The Omron CQM1-LK501 PLC communication module is a dependable and efficient data transmission unit designed for industrial automation systems within the Omron CQM1 series. Utilizing an RS-485 interface, it supports two-wire semi-duplex bidirectional communication, enabling fast and stable data transfer at speeds of up to 187.5 kbps over distances of up to 200 meters. The CQM1-LK501 features 64 I/O points and includes an external output equipped with a G6D SPST-NO relay for reliable signal control. Operating with a low power consumption of 150 mA at 5 VDC, the module ensures energy-efficient performance while maintaining robust communication stability. Engineered for easy wiring and integration, the CQM1-LK501 could be implemented in automation systems across North America, Europe, Asia, and other global markets, offering Omron’s proven reliability in secure and high-speed industrial data communication.