5
7.5.1 Basic Troubleshooting .................................................................. 7-5
7.5.2 Troubleshooting Flowcharts ......................................................... 7-5
7.5.3 Alarms and Countermeasures ..................................................... 7-7
8. GENERAL SPECIFICATIONS ...................................................................... 8-1
8.1 Standard Specifications ...................................................................... 8-1
8.2 MODEL AND SUFFIX CODES ........................................................... 8-5
8.3 OPTIONAL SPECIFICATIONS (For Explosion Protected type) ....... 8-11
8.4 DIMENSIONS .................................................................................... 8-14
REVISION RECORD .................................................................................................
When using the EJX in a Safety Instrumented Systems(SIS) application,
refer to Appendix A in either IM 01C25T01-01E for the HART protocol or
IM 01C25T03-01E for the BRAIN protocol.