"Err" displayed at power-ON

This error is displayed when the inverter and operation panel FR-PU04 cannot communicate with each other correctly or the reset signal remains ON. Therefore,... More Details >>

Energy consumption

Using a general-purpose inverter to drive a three-phase induction motor can save energy under the following two types of loads (application): 　　1. Constant-t... More Details >>

Accuracy of inverter terminal FM

The pulses output from the inverter terminal FM are not completely synchronized with the inverter output frequency. The pulse circuit from the terminal FM an... More Details >>

Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>

Installing magnetic contactor on input side of inverter

Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>

I want to shorten deceleration time of small capacity motor

You can use an inverter with a larger capacity than the motor. You cannot connect a brake resistor to the FR-E520-0.1K and 0.2K. With the FR-E520-0.1K or 0.2... More Details >>

Direct driven start by power supply

The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is indicated in the precautions at the be... More Details >>

Functions available when using inverter on CC-Link

You can use the regular terminal block wire functions during CC-Link operation. 　Set Pr.338 (Operation command source) and Pr.339 (Speed command source) to e... More Details >>

Operation of the motor with a brake

For the general-purpose inverter, the motor stop cannot be detected accurately because the actual motor speed from a motor is not input. In general, the RUN ... More Details >>

Countermeasure against the instantaneous power failure with the inverter

The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>