Particle Monitor One, Manual

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Label Details
1 Prototyping area
2 Power LED (LED1)
3 RESET and MODE buttons
4 QWIIC (I2C) connector
5 RS-485 120 ohm termination resistor enable (JP3)
6 RS-485 pull-up resistor (JP4)
8 RS-485 pill-down resistor (JP5)
9 CAN_5V LED (LED3)
10 Relay energized LED (LED2)
11 CAN termination resistor enable (JP9)
12 CAN termination capacitor enable (JP10)
13 Slow-signal input (12-24V) powered (LED4)
14 M12 8-pin solder jumpers, location for prototyping wires
16 Connector to M12 8-pin
17 Slow-signal input (12-24V) and GND
18 Relay COM and NO (normally open)
19 Access to expansion card signals
20 Access to expansion card signals
The M12 4-pin bulkhead connector has flying leads that are connected to the screw terminals (18)
as follows:
| M12 Pin | Color | Card | | :---: | :---: | :--- | :---: | | 1 | Red | INPUT | | 2 | Green | COM | | 3 | Black | GND | | 4
| Blue | NO |
I/O CARD DETAILS
CUSTOMIZING THE I/O CARD