| Description | Remarks | Order code |
| High-speed data collection and storage unit, with CF card slot and Ethernet port | CPU bus unit | CJ1W-SPU01-V2 |
| Pulse I/O option module for CJ2M CPU Units, 2 encoder inputs, 2 pulse outputs | NPN (sinking) outputs | CJ2M-MD211 |
| Pulse I/O option module for CJ2M CPU Units, 2 encoder inputs, 2 pulse outputs | PNP (sourcing) outputs | CJ2M-MD212 |
| CompactFlash memory card, 128 MB, for all models (not required for operation) | Industrial grade | HMC-EF183 |
| CompactFlash memory card, 256 MB, for all models (not required for operation) | Industrial grade | HMC-EF283 |
| CompactFlash memory card, 512 MB, for all models (not required for operation) | Industrial grade | HMC-EF583 |
| CompactFlash PC-Card adapter | - | HMC-AP001 |
| I/O terminal block (40-pt.) for CJ1M-CPU2_/CJ2M-MD21_ | Push-in | XW2R-P40G-T |
| I/O terminal block (40-pt.) for CJ1M-CPU2_/CJ2M-MD21_ | Clamp | XW2R-E40G-T |
| I/O terminal block (40-pt.) for CJ1M-CPU2_/CJ2M-MD21_ | M3 Screws | XW2R-J40G-T |
| Connection cable between I/O terminal block and CJ1M-CPU2_/CJ2M-MD21_ ( ____ = length in cm) | MIL (40 pt) | XW2Z-____FF-L |
| Servo unit terminal block for 1 axis | - | XW2B-20J6-8A |
| Servo unit terminal block for 2 axes | - | XW2B-40J6-9A |
| SMARTSTEP cable for CJ1M-CPU2_/CJ2M-MD21_, cable length: 1 m | - | XW2Z-100J-A26 |
| W-series servo cable for CJ1M-CPU2_/CJ2M-MD21_, cable length: 1 m | - | XW2Z-100J-A27 |
| CX-One, integrated software for programming and configuration of all Omron control system components | - | CX-ONE-AL__C-E |
| Connection cable, D-Sub 9-pin PC serial port to PLC peripheral port (length: 2.0 m) | - | CS1W-CN226 |
| Connection cable, D-Sub 9-pin PC serial port to PLC peripheral port (length: 6.0 m) | - | CS1W-CN626 |
| USB to serial conversion cable | - | CS1W-CIF31 |
| RS-232C Option Board 1 1. Only used with CJ2M-CPU3_ | - | CP1W-CIF01 |
| RS-422A/485 Option board 1 1. Only used with CJ2M-CPU3_ | - | CP1W-CIF11 |
| RS422A/485 (isolated) Option board 1 1. Only used with CJ2M-CPU3_ | - | CP1W-CIF12 |
| Battery Set 2 2. Included with the CPU unit | - | CJ1W-BAT01 |
| USB Programming cable | - | CP1W-CN221 |
