CX-One, CX programmer, NTST, Syswin ....
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I have old plc Omron C20H. I want make cable for communication between PLC and PC. I use syswin 3.4 software. When I connect PLC to PC and start syswin i get answer "incompatible PLC". I think that problem in pinout serial cable. I need pinout cable for C20H. DB-9 connector on both side.