Rs485 Terminal Arrangement And Connection - Omron MX2 Series User Manual

8 Communications Functions
8-2 RS485 Terminal Arrangement and
Connection
The communications terminals are arranged as follows.
RS- S7 S6 S5 S4
RS+ MP RP FS FV
RS485 terminal
External equipment
(Master)
3G3MX2 (No.1)
*1. If the communications are unstable, install a terminating resistor appropriate to the impedance of the cable to
each cable end. The resistance of the terminating resistor built into this inverter is 200 Ω.
8 - 4
S3 S2 S1 SC PSC P24
FI SC AM PC P2 P1
RS+ RS−
RS+ RS−
3G3MX2 (No.2)
200 Ω
RS+ RS−
3G3MX2 (No.3)
Multi-function Compact Inverter 3G3MX2-V1 User's Manual (I585-E1)
USB port is intended
for computer only.
RS422 (RJ45 modular
connector) port is for
Digital Operator use
only.
Terminating resistor
selector switch
*1
RS+ RS−
200 Ω
3G3MX2 (No.n)