Omron CQM1H-CPU21 CPU Unit

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The Omron CQM1H-CPU21 CPU Unit is a rack-mounted PLC CPU designed for CQM1H systems, delivering centralized machine control and automation logic processing with a 3200-word program capacity. It provides approximately 2K words of data memory and uses cyclic scan processing to coordinate inputs and outputs across packaging machines, conveyor systems, assembly lines, and other small-to-medium production equipment that require reliable PLC control. An integral peripheral port supports computer interfaces for programming and monitoring, and the unit is expandable through CQM1H I/O modules to accommodate evolving automation needs. Power is supplied via the base unit, and the operating temperature range is 0°C to 55°C, making it suitable for many industrial environments. The CPU unit is intended for use by maintenance teams, OEMs, and system integrators for system control, replacement, retrofit, and maintaining automation performance. Common replacements include the Omron CQM1H-CPU51, CQM1H-CPU61, and CJ1M-CPU11 to consider for compatibility in upgraded or legacy setups. Applications span material handling, food processing, and production lines where dependable PLC control is essential for consistent and efficient operation. Show more