Omron – CS1W‑DRM21‑V1 – CS Series DeviceNet Communication Unit (Master/Slave)

The Omron CS1W‑DRM21‑V1 is a high-performance DeviceNet communication unit for the CS-series PLC (CS1), enabling flexible and scalable field-level networking. It can function as both master and slave, handling remote I/O and message traffic efficiently while offering enhanced diagnostic and control features. DIN‑rail mountable, it is ideal for building distributed automation systems with robust connectivity.

Key Features:

• Model: CS1W‑DRM21‑V1 (CS-series DeviceNet unit)  

• Functionality: Dual master/slave capability; controls up to 32,000 I/O points (2,000 words) per master, supports simultaneous data transfer  

• DeviceNet Specs: Supports 125/250/500 kbps baud rates; trunk & T‑branch wiring; total network length up to 500 m at 125 kbps  

• Diagnostics & Management: Includes operation time counter, contact operations log, conduction monitoring, error logging, unit comments, and maintenance support via memory card  

• Installation: DIN-rail backplane mount; unit dimensions ~35 × 130 × 101 mm, weight 169 g  

• Power & Connections: 24 V DC device power; includes DIP switches for unit address and baud rate settings; also features DeviceNet connector  

• Compatibility: Works with Omron CS1 PLC and CJ1 series; supports FINS messaging over DeviceNet and I/O scanning