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