Applied motor selection

As the motor operates with the electronic thermal O/L relay characteristics for the standard motor, the thermal error occurs if the motor continuously operat... More Details >>

Peripheral device selection

1. Select the circuit breaker and MC in accordance with the inverter type.2. Select the power factor improving reactor in accordance with the motor output. More Details >>

Using existing potentiometer by replacing inverter

It is OK if the resistance value of the speed varying potentiometer's resistance is 2 kΩ.Use the speed varying potentiometers used with the existing inverter... 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 >>

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 >>

Influence by PHS

PHS does not cause the inverter to malfunction.On the contrary, if you use PHS near an inverter or motor, communication over PHS may become noisy or even get... More Details >>

Current value monitor indicator

The measurable frequency range and measurement precision of the inverter's output current greatly differ depending on the measurement instrument.Check with t... More Details >>

Inverter stop-on-contact control

Use the FREQROL-A500 series inverter with the optional FR-A5NC.Then, you can implement both of stop-on-contact control and CC-Link operation. More Details >>

FR-A8AY

The response delay time is 10 ms normally and 100 ms at startup. More Details >>

Switching time of the FR-A800 control

20 ms or less is required to switch the control with the MC signal. More Details >>