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CJ1W-PNT21

Omron CJ1W-PNT21 CJ Series CompoNet Communication Unit

SKU: CJ1W-PNT21

CompoNet slave unit for CJ1 PLC industrial network connectivity

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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: CJ1
  • I/O: 128 I/O

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 CJ1
Network Type CompoNet
Communication Speed 4 Mbps max
I/O Words Up to 128 words
Connection 4-wire CompoNet bus
Topology Bus, tree, or free topology
Max Nodes 64 nodes
Communication CJ1 backplane
Current Consumption 150mA at 5VDC
Weight Approx. 130g

FAQ for CJ1W-PNT21

What is CompoNet?
CompoNet is Omron high-speed industrial network for distributed I/O and device-level communication.
How many CJ1W-PNT21 units can be used?
Up to 64 CompoNet nodes can be on one network, including multiple CJ1W-PNT21 units.
Does it support free topology?
Yes, CompoNet supports free topology allowing flexible wiring layouts including star, bus, or mixed configurations.

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