Particle Monitor One Manual page 10

I/O Card
The Monitor One is designed with easy-to-use expansion headers and an enclosure with sufficient
space inside for an expansion card, and for additional expansion connector through the wall of
enclosure.
The Monitor One Developer's Edition includes the I/O Card, which includes:
Feature
VIN
CAN Bus
RS485 (Modbus)
4-20 mA input
0-10V analog input
12-24V slow-signal input M12 4-pin
Relay
QWIIC connector
I/O CARD M12 8-PIN TO FLYING LEADS
The Monitor One includes a M12 8-pin male to flying leads cable, 1500±20mm (about 60 inches or 5
feet). This is used to power the Monitor One, and also use the 4-20mA, 0-10V analog in, CAN bus,
and RS485 (Modbus) interfaces.
Location Details
M12 8-pin Power input, 6 - 30V DC
M12 8-pin
M12 8-pin
M12 8-pin
M12 8-pin
Opto-isolated
M12 4-pin 30VDC 2A maximum
expansion card 3.3V I2C