Emerson Micro Motion 1700 - RS-485 Point-To-Point Wiring; HART Multidrop Wiring

7.3 RS-485 point-to-point wiring
RS-485 point-to-point wiringFigure 7-3:
B
C
A
RS-485A
RS-485B
A. Other devices
B. Primary controller
C. Multiplexer
7.4 HART multidrop wiring
Tip
For optimum HART communication, single-point ground the output loop to an instrument-grade
ground.
I/O wiring for Model 1700 and Model 2700 transmitters with analog outputs
Installation Manual 79