Product Features

● Automatic restart after instantaneous power failure function with frequency search

Detection of coasting speed (frequency search function) prevents the motor speed from decreasing at a restart, starting the motor smoothly with less output current.

 ● Power-failure deceleration stop function/operation continuation at instantaneous power failure function

The motor can be decelerated to a stop when a power failure or undervoltage occurs to prevent the motor from coasting.
This function is useful to stop a motor at power failure as a fail safe of machine tool, etc.
With the new operation continuation function at instantaneous power failure, the motor continues running without coasting even if an instantaneous power failure occurs during ^*1

 ● Brake sequence mode ...... is useful for mechanical brake control of a lift.

 ● Regeneration avoidance function ...... prevents regenerative overvoltage in a pressing machine.

 ● Optimum excitation control ...... can save more energy with the maximum motor efficiency control.

 ● Main circuit power supply DC input ...... can be connected to DC power supply.

 ● Enhanced I/O terminal function ...... supports switchover of analog input (voltage / current).

 ● Password function ...... is effective for parameter setting protection.

and so on

• *1 : The inverter may trip and the motor may coast depending on the load condition.

Energy saving for fans and pumps

 ● Load pattern selection (Pr. 14)
Optimal output characteristics (V/F characteristics) for application or load characteristics can be selected.

 ● Optimum excitation control (Pr. 60)
With Optimum excitation control to achieve the highest motor efficiency, further energy saving can be achieved.