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September 2020
6
Wiring diagrams
Figure 6-1: Direct Mount Wiring Diagram for 2-Wire Device
A. THUM Adapter
B. Wired device
C. Ground
D. Splice connector
E. Load resistor ≥ 250 W
F. Power supply
Note
In order for the THUM Adapter to function properly there must be at least
250 Ohms resistance in the loop. If the 4–20 mA loop does not have the
required resistance, wire a resistor as shown in
Figure 6-11
Quick Start Guide
A
Green
Red
Black
White
Yellow
as applicable.
B
C
4 -20 mA Loop +
4 -20 mA Loop -
D
- PWR/COMM
+ PWR/COMM
Figure 6-3,Figure
Quick Start Guide
F
E
6-7, or
11
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