| Specification | Details |
|---|---|
| Manufacturer | OMRON |
| Product family | CJ2M Series |
| Model | CJ2M-CPU12 |
| Product type | PLC CPU Unit |
| Program capacity | 10K steps |
| Data memory | 64K words |
| Data memory configuration | DM: 32K words + EM: 32K words × 1 bank |
| Maximum I/O capacity | 2,560 points |
| Maximum expansion units | 40 units |
| Maximum expansion racks | 3 expansion racks |
| Built-in digital I/O | None |
| Communication ports | RS-232C serial + USB programming port |
| Logic execution time | 0.04 µs (40 ns) |
| CPU connector | 9-pin D-sub male for serial port |
| Product dimensions | Approx. 90 × 31 × 84.5 mm (H × W × D) |
| Weight | Approx. 130 g |
| PLC mounting system | CJ-series backplane/rack system |
| Typical use | Machine automation, process control, factory automation |
| Status | OMRON Japan currently lists it as a standard-stock |