Yokogawa EJA530E Bedienungsanleitung PDF herunterladen (Seite 3)

IM 01C25F01-01E

When using the Transmitters in a Safety Instrumented Systems(SIS)

application, refer to Appendix A in either IM 01C25T01-06EN for the

HART protocol or IM 01C25T03-01E for the BRAIN protocol.

6. Wiring ......................................................................................................... 6-1

6.1 Wiring Precautions ...........................................................................................6-1

6.2 Selecting the Wiring Materials .........................................................................6-1

6.3 Connections of External Wiring to Terminal Box .......................................... 6-1

6.3.1 Power Supply Wiring Connection ......................................................6-1

6.3.2 External Indicator Connection............................................................6-1

6.3.3 Communicator Connection ................................................................6-1

6.3.4 Check Meter Connection ...................................................................6-2

6.3.5 Status Output Connection ..................................................................6-2

6.4 Wiring .................................................................................................................6-2

6.4.1 Loop Conguration ............................................................................6-2

6.4.2 Wiring Installation ...............................................................................6-2

6.5 Grounding ..........................................................................................................6-3

6.6 Power Supply Voltage and Load Resistance .................................................6-3

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 Shutting Down the Transmitter ....................................................................... 7-3

7.5 Setting the Range Using the Range-setting Switch ...................................... 7-4

8. Maintenance .............................................................................................. 8-1

8.1 Overview ............................................................................................................8-1

8.2 Calibration Instruments Selection .................................................................. 8-1

8.3 Calibration .........................................................................................................8-1

8.4 Disassembly and Reassembly ........................................................................8-3

8.4.1 Replacing the Integral Indicator .........................................................8-3

8.4.2 Replacing the CPU Board Assembly .................................................8-4

8.4.3 Cleaning and Replacing the Capsule Assembly ..........................8-4

8.5 Troubleshooting ................................................................................................ 8-5

8.5.1 Basic Troubleshooting .......................................................................8-6

8.5.2 Troubleshooting Flowcharts ...............................................................8-6

8.5.3 Alarms and Countermeasures ...........................................................8-8

9. General Specications ............................................................................ 9-1

9.1 Standard Specications ...................................................................................9-1

9.2 Model and Sufx Codes ................................................................................... 9-5

9.3 Optional Specications “◊” .............................................................................9-8

9.4 Dimensions ......................................................................................................9-10

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