How to Connect the ShuntMon to the WatchMon Supervisor
ShuntMon works with WatchMonCORE, WatchMonPlus (WM5 & WM7), WatchMon 4 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 any WatchMon 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 to WatchMon
CAUTION: The Shunt cable / plug should only be plugged into the 4 pin Shunt connector on the WatchMon. Plugging into the CMU of the WatchMon instead should be avoided as this will likely damage the device in a non warranty manner.
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 |