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CJ1W-ETN21 — Omron Omron CQM1H / CPM / CJ1M communication module
Phase-out · 2027
CJ1 Ethernet unit, 100Base-TX/10Base-T, one RJ45 port, FINS and sockets.
Key specifications
| Port | 1 x RJ45 |
|---|---|
| Speed | 10/100 Mbit/s |
| Protocols | TCP/IP, UDP/IP, FTP, SMTP, FINS |
| Compatible with | CJ-series CPU rack (CPU Bus Unit) |
What it is and where it's used
The CJ1W-ETN21 is an Omron communication module from the Omron CQM1H / CPM / CJ1M range. Typical applications: CJ-series control panels, machine automation. The manufacturer is phasing this part out, so supply from new is getting harder.
What to check before ordering
- Full model number including supply voltage and output type
- CPU or unit version, and any memory cassette or battery
- Whether the machine program is backed up, as a replacement may need it loaded
- Special I/O or communication units attached
If you are unsure, send us a photo of the label on the existing unit with your request and we will check it against the part number.
Condition (new surplus, refurbished or used), warranty and delivery time are confirmed on your quote. Sparesure is independent and not an authorised distributor of Omron. Independence notice.
Request a quote
We'll come back with price and delivery within 4 working hours. No payment is taken at this stage.
Other parts in the Omron CQM1H / CPM / CJ1M range
| Part number | Type | Status |
|---|---|---|
| CPM1A-30CDR-A-V1 | CPU | Discontinued |
| CQM1H-CPU21 | CPU | Discontinued |
| CQM1H-CPU51 | CPU | Discontinued |
| CQM1H-CPU61 | CPU | Discontinued |
| CJ1G-CPU44P | CPU | Discontinued |
| CJ1M-CPU12 | CPU | Discontinued |
| CJ1M-CPU12-ETN | CPU | Discontinued |
| CJ1M-CPU22 | CPU | Discontinued |