Wiring the channels
March 2024
Connection example for cases where a barrier is required
A. Hazardous area
B. Safe area
C. 2-wire cable power and signal
D. Barrier
E. 4-20 mA
F. mA receiving device
G. HART variables
H. Distributed Control System (DCS)
I. Emerson AMS Trex communicator
3.2
Available channels
Signal
Channel A
Wiring
1
terminals
mA
4-20 mA loop powered (HART
outputs
Note
Remember when using the second configurable output (Channel B), all power to the
electronics is still supplied over the primary 4 - 20 mA signal wiring (Channel A).
3.3
Barriers verified by Micro Motion
The following table lists the barriers that Micro Motion has verified with the 4200
transmitter. For other barriers, refer to the manufacturer's data sheet.
Table 3-1: Barriers verified by Micro Motion
Vendor
Micro Motion
24
Channel B
2
3
)
(Optional licensed channel)
®
Configurable as passive 4-20mA / Frequency Output /
Discrete Output
Barrier
505
Installation Manual
MMI-20058013
4
Micro Motion 4200 2-Wire Transmitter
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