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How to connect the ShuntMon to the WatchMon supervisor
ShuntMon works with WatchMonElite, WatchMonPlus, 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 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 |
| Pin | Colour | Function |
| 1 | spare | |
| 2 | Red | Battery Positive |
| Pin | Function |
| LEFT | Battery load - to inverter/charger |
| RIGHT | Battery Neg - from cells |
Connection on WatchMon
The shunt cable is plugged into the shunt connector as shown below. With WatchMon1 the wires are screwed in therefore extra care should be taken getting the wiring sequence correct.
| Pin | Colour | Function |
| 12 | Red | 5vdc supply |
| 13 | Green | RX from Shunt |
| 14 | Yellow | TX to Shunt |
| 15 | Black | Ground |