Frequency setting

Adjust the terminal 2 bias with Pr.C2 and Pr.C3, and the terminal 2 gain with Pr.125 and Pr.C4. Set Pr.C2 (Terminal 2 frequency setting bias frequency) to 20... More Details >>

Model setting in FR-Configurator

Check the version of FR-Configurator (FR-SW3-SETUP-WJ). If the version is "1.00", it does not support or detect the FR-E740. Version "2.00" supports the FR-E... More Details >>

Error of the communication option

E.OP1 indicates the communication line error. E.1 indicates a hardware fault of the communication option. (It is judged as the hardware fault when the commun... More Details >>

Number of stations that can be set in FR Configurator

The station numbers that can be set differ depending on the version of FR-Configurator (FR-SW3-SETUP-WJ) setup software. For Ver.2.00 or later, station numbe... More Details >>

Applied terminal

As described in the instruction manual, use the shielded cable or twisted cable to avoid the influence of noises. More Details >>

FR-PA07

The adapter is not necessary. Only the dedicated cable FR-CB20□ is required. More Details >>

How can I calculate the processing torque from the measured power?

You can calculate the torque from the power. 　From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... 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 >>

Setting dial

Yes. You can use the setting dial of the inverter to set the frequency as well as change the parameter values. More Details >>

Frequency setting

From the LED, it is considered that the operation mode Pr.79 is set to "3".The PU and EXT LEDs turn ON with this setting.In this state, you cannot change bet... More Details >>