How to connect the ShuntMon to the WatchMon supervisor

ShuntMon works with either WatchMon4 and WatchMon1 and typically comes in your starter kit with a cable labelled “yellow”, connect the cables as per photos below:

Follow the picture below as the wiring diagram: 

  • Maximum Battery Voltage = 650v DC
  • Current = 500A

Shuntmon can be connected to either WatchMon1 or Watchmon4 using the same wiring sequence:Shuntmon can be connected to either WatchMon1 or Watchmon4 using the same wiring sequence.

Connection to Shuntmon

Communication 4 pin port:

Pin Colour Function
1 Red Isolated 5vdc supply
2 Green Isolated TX to WatchMon
3 Yellow Isolated RX from WatchMon
4 Black Isolated Ground
Voltage sense 2 pin port:
Pin Colour Function
1 spare
2 Red Battery Positive
Battery Current terminals
Pin Function
LEFT Battery load - to inverter/charger
RIGHT Battery Neg - from cells

Connection on Watchmon

Terminal strip connections are as follows:
Pin Colour Function
12 Red 5vdc supply
13 Green RX from Shunt
14 Yellow TX to Shunt
15 Black Ground

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