Omron Corporation CQM1H-PLB21 Pulse I/O Module

The Omron CQM1H-PLB21 Pulse I/O Module expands Omron CQM1H PLC systems with high-speed pulse input and output processing for motion control, positioning, and encoder feedback. As a PLC expansion module, it mounts directly to Omron CQM1H controllers and interfaces with servo systems, encoders, and positioning devices to deliver reliable pulse-train and encoder signal handling in packaging machinery, conveyors, indexing tables, and automated production equipment. This module supports direct connection to the CQM1H Series, enabling precise timing and coordination of high-speed pulses for motor control and positioning applications in industrial automation environments. Common replacements include Omron CJ1W-CTL41 Position Control Module, Omron CQM1H-CTB41 Counter Module, and Omron CJ1W-NC213 Position Control Unit.