Smart wireless thum adapter, Quick installation guide – Emerson 00825-0100-4075 User Manual
Page 12
Quick Installation Guide
00825-0100-4075, Rev DA
July 2011
Smart Wireless THUM Adapter
12
Figure 14. Direct Mount Wiring Diagram for 4-Wire Active Device
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.
Figure 15. Remote Mount Wiring Diagram for 4-Wire Active Device
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
THUM Adapter
Green
Yellow
White
Black
Red
Input
Card
Po
w
e
r+
Po
w
e
r-
COMM
+
COMM
-
Load Resistor
250
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
Load Resistor
250
Input
Card
4075_QIG_Rev_DA.fm Page 12 Wednesday, July 27, 2011 8:50 AM