Register LCR in ATV600/ATV900 is in fixed point format. According to drive rating there are 2 or 1 or 0 decimal digits.

So, the unit is:
up to 15 kW : 0.01A;
18kW to 160kW : 0.1A;
220kW and more : 1A;

The reason for this is limited range of the register and accuracy of AD converters.

Publié pour: Schneider Electric Belgium