The Omron CQM1-IA221 is an 8-point AC input unit for the CQM1 PLC family, designed to accept 200–240 VAC signals. It draws 6 mA and provides eight input points for wiring sensors, switches, and other digital devices to a CQM1 controller. This module expands a CQM1 system's input capability while maintaining compatibility with Omron's CQM1 hardware lineup.
