Actuators Over 210 Mm (8.25 Inches Travel) - Fisher FIELDVUE DVC6200 Quick Start Manual

DVC6200 Digital Valve Controllers
January 2017
Actuators over 210 mm (8.25 inches) Travel
1. Isolate the control valve from the process line pressure and release pressure from both sides of the valve body. Shut
off all pressure lines to the pneumatic actuator, releasing all pressure from the actuator. Use lock‐out procedures to
be sure that the above measures stay in effect while working on the equipment.
Figure 5. Mounting on Sliding‐Stem (Linear) Actuators over 210 mm (8.25 Inches) Travel
VALVE STEM
CONNECTOR
CAM
W9709
2. Install the cam to the valve stem connector as described in the instructions included with the mounting kit.
3. Install the mounting adaptor to the actuator.
4. Attach the digital valve controller and mounting kit assembly to the mounting adaptor. The roller on the digital
valve controller feedback arm will contact the actuator cam as it is being attached.
Figure 6. Roller Arm Variation used for Sliding‐Stem (Linear) Actuators over 210 mm (8.25 Inches) Travel
E1229
5. For remote mount applications, proceed to page 17 for DVC6205 base unit mounting. Otherwise, proceed to
Step 2—Connect the Pneumatic Tubing on page 19.
8
ACTUATOR
CAM/ROLLER
POSITION MARK
ROLLER ARM
ROLLER
ARM
MOUNTING ADAPTOR
CAM
E1543
ACTUATOR IS FULLY EXTENDED
Quick Start Guide
LONG STROKE MOUNTING KIT
(DVC6200 NOT SHOWN)
D103556X012