Quick Installation Guide

Smart Wireless THUM Adapter

00825-0100-4075, Rev BA February 2010

Figure 10. Direct Mount Wiring Diagram for 4-Wire Passive Device

THUM Adapter

Green

Red

Black

White

Yellow

4-20 mA/HART +

4-20 mA/HART -

Wired Device

Splice Connector

Ground

4-20 mA Loop +

 

 

4-20 mA Loop -

 

Power +

 

Power -

Power+ Power-

 

NOTE:

A passive loop exists when the wired device is not supplying power to the 4–20 mA loop. It is important to verify if the wired device is operating in active or passive mode.

Figure 11. Remote Mount Wiring Diagram for 4-Wire Passive Device

THUM Adapter

Remote Mount Housing

Red

Black

Green

 

Yellow

 

4-20 mA Loop +

 

 

 

 

 

 

 

White

 

 

 

 

4-20 mA Loop -

 

Ground

 

 

 

 

 

 

 

 

Shield Wire

 

 

 

+ COMM

To Wired Device

 

 

 

 

 

 

 

- COMM

 

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Emerson 00825-0100-4075 manual Remote Mount Wiring Diagram for 4-Wire Passive Device