Can I use a motor of which capacity is larger than the inverter capacity?

Even when the actual load (torque) is half of the motor capacity, the current output from the inverter to the motor is not reduced to the half. Therefore, it... More Details >>

Communication operation with FR-E500

We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different protocol from 485 communication and st... More Details >>

Difference between FR-AU01 and AU01A

The major changes from FR-AU01 to FR-AU01A include 1. Case material and 2. Lead wire terminal process method. The FR-AU01A has a backward compatibility with ... More Details >>

Noise filter

We offer DC reactors from 0.4K and you can use it. 　You can use FR-BIF, FR-BSF, and FR-BEL together. More Details >>

Countermeasure against harmonics

Perform calculation given in the harmonic suppression guidelines, and if the limit value is exceeded, you may also need to insert the ACL. Note that you cann... More Details >>

Multi-speed operation

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>

"Err" is displayed when STF signal turns ON

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>

Parameter list

The setting memo of the parameter list seal is not provided with the FR-A500 Instruction Manual. More Details >>

Auxiliary input power supply

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... More Details >>

Number of years of service life designated by law

The number of years of service life of the inverter is not designated by law. More Details >>