Installation manual

18
Reference Manual
00809-0100-4075, Rev CA
Section 3: Mounting
March 2014
Mounting
Figure 3-6. Remote mount wiring diagram for 2-wire device with resistor
Figure 3-7. 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.
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

+ Power
- Supply
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
THUM Adapter
Green
Red
Black
White
Yellow
Power+
Power-
COMM+
COMM-
Power +
Supply-
Load Resistor 250
