CS1W-CN226 is a programming cable for Omron CS, CJ, CQM1H, and CPM2C series PLCs that uses an RS232 port. The cable has a 9-pin female connector to connect to a PC and a 10-pin iron port to connect to the PLC.
CS1W-CN226 / 626 Pinout

CS1W-CN226 VS CS1W-CN118
CS1W-CN226 is an Omron cable that connects the peripheral port directly to the computer 232 port
CS1W-CN118 is an adapter that converts the peripheral port to the RS232 port, you need to add XW2Z-200S-CV, which is connected to the computer 232 port with the cable