FisherÂ® FIELDVUE DVC6200 Digital Valve Controller

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Maintenance and Troubleshooting July 2012 Instruction Manual D103605X012 Figure 6‐4. Printed Wiring Board (PWB) Connections and Settings TRAVEL SENSOR CONNECTOR TERMINAL BOX CONNECTOR OPERATIONAL MODE SELECTION X0463 TRAVEL SENSOR CONNECTOR TRANSMITTER / SWITCH SELECTION TERMINAL BOX CONNECTOR OPERATIONAL MODE SELECTION X0432 Note For the digital valve controller to operate with a 4 to 20 mA control signal, be sure the DIP switch is in the point‐to‐point loop position. 6. Reassemble the module base to the housing by performing the Replacing the Module Base procedure. 7. Setup and calibrate the digital valve controller. 62
Instruction Manual D103605X012 Maintenance and Troubleshooting July 2012 Pneumatic Relay Refer to figure 7‐2 or 7‐4 for key number locations. The pneumatic relay (key 24) is located on the front of the module base. Note After relay submodule replacement, calibrate the digital valve controller to maintain accuracy specifications. Removing the Pneumatic Relay 1. Loosen the four screws that attach the relay (key 24) to the module base. These screws are captive in the relay. 2. Remove the relay. Replacing the Pneumatic Relay 1. Visually inspect the holes in the module base to ensure they are clean and free of obstructions. If cleaning is necessary, do not enlarge the holes. 2. Apply silicone lubricant to the relay seal and position it in the grooves on the bottom of the relay as shown in figure 6‐5. Press small seal retaining tabs into retaining slots to hold relay seal in place. Figure 6‐5. Pneumatic Relay Assembly W8074 RELAY SEAL 3. Position the relay (with shroud) on the module base. Tighten the four screws, in a crisscross pattern, to a final torque of 2 Nm (20.7 lbfin). 4. Using the Field Communicator, verify that the value for Relay Type parameter matches the relay type installed. 5. After replacing the relay and verifying the relay type, calibrate travel or perform touch‐up calibration to maintain accuracy specifications Gauges, Pipe Plugs, or Tire <strong>Valve</strong>s Depending on the options ordered, the <strong>DVC6200</strong> or DVC6205 will be equipped with either gauges (key 47), pipe plugs (key 66), or tire valves (key 67). Single‐acting direct instruments will also have a screen (key 236, figure 7‐3). These are located on the top of the module base next to the relay. 63
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FisherÂ® FIELDVUE DVC6200 Digital Valve Controller

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