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Enabling NLD function for a ATV61 drive



Issue: Enabling NLD function for a ATV61 drive

Product Line: ATV61

Environment: ALL ATV61 Drives

Cause:  Needs the NLD feature  for the ATV61 drive?

Resolution: The ATV61 has this feature in Menu 1.4 , under the Motor Control Type, select energy Savings ( NLD). The NOLD (no load) function: Reduces the voltage to the motor when selected for variable torque loads. A constant volts/Hz ratio is maintained during acceleration. The output voltage will then automatically adjust to meet the torque requirement of the load