M12 4-pin flow sensors detect liquid or gas flow rates via pulse output or analog signal, with the M12 connector providing standard wiring for integration with PLCs and flow monitoring systems.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | Supply voltage brown | PWR |
| 2 | NC | Not connected white | I/O |
| 3 | GND | Ground blue | GND |
| 4 | OUT | Flow rate pulse or analog output black | BUS |
M12 4-pin flow sensors detect liquid or gas flow rates via pulse output or analog signal, with the M12 connector providing standard wiring for integration with PLCs and flow monitoring systems.