Instruction Manual

Instruction Manual
D103557X012
Maintenance and Troubleshooting
January 2015
66
X0436
Figure 6‐4. Printed Wiring Board (PWB) Connections and Settings
TRANSMITTER / SWITCH
SELECTION
TRAVEL SENSOR
CONNECTOR
TERMINAL BOX
CONNECTOR
OPERATIONAL
MODE SELECTIONS
6. Reassemble the module base to the housing by performing the Replacing the Module Base procedure.
7. Setup and calibrate the digital valve controller.
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.