Selection method of the reactor

For the use of the 400 V class inverter, the surge voltage suppression filter FR-ASF is provided to suppress the surge voltage occurred at the motor terminal... More Details >>

Dealing with Err.

The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2. Operation panel contact or operatio... More Details >>

Operation under torque limit in the speed control mode

Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>

Are conventional parameter units still available?

The key sheet fixed to the inverter is used for operation. Therefore, the conventional parameter unit cannot be used. (There is no connector to connect it.)O... More Details >>

Application to general industrial purpose

You can use the inverter for a general industrial purpose, but you must be very careful because the functions are tailored to fans and pumps. 　(for example, ... More Details >>

Electronic thermal O/L relay setting

When using multiple motors, connect an external thermal for each of them. Set Pr.9 to "0" to disable the function. (When multiple motors are present, it is n... More Details >>

FR-Configurator

Yes, you can use the setup software (FR-SW3-SETUP-WJ) to set it.　　 More Details >>

Frequency setting

You can use the setting dial to set the frequency during operation even if Pr.77 is not set to "2".Setting Pr.77 to "2" allows for changing the parameter set... More Details >>

Frequency setting

You can change the terminal 4 to voltage input. (The terminal 4 is set to the current input terminal at the initial setting.)To change the terminal 4 to volt... More Details >>

CC-Link

The FR-A7NC is designed for the FR-A700, FR-F700, and FR-F700P.The FR-A7NC E kit is designed for the FR-E700 with the dedicated cover. (Only the dedicated co... More Details >>