Emerson Smart Wireless THUM Reference Manual page 26

Smart Wireless THUM Adapter
Figure 3-11. Direct Mount Wiring
Diagram for 4-Wire Active
Device
Figure 3-12. Remote Mount
Wiring Diagram for 4-Wire
Active Device
3-8
THUM Adapter
Green
Yellow
White
Black
Red
NOTE:
An active loop exists when the wired device is supplying the power to the 4-20
mA loop. It is important to verify if the wired device is operating in active or
passive mode.
THUM Adapter
Red
Black
Green
Ground
White
Yellow
4-20 mA Loop +
4-20 mA Loop -
Wired Device
Ground
Remote Mount Housing
+ COMM
- COMM
Shield Wire
Input
Card

Load Resistor 250
Reference Manual
00809-0100-4075, Rev BA
October 2010
Splice Connector
4-20 mA Loop +
4-20 mA Loop -
Input
Card

Load Resistor 250
To Wired Device