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Wiring the channels
October 2023
3.4.3
Wire the mA/HART
externally powered)
Procedure
See the
Figure 3-10: mA/HART multidrop wiring
A. 250–600 Ω resistance
B. HART-compatible host or controller
C. HART-compatible transmitter (internally powered)
D. Micro Motion 4700 transmitter (internally powered) mA/HART connections
E. SMART FAMILY
F. 24 VDC loop power supply required for external transmitter
3.5
Wire mA Output 2/Discrete Output/Frequency
Output/ Discrete Input
Use this procedure to wire the externally-powered mA Output 2 and Discrete Input for
Channel B, and Frequency Output and Discrete Output for both Channel A and Channel B.
WARNING
Meter installation and wiring should be performed only by suitably-trained personnel
using the appropriate government and corporate safety standards.
Channel
A
B
A
B
B
28
multidrop installation (internally or
®
Figure 3-10
for information on wiring a mA/HART multidrop installation.
transmitters
™
Option
FO2
FO1
DO2
DO1
DI
Location
Wire the frequency output (internally powered)
Wire the frequency output (externally powered)
Wire the frequency output (internally powered (Channel B)
Wire the frequency output (externally powered Channel B)
Wire the discrete output (internally powered)
Wire the discrete output (externally powered) Channel A or
Channel B
Wire the discrete input (internally powered)
Wire the discrete input (externally powered)
Micro Motion 4700 CIO Transmitter
Installation Manual
00825-0100-5710
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