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Omron CJ1 · DeviceNet Module

Omron CJ1W-DRM21

Normal sale of the CJ1W-DRM21 has ended. Spares may still be available, but the clock is running.

  1. Active RolloutSold and supported normally
  2. Phase OutRetirement announced, still orderable
  3. CancellationNormal sale ended, spares may remain
  4. Total DiscontinuationNo manufacturer supply or repair

ECS stage: Cancellation. Omron's published term: Discontinued; production has ended on 2026-10-01.

Is the Omron CJ1W-DRM21 discontinued?

The CJ1W-DRM21 has been cancelled (since October 2026): no longer sold as a current product, though spares may remain available for a period.

Source: Omron Industrial Automation Europe. Last checked . Always confirm a specific part's status with the manufacturer before buying or planning a migration.

What Cancellation means for you

You can no longer order it as a normal product, and nothing new should be designed around it. If machines depend on it, you want spare stock you can rely on and a migration plan. Both start with knowing how many you run.

How ECS defines Cancellation · all four lifecycle stages

Before replacing it

A replacement decision starts with understanding how the existing machine uses the part, not simply finding something with a similar specification. We would document the electrical interfaces, configuration, software dependencies and surrounding components before choosing an alternative.

That establishes whether the part can genuinely be swapped or whether the change reaches into a wider section of the control system, and turns an obsolete-spare problem into a planned engineering task with a tested recovery route.

ECS engineering guidance

CJ1W-DRM21 part details

Manufacturer
Omron
Range
CJ1
Name
Omron DeviceNet Card
Summary
DeviceNet unit for CJ-series PLCs that can act as a DeviceNet master or slave.

Common questions about the CJ1W-DRM21

Is the Omron CJ1W-DRM21 discontinued?

The CJ1W-DRM21 has been cancelled (since October 2026): no longer sold as a current product, though spares may remain available for a period.

Can I still buy a CJ1W-DRM21?

Not as a normal new product. Remaining distributor stock or designated spares may still be available. Buy any you need now.

An ECS engineer capturing a control panel on a tablet: PLC, drive and power supply identified and synced to Command Centre

Know where every unit is before one fails.

A Capture audit finds every CJ1W-DRM21 on your site, photographs it where it sits and checks it against manufacturer lifecycle status, so you know your exposure and where your spares are before a failure stops a line.

  • Every device located, photographed and lifecycle-checked
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

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