Omron CJ1M-CPU11 connection to Siemens OP27

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Anonymous

We have a project where the client wants to connect a OMRON CJ1M CPU11 PLC to a Siemens OP27 HMI. We'd like to use RS232 and the pinout detailed on the Siemens support site is for a RS422 cable. Would anyone have a pinout for the RS232 cable?
 
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