Emerson THUM - Page 19

Figure 6-9: Direct Mount Wiring Diagram for 4-Wire Active Device
A
Green
Yellow
White
Black
Red
B
COMM + COMM - Power + Power -
C
D
E
F
+
-
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.
September 2020 Quick Start Guide
Quick Start Guide 19