CAM216/16 IOM
Doc. Number: ECM-402-0116
January 2016, Rev. 1
71
Section 11: Installation of Optional THUM Wireless Adapter
Installation of Optional THUM Wireless Adapter
Figure 76
THUM on the EHO STC
5.
Verify that all connections are secured and make sure the actuator is configured for
“Network Mode” (Setpoint changes via THUM will not be accepted if not in proper
mode), and then close the actuator.
11.5
Component Installation on HQ
1.
Disconnect the actuator from the power source and open the top cover to expose the
internal electronics.
2.
Apply Teflon tape to both, the THUM and the reducer bushing threads to
prevent galling.
3.
Insert the Wireless HART THUM and a 3/4 to 1/4 conduit reducer into one of the access
ports in the actuator control housing. Then, tighten securely, making sure not to
damage wires while turning.
NOTE:
Reducer bushings used for non-hazardous locations installation only.
4.
Once the THUM is securely installed, wire as shown below:
Table 42.
THUM Component Wiring (1)
CAM16
THUM
I-
White
I+
Yellow
