CS1W-CIF31 USB-Serial Conversion Cable connects an OMRON PLC (Programmable Controller) or PT (Programmable Terminal) to a personal computer's USB port. CS1W-CN226 RS232 interface adapt for CS/CJ/CQM1H/CPM 2C etc.series cable CQM1-CIF02 OMRON CPM1/CPM1A/2A/CQM1/C200HS/C200HX/HG/HE and SRM1 series PLC programming cables