Omron CJ1W-DRM21 CJ Series DeviceNet Communication Unit

Omron CJ1W-DRM21 DeviceNet Communication Module

The Omron CJ1W-DRM21 is a DeviceNet communication unit for CJ1 series programmable logic controllers, providing seamless connectivity to DeviceNet industrial field networks. DeviceNet is a popular CAN-based network standard widely used in industrial automation for connecting sensors, actuators, drives, and PLCs. The CJ1W-DRM21 operates as a DeviceNet slave device, allowing the CJ1 PLC to exchange data with remote I/O modules, smart sensors, and other DeviceNet-compatible devices on the network. The module supports both explicit messages and I/O polling for flexible data exchange. With high-speed communication up to 500 kbps, the CJ1W-DRM21 provides fast data exchange suitable for time-critical applications. The module supports multiple I/O connection types for flexible data mapping between the network and PLC memory. LED status indicators provide at-a-glance monitoring of network status and communication activity. Easy configuration through CX-Programmer allows quick setup of network parameters and I/O mapping. The CJ1W-DRM21 supports both thick and thin cable media, providing installation flexibility. Applications include distributed I/O systems, conveyor control, packaging machinery, material handling systems, and any application requiring network-connected I/O with Omron devices.