Dancer control during CC-Link communication

It is not possible under the dancer control. When the negative data is written, it is handled as the positive data in operation. Example) When Pr.541 is set ... More Details >>

DC reactor

The 75K or higher DC reactor is included in the 75K or higher inverter. The option cannot be purchased separately. More Details >>

RS-485 communication

It is available since June, 2007. The model is FR-E7TR. More Details >>

Using FR-A540 inverter on CC-Link

Answer to question 1 When the CC-Link option goes faulty, OPT (option error) occurs and the inverter's fault output is triggered. When communication is lost ... 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 >>

Current value monitor

The current value can be displayed on the operation panel without regard to the setting of monitor-related parameters. As the current value remains 0 A, the ... More Details >>

Compressor

You can use an inverter for fan and pump with the compressor, but it is not recommended for an application that the motor load rapidly increases. 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 >>

Compatibility with Y-△ motor and others

1. You can connect them using △ connection. 2. No problem with connecting four Y-△ motors. (Connect all four motors using △ connection.) (Note that the inver... More Details >>

Speed fluctuation

I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with the load fluctuation 0 to 100% is:Wit... More Details >>