A-3-7 Connection Example - Omron NS Series Setup Manual

Appendix 3 Using NS-AL002 Converters
A-3-7 Connection Example
An example of connecting a PLC and a PT using an RS-232C/RS-422A Converter is
shown below. Use the wiring example as reference for correct wiring.
Built-in RS-232C
port on PCU unit
● Wiring Example
Note: Refer to A-3-6 Handling the Shield on RS-422A/485 Cables for information on processing
A-24
CPU Rack
RS-422A Converter
(CJ1W-CIF11)
the shield wire on the RS-442A/485 cable.
PT (unit No. 0)
RS-422A Converter
(NS-AL002)
1:N NT Link
PT (unit No. 1)
RS-422A Converter
(NS-AL002)