Catalogue → Omron → CJ-series basic I/O unit (CJ1W)
CJ1W-MD231
Omron · PLC I/O module · CJ-series basic I/O unit (CJ1W) confirmed
The Omron CJ1W-MD231 is a PLC I/O module in the CJ-series basic I/O unit (CJ1W) range. 32-point mixed I/O unit.
What CJ1W-MD231 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-MD231 listed on eBay → Asking prices, not sold prices. We may earn a commission.
| Manufacturer | Omron |
|---|---|
| Family | CJ-series basic I/O unit (CJ1W) |
| Category | PLC I/O module |
| Without separators | CJ1WMD231 |
| Notes | 32-point mixed I/O unit; verified: Omron CJ1W-MD Mixed I/O Units data sheet (ia.omron.com) |
What changes what CJ1W-MD231 is worth
Same catalogue number, different money. These are the attributes that separate two otherwise identical CJ1W-MD231 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".
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-MD231?
The Omron CJ1W-MD231 is a PLC I/O module in the CJ-series basic I/O unit (CJ1W) range. 32-point mixed I/O unit.
What changes what a CJ1W-MD231 is worth?
Two CJ1W-MD231 units with the same catalogue number can be worth different amounts. What separates them: series letter, tested or untested. Series letter on the label. Later series are not always backward compatible and sell for more. Tested / as-is / new-in-box. The single biggest multiplier on used price.
Where do you find the series or revision on a CJ1W-MD231?
Series letter: Printed on the label, usually right after the catalogue number, as "SER A". 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-MD231?
Omron makes the CJ1W-MD231. The same equipment is sold and labelled as Omron, OMRON, Omron Corporation, Sysmac, SYSMAC.