Yokogawa EJA110E Bedienungsanleitung PDF herunterladen (Seite 3)

IM 01C25B01-01E

5. Installing Impulse Piping ......................................................................... 5-1

5.1 Impulse Piping Installation Precautions ........................................................ 5-1

5.1.1 Connecting Impulse Piping to a Transmitter ......................................5-1

5.1.2 Routing the Impulse Piping ................................................................ 5-3

5.2 Impulse Piping Connection Examples ........................................................... 5-4

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

7.2.1 Adjusting Zero Point for Differential Pressure Transmitters ..............7-3

7.2.2 Adjusting Zero Point for Gauge/Absolute Pressure Transmitters ....7-3

7.3 Starting Operation ............................................................................................7-3

7.4 Shutting Down the Transmitter ....................................................................... 7-4

7.5 Venting or Draining Transmitter Pressure-detector Section ....................... 7-4

7.5.1 Draining Condensate .........................................................................7-4

7.5.2 Venting Gas........................................................................................7-5

7.6 Setting the Range Using the Range-setting Switch ...................................... 7-5

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

8.4.4 Replacing the Process Connector Gaskets .......................................8-6

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Yokogawa EJA110E Bedienungsanleitung Seite 3