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Is a Special Cable Needed When Using an Omron PLC and an Ethernet-to-Serial Converter?


Last Update: 11/12/2018

Because Omron PLCs are sensitive to signals on the control lines, it is recommended that users create a custom cable to connect from the converter to the PLC communications port. Kepware tested this pinout with Digi converters and Lantronix converters, and found that a null modem adapter may sometimes be needed.

PC PLC
2---------2
3---------3
5---------9

Related Products
Omron Host Link, Omron Suite

Related Protocols
Omron Host Link