Omron C200H-LK201-V1 Host Link Unit is a communication module for Omron C200H PLC systems that enables RS-232C serial communication between the PLC and external devices such as PCs, HMIs, and SCADA systems via the Host Link protocol. Mount it rack-mounted on the C200H backplane; it draws about 5V DC from the PLC. Its dimensions are approximately 96 × 192 × 42 mm and it weighs about 0.5–0.6 kg. Used for PLC communication and data exchange in manufacturing, process control, and machine automation, it supports direct PLC-to-PC communication, remote monitoring, and integration with supervisory control systems. Lifecycle status is discontinued/obsolete.
