Fisher® FIELDVUE DVC6200 Digital Valve Controller

Instruction Manual
D103605X012
Maintenance and Troubleshooting
July 2012
I/P Converter
Refer to figure 7‐2 or 7‐4 for key number locations. The I/P converter (key 41) is located on the front of the module
base.
Note
After I/P converter submodule replacement, calibrate the digital valve controller to maintain accuracy specifications.
Replacing the I/P Filter
A screen in the supply port beneath the I/P converter serves as a secondary filter for the supply medium. To replace this
filter, perform the following procedure:
1. Remove the I/P converter (key 41) and shroud (key 169) as described in the Removing the I/P Converter procedure.
2. Remove the screen (key 231) from the supply port.
3. Install a new screen in the supply port as shown in figure 6‐2.
Figure 6‐2. I/P Filter Location
O‐RING LOCATED IN I/P
CONVERTER OUTPUT PORT
W8072
SCREEN (FILTER) LOCATED IN
I/P CONVERTER SUPPLY PORT
4. Inspect the O‐ring (key 39) in the I/P output port. if necessary, replace it.
5. Reinstall the I/P converter (key 41) and shroud (key 169) as described in the Replacing the I/P Converter procedure.
Removing the I/P Converter
1. Remove the front cover (key 43), if not already removed.
2. Refer to figure 6‐3. Using a 2.5 mm hex socket wrench, remove the four socket‐head screws (key 23) that attach the
shroud (key 169) and I/P converter (key 41) to the module base (key 2).
3. Remove the shroud (key 169); then pull the I/P converter (key 41) straight out of the module base (key 2). Be
careful not to damage the two electrical leads that come out of the base of the I/P converter.
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