Appendix 4 Using NT-AL001 Converters
• When the converter unit is connected to a C200HX/HG/HE (-ZE), CQM1H, CS1G/H
model of OMRON PLC as an RS-422A device, set DIP switches SW1-5 and SW1-6 as
indicated below.
A-4-5 Pin Arrangement
The converter unit has a terminal block for an RS-422A/485 interface connection and a
connector for an RS-232C interface connection.
The pin arrangements for the RS-422A/485 terminal block and the RS-232C connector
are as follows.
RS-422A/485 Terminal Block
RS-232C Connector
A-29