Frequency setting

The calibration parameter C6 (Terminal 4 frequency setting bias) is initially set to "20%". Therefore, voltage input to the terminal 4 does not become effect... More Details >>

Frequency manual controller FR-AX

Considering voltage drop of the internal power supply and influence by noise, the wiring length should be 30 m or less. More Details >>

Operation mode setting

To enable the frequency setting with the setting dial and multi-speed setting, set Pr.79 to "3". Note that multi-speed setting is prioritized over setting us... More Details >>

Frequency setting

If Pr.79 (Operation mode) is set to "0" (PU/EXT switching mode), press the PU/EXT button on the operation panel to turn on the PU LED.Turn the setting dial t... More Details >>

Using external potentiometer and multi-speed operation together

You can use an external potentiometer and multi-speed operation together.When an external potentiometer signal input and multi-speed setting occur simultaneo... More Details >>

Communication fault occurs

The possible causes are as follows. While the inverter power supply is turned ON, inserting the modular jack to the connector with the operation panel remove... More Details >>

Reverse rotation prevention selection

Yes, it does. When the inverter is coasting in the reverse direction, it starts in the reverse direction and switches to the forward rotation after a deceler... More Details >>

Rated frequency setting

Check that Pr.3 (Base frequency) is set to "200 Hz". Adjust Pr.0 (Torque boost) as necessary. More Details >>

RS-485 communication

Blinking of the "RUN" LED on the panel suggests that the frequency command may not be input. Create a frequency setting data as for the forward rotation comm... More Details >>

Offline auto tuning

Auto tuning can be performed because the motor is one rank lower than the inverter capacity. More Details >>