Cable for C-Series PLC to HMI
OMRON Australia and New Zealand sell a prefabricated cable for connection of RS-232 between a C-Series PLC and an HMI. This cable will suit HMIs such as NB series and NS series.
The part number is CABLE-101 2m for a 2m length cable. Below is the wiring diagram if you wish to make your own cable. Maximum RS232 cable length is 10m for a good quality, shielded cable.