Safety light curtain controllers connect to robots and presses via M12 8-pin connectors carrying power, OSSD safety outputs, test signal, and muting inputs according to IEC 61496 safety standards.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 24V DC supply brown | PWR |
| 2 | OSSD2 | Safety output 2 white | I/O |
| 3 | GND | Ground blue | GND |
| 4 | OSSD1 | Safety output 1 black | I/O |
| 5 | TEST | Test input gray | I/O |
| 6 | MUTE1 | Muting input 1 pink | I/O |
| 7 | MUTE2 | Muting input 2 yellow | I/O |
| 8 | EDM | External device monitoring red | I/O |