1． Introduction; 2． Function - Toshiba TOSVERT VF-AS1 Instruction Manual

Light-load high-speed operation

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E6581327

1． Introduction

Thank you for your purchase of the Toshiba inverter "TOSVERT VF-AS1".

This instruction manual explains the light-load high-speed operation of VF-AS1.

2． Function

The light-load high-speed operation is used to increase the operating efficiency of the machine by

increasing the rotational speed of the motor when it is operated under light load.

This function is useful for constant-torque load applicaions which repeatedly drive light and heavy loads,

such as lifts and transfer equipment.

Since VF-AS1 has the learning function for the light-load high-speed operation, it can be easily adjusted

by executing the forward run (raising) or reverse run (falling) operation. (f328=3, 4 only)

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