Particle Monitor One, Manual

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The functions of the pins on the M12 8-pin connector are dependent on your base board, but the
following pinouts are recommended:
Conn P1 (M12) Conn P2 (PHR-8) Color Function
2 1 Red VIN (6-30 VDC)
8 2 Black Ground
6 3 Pink RS485_P
5 4 Gray RS485_N
1 5 White CAN_P
7 6 Blue CAN_N
4 7 Yellow 0-10V input
3 8 Green 4-20mA input
Round Rectangular
Enclosure Expansion Card
Cable length: 60 ±5 mm
Wire gauge: 24 AWG
M12 8-pin connector, A-coded
The standard M12 connectors are IP67 waterproof (connected or not), 12 mm in diameter, and have
8 pins or 4 pins. However, M12 connectors are available from 2 pin to 17 pins. The connectors with
smaller numbers of pins often have higher voltage and current ratings.
The panel-mount 8-pin connector on the Monitor One is female, with the following pinout:
Looking at the bulkhead connector from outside the enclosure
The panel mount M12 8-pin connector fits in the following hole in the enclosure:
M12 CONNECTORS