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Goals and Symptoms
Are there any data of speed precision for the ATV31-range. Need data to compare with ABB-drives. Is ATV31 competitive with ABB-drives with their DTC (direct torque control)-system ?
Facts and Changes
ATV31H...N4, 0,37 to 5,5kW, speed precision.
Causes and Fixes
It's the same like ATV58 in open loop, it's +/- 1%