Catalogue → Omron → CJ-series communications unit (CJ1W)
CJ1W-SCU21-V1
Omron · Communications module · CJ-series communications unit (CJ1W) confirmed
The Omron CJ1W-SCU21-V1 is a communications module in the CJ-series communications unit (CJ1W) range. Serial communications unit, 2 x RS-232C.
What CJ1W-SCU21-V1 sells for
No auction result recorded for this part yet. We publish hammer prices only where we have watched a lot through to close — never an estimate in their place.
See CJ1W-SCU21-V1 listed on eBay → Asking prices, not sold prices. We may earn a commission.
| Manufacturer | Omron |
|---|---|
| Family | CJ-series communications unit (CJ1W) |
| Category | Communications module |
| Without separators | CJ1WSCU21V1 |
| Notes | serial communications unit, 2 x RS-232C; verified: Omron CJ1W-SCU Serial Communications Units data sheet (ia.omron.com) |
What changes what CJ1W-SCU21-V1 is worth
Same catalogue number, different money. These are the attributes that separate two otherwise identical CJ1W-SCU21-V1 units — check each one before you quote or bid.
Series letter
Series letter on the label. Later series are not always backward compatible and sell for more.
Printed on the label, usually right after the catalogue number, as "SER A".
Firmware revision
Firmware/FRN revision. Buyers match it to an existing project; a mismatch can make the unit useless to them.
On the label as "FRN" or "FW", and on the module's own display if it powers up.
Tested or untested
Tested / as-is / new-in-box. The single biggest multiplier on used price.
Not on the plate. It comes from whoever pulled the unit, and it moves the price more than anything printed.
Questions
What is a CJ1W-SCU21-V1?
The Omron CJ1W-SCU21-V1 is a communications module in the CJ-series communications unit (CJ1W) range. Serial communications unit, 2 x RS-232C.
What changes what a CJ1W-SCU21-V1 is worth?
Two CJ1W-SCU21-V1 units with the same catalogue number can be worth different amounts. What separates them: series letter, firmware revision, tested or untested. Series letter on the label. Later series are not always backward compatible and sell for more. Firmware/FRN revision. Buyers match it to an existing project; a mismatch can make the unit useless to them. Tested / as-is / new-in-box. The single biggest multiplier on used price.
Where do you find the series or revision on a CJ1W-SCU21-V1?
Series letter: Printed on the label, usually right after the catalogue number, as "SER A". Firmware revision: On the label as "FRN" or "FW", and on the module's own display if it powers up. Tested or untested: Not on the plate. It comes from whoever pulled the unit, and it moves the price more than anything printed.
Who makes the CJ1W-SCU21-V1?
Omron makes the CJ1W-SCU21-V1. The same equipment is sold and labelled as Omron, OMRON, Omron Corporation, Sysmac, SYSMAC.