Emerson Smart Wireless THUM Adapter Reference Manual page 30

Section 3: Mounting
March 2014
Figure 3-16. Remote mount wiring diagram for 4-wire active device with no 4-20 mA loop
Figure 3-17. THUM adapter only, powered by a 24 V power supply with 1200 Ohm resistor
22
THUM Adapter
Remote Mount Housing
Red
Black
Green
Ground
White
Yellow
+ COMM
- COMM
to limit current to 20 mA
THUM Adapter
Green
Red
Black
White
Yellow
Load Resistor 250
To Wired Device
Ground
250
1200
Ohm
Resistor
Ohm
Resistor
Required
Junction Box
Reference Manual
00809-0100-4075, Rev CA
+
24 V
Power
-
Supply
Mounting