YOKOGAWA DP harp EJX Series - Page 3

Toc-2
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............................................................6-2
6.3.3 Communicator Connection ................................................................ 6-2
6.3.4 Check Meter Connection ................................................................... 6-2
6.3.5 Status Output Connection .................................................................. 6-3
6.4 Wiring ................................................................................................................. 6-3
6.4.1 LoopConguration ............................................................................6-3
6.4.2 Wiring Installation ............................................................................... 6-4
6.5 Grounding .......................................................................................................... 6-5
6.6 Power Supply Voltage and Load Resistance ................................................. 6-5
7. Operation ................................................................................................... 7-1
7.1 Preparation for Starting Operation ................................................................. 7-1
7.2 Zero Point Adjustment .....................................................................................7-3
7.2.1 AdjustingZeroPointforDi󰀨erentialPressureTransmitters ..............7-3
7.2.2 Adjusting Zero Point for Gauge/Absolute Pressure Transmitters .... 7-3
7.3 Starting Operation ............................................................................................ 7-4
7.4 Shutting Down the Transmitter ....................................................................... 7-4
7.5 Venting or Draining Transmitter Pressure-detector Section ....................... 7-5
7.5.1 Draining Condensate ......................................................................... 7-5
7.5.2 Venting Gas........................................................................................ 7-5
7.6 Local Parameter Setting ................................................................................... 7-6
7.6.1 Local Parameter Setting (LPS) Overview .......................................... 7-6
7.6.2 Activating Local Parameter Setting ................................................... 7-8
7.6.3 Parameter Setting Review ................................................................. 7-8
7.6.4 LoopTestConguration .....................................................................7-9
7.6.5 TagNumberConguration ................................................................. 7-9
7.6.6 PressureUnitConguration...............................................................7-9
7.6.7 PressureLRV/URVConguration ................................................... 7-10
7.6.8 DampingTimeConstantConguration ...........................................7-10
7.6.9 OutputModeConguration .............................................................7-10
7.6.10 DisplayOut1Conguration .............................................................7-10
7.6.11 Re-range by applying actual pressure (LRV/URV). ......................... 7-11