KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

[vastLos]

Just take an amp-meter and measure the drawn current under load, then calculate back the Cal_a value. Perhaps at different loads to get an averaged value.

regards
stancecoke

• Battery Current cal a: Factor a in the calibration function. ADC value = calA * Battery current + calB. calB is measured automatically at starup. Required for internal calculation of the current from the 10bit ADC value. For a 6FET and 12FET controller the value has to be something around 100, for the 18FET about 50.\

Does this mean the ADC value has to be 100? That would be the only way to calculate back the calA with the battery current and calB. Is battery current the maximum battery current seen delivered by the battery?

 

[vastLos]

Drawn current of total when throttle? Drawn current idle?