OMRON CJ1W-DRM21 SYSMAC Module

The OMRON CJ1W-DRM21 is a DeviceNet Unit, which is a communication module for Omron’s SYSMAC CJ1 series of Programmable Logic Controllers (PLCs). It allows the CJ1 PLC to act as a DeviceNet Master and/or Slave, enabling communication with a wide range of industrial devices on a DeviceNet network.

Key Specifications and Features:

• Product Type: DeviceNet Communication Unit (Master and Slave functionality).
• Compatibility: Designed for use with Omron’s CJ1 and CJ2 series PLCs. It is also compatible with the NJ series of Machine Automation Controllers.
• Communications:
  • Baud Rate: Supports 500 Kbps, 250 Kbps, and 125 Kbps.
  • Topology: Supports multi-drop and T-branch connections.
• Configuration: Configuration is done using Omron’s support software, such as CX-Integrator, which is part of the CX-One software suite.
• Power Supply: Requires an external 24 V DC power supply for the network.

Common Applications:

The CJ1W-DRM21 was a core component for integrating Omron CJ1 PLCs into DeviceNet networks. Connecting PLCs to a variety of field devices such as sensors, actuators, motor starters, and VFDs on a DeviceNet network.