Machine I/O board carrying the discrete inputs and outputs between the CNC and the machine PLC. Every channel toggled and read back on a test jig.
| Compatible systems | Fanuc 0i-MD, Fanuc 21i |
| Condition | Used — pulled from a working machine, tested before dispatch |
| Warranty | 30 days functional |
| Lead time | Ships in 3–5 business days |
| Weight | ~0.5 kg |
| Board family | A20B |
| I/O points | 96 DI / 64 DO |
| Output type | Sink (NPN), 24 V DC |
| Image note | FANUC brand logo — product photo unavailable. |