Part No: CJ2M-CPU31
| Program capacity | 5 K steps |
| Data memory capacity | 64 K words |
| Logic execution time | 0.04 µs |
| Max. number of expansion units | 40 |
| Max. number of local I/O points | 2560 |
| Number of built-in digital I/Os | 0 |
| Communication port(s) | EtherNet/IP, Ethernet TCP/IP, USB |
| Height | 90 mm |
| Width | 62 mm |
| Depth | 84.5 mm |
| Product Weight (unpacked) | 190 g |