In sourcing discussions, CJ1W-EIP21 is often placed next to Siemens PLC, Omron Photoelectric Sensor and Nx1P2 1040Dt1 so procurement teams can align budgets and technical requirements effectively.
Omron CJ1W-EIP21 Programmable Logic Controller
The Omron CJ1W-EIP21 Programmable Logic Controller (PLC) is an EtherNet/IP Unit supporting 100 Mbps full-duplex communication with 128 UDP connections and 256 tag sets. It provides cyclic data exchange for real-time control and support for TCP/IP and UDP/IP protocols. The unit offers diagnostic and automatic address settings for network stability. Manufactured by Omron, part of the Omron Programmable Logic Controller family, available under the Omron CJ1W Series.

| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CJ1W-EIP21 |
| Specification | Value |
|---|---|
| Product name | EtherNet/IP Unit |
| I/O system | CJ I/O Bus |
| Expansion unit type | CPU Bus Unit |
| Number of words allocated | 25 words |
| Unit No. | 0 to F |
| Maximum number of Units | 5 |
| Current consumption (5 V) | 0.41 A |




