4.4 Wiring to external devices (HART multidrop)
You can wire up to three external HART devices with the meter. The following information
provides wiring diagrams for making those connections in safe and hazardous
environments.
4.4.1 Wire mA1 in a HART multi-drop environment
Figure 4-3: Wire mA1 in a HART multi-drop environment
250 Ω
24 VDC
mA1+
HART
A
B
C
E
D
A. HART Device 1
B. HART Device 2
C. HART Device 3
D. Meter (mA+/HART output)
E. HART/Field Communicator
Wiring Installation Manual
May 2019 MMI-20020989
48 Micro Motion Fork Density Meter
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