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September 2020
Figure 6-9: Direct Mount Wiring Diagram for 4-Wire Active Device
A. THUM Adapter
B. Wired device
C. Ground
D. Splice connector
E. Load resistor ≥ 250 Ω
F. Input card
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.
Quick Start Guide
A
Green
Yellow
White
Black
Red
B
D
C
Quick Start Guide
+
F
-
E
19
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