Installation manual

26
Reference Manual
00809-0100-4075, Rev CA
Section 3: Mounting
March 2014
Mounting
Figure 3-24. Wiring diagram for 4-wire active device with resistor
Figure 3-25. Wiring diagram for 4-wire active device with no 4-20 mA loop
Figure 3-26. Wiring diagram for THUM adapter as router, no wired device
The 1200 Ohm resistor should be adequately rated for the application (3W minimum).
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
Power +
Power -
THUM Adapter
Green
Yellow
White
Black
Red
Power+
Power-
4-20 mA/HART -
4-20 mA/HART +
Resistor
Splice Connector
Wired Device
Ground
Power +
Power -
THUM Adapter
Green
Yellow
White
Black
Red
Power+
Power-
4-20 mA/HART -
4-20 mA/HART +
Resistor
THUM Adapter
Red
Green
Black
White
Ground
250
Ohm
1200
Ohm
Resistor
Yellow
24V
Power
Junction Box