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CJ1W-PNT21

Omron CJ1W-PNT21 CJ Series CompoNet Communication Unit

SKU: CJ1W-PNT21

USD 445.00

Omron CJ1W-PNT21 is a CompoNet communication unit for CJ series PLCs, enabling CompoNet network connectivity for distributed I/O.

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Product Overview

The Omron CJ1W-PNT21 is a CompoNet communication unit for CJ1 series programmable logic controllers, providing seamless connectivity to CompoNet industrial field networks. CompoNet is Omron high-speed, flexible network technology designed for distributed I/O and device-level communication in industrial automation systems. The CJ1W-PNT21 operates as a CompoNet slave device, allowing the CJ1 PLC to exchange data with remote I/O modules, sensors, and other CompoNet-compatible devices on the network. The module supports both digital and analog I/O data exchange over the CompoNet network, enabling efficient distributed control architectures. With high-speed communication up to 4 Mbps, the CJ1W-PNT21 provides fast data exchange suitable for time-critical applications. The module supports multiple I/O words 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-PNT21 supports both round and free topology network wiring, 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.

  • SKU: CJ1W-PNT21
  • Series: CJ1W

Best-Fit Applications

  • Distributed I/O systems
  • Conveyor control networks
  • Packaging machinery integration
  • Material handling systems
  • Process automation
  • Machine building
  • Factory floor networks
  • Remote I/O expansion

Buying Checklist

  • High-speed CompoNet connectivity
  • Flexible network topology
  • Digital and analog support
  • Easy I/O mapping
  • LED diagnostics
  • Standard CJ1 compatibility
  • Proven Omron network technology
  • Simplified wiring

Technical Specifications

Model CJ1W-PNT21
Series CJ1W
Type CompoNet Communication Unit
Protocol CompoNet
Baud Rate 125/250/500 kbps
Max Nodes 64 nodes
Max Distance 500m (at 125kbps)
Connection 5-pin terminal block
Current Consumption 200mA at 5VDC
Compatible CPUs CJ1M, CJ1G, CJ1H, CJ2M, CJ2H
Operating Temperature 0 to +55°C
Mounting CJ series backplane

FAQ for CJ1W-PNT21

What's CompoNet used for?
CompoNet is device-level network for connecting I/O, drives, sensors to PLC. Common in packaging, material handling industries.
How many nodes can this unit support?
Up to 64 nodes on CompoNet network. Includes all devices: remote I/O, drives, sensors. Each node requires unique MAC ID (0-63).
What's the maximum cable length?
Depends on baud rate: 500m at 125kbps, 250m at 250kbps, 100m at 500kbps. Use thick cable for trunk, thin cable for drops.
Do I need to configure this unit?
Yes, configure in CX-Programmer: set baud rate, MAC ID, I/O allocation. Configuration downloads to CPU. Unit auto-recognizes connected CompoNet devices.

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