Key facts
- Brand
- Omron
- Model
- CJ1W-EIP21
- Category
- Industrial Robot
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-11-05
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OMRON CJ1W-EIP21 EtherNet/IP Unit Operation Manual for NJ-series CPU Unit
This manual provides step-by-step instructions for installing, wiring, configuring, and communicating with the CJ1W-EIP21 EtherNet/IP Unit when used with NJ-series CPU Units. It is intended for engineers and technicians familiar with electrical systems and IEC 61131-3 or JIS B3503 programming standards. The manual includes sections on network setup, IP address configuration, device variable assignment, and troubleshooting.
The document assumes the user has a CJ1W-EIP21 Unit version 2.1 or later and an NJ-series CPU Unit version 1.01 or later, with Sysmac Studio version 1.02 or higher. It also references related manuals for motion control, EtherCAT, and error management.
OMRON CJ1W-EIP21 specifications
| Unit Model | CJ1W-EIP21 |
|---|---|
| Compatible CPU Unit | NJ-series CPU Unit |
| Minimum Sysmac Studio Version | 1.02 |
Source: OMRON CJ1W-EIP21 EtherNet/IP Unit Operation Manual for NJ-series CPU Unit
All OMRON CJ1W-EIP21 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum version of the NJ-series CPU Unit required?
The NJ-series CPU Unit must be version 1.01 or later.
From: OMRON CJ1W-EIP21 EtherNet/IP Unit Operation Manual for NJ-series CPU Unit
What Sysmac Studio version is required?
Sysmac Studio version 1.02 or higher is required.
From: OMRON CJ1W-EIP21 EtherNet/IP Unit Operation Manual for NJ-series CPU Unit