Driving two motors with different capacities

It is OK to drive motors by switching the electromagnetic contactor on the inverter's output side.It is also OK if the motor capacity is small. However, if t... More Details >>

Single-phase power supply drive

For a single-phase 200 V power supply, you can use the FR-E520S series for up to 0.75 kW motor.If you use the three-phase 200 V power supply inverter with a ... More Details >>

External frequency selection

When all of the multi-speed input signals are turned OFF during external operation, the output frequency conforms to the external analog frequency command (i... More Details >>

Countermeasure against harmonics

The following countermeasure against harmonics is available with the inverter.The values are quoted from the harmonic suppression guidelines.1. Insert the AC... More Details >>

Availability of parameter unit

You cannot use the FR-PU04 with the FR-HC. More Details >>

Manual contactor on output side of drive unit

The low-voltage manual contactor is intended to prevent electric shock during inspection and maintenance of the drive unit.The MELIPM series motor is a synch... More Details >>

Brake unit selection

Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to use BU. Just remove the jumper from ... More Details >>

Control method

1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>

Built-in potentiometer and current input switching control

For setting the frequency, you cannot switch between the operation panel potentiometer and current input from an external source.To switch between the extern... More Details >>

Changing parameters

Before you change Pr.7 and Pr.8, you must switch to the PU operation mode. Switch to the PU operation mode and change them. More Details >>