Actuators Over 210 Mm (8.25 In.es Travel) - Emerson Fisher FIELDVUE DPC2K Quick Start Manual

DPC2K Digital Process Controller
April 2024
Actuators over 210 mm (8.25 in.) 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 in.) 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 process controller and mounting kit assembly to the mounting adaptor. The roller on the digital
process 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 in.) Travel
E1229
5. Proceed to Step 2—Connect the Pneumatic Tubing on page 18.
10
ACTUATOR
CAM/ROLLER
POSITION MARK
ROLLER ARM
ROLLER
ARM
ACTUATOR IS FULLY EXTENDED
MOUNTING ADAPTOR
LONG STROKE MOUNTING KIT
(DPC2K NOT SHOWN)
CAM
E1543
Quick Start Guide
D104559X012
MOUNTS TO BACK
HOUSING OF DPC2K