Wire the discrete input (externally powered)
Procedure
Wire to the appropriate input terminal and pins.
Note
Use external powered for voltage signals input to the 4700 DI.
Figure 3-21: Discrete input wiring (externally powered)
A. Discrete input
B. Channel B
C.
30 VDC (maximum)
Note
• Maximum positive threshold is 3 VDC.
• Minimum negative threshold is 0.6 VDC.
3.6 Wire the RS-485 output (Channel C)
Use this section to wire the RS-485 output in explosion-proof, nonincendive, or
nonhazardous installations.
Procedure
Wire to the appropriate output terminal and pins.
Figure 3-22: RS-485 output wiring
A. RS-485 output
Note
The transmitter does not provide any RS-485 termination resistance.
Wiring the channels Installation Manual
October2023 00825-0100-5710
36 Micro Motion 4700 CIO Transmitter