Filter
Top Products
Quick Installation Guide
00825-0100-4075, Rev BA
February 2010
Smart Wireless THUM Adapter
10
Figure 10. Direct Mount Wiring Diagram for 4-Wire Passive Device
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
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
Power +
Power -
THUM Adapter
Green
Red
Black
White
Yellow
Power+
Power-
4-20 mA/HART +
4-20 mA/HART -
Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire
4075_QIG_Rev_BA.fm Page 10 Friday, February 19, 2010 11:08 AM