Wiring te load on AiLi battery monitor
I just got an AiLi monitor and am wondering if I can wire the shunt between the battery and converter, at the converter? It would make placing the meter a lot easier.
Forum Discussion
Don't know what shunt monitor system you may have had problems with,
But the ones I installed, used separated sensing wires pair (shunt to meter), and meter power wires pair, worked perfectly with shunt in the positive main path,
Power for the meter/monitor should always come from separate wires going directly to the battery, to always supply and isolated power path, even better from a separate power supply and not the battery be measured
But the ones I installed, used separated sensing wires pair (shunt to meter), and meter power wires pair, worked perfectly with shunt in the positive main path,
Power for the meter/monitor should always come from separate wires going directly to the battery, to always supply and isolated power path, even better from a separate power supply and not the battery be measured
FWC wrote:
You cannot put the shunt for the battery monitor on the positive terminal of the battery! While theoretically the shunt can go on either side of the battery, practically the shunt is also providing the negative for the power supply for powering the meter itself. If you put it on the positive terminal, and the power lead to the negative terminal you will have provided reverse polarity to the monitor.
Furthermore, if you put the shunt on the positive lead, you have a high common mode voltage, which makes measuring the voltage drop across the shunt more difficult.
