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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 ...

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%

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