Electronic bypass function

No, it cannot be normally closed contact. When the electronic bypass function is used, the setting of Pr.17 is disabled. More Details >>

Cumulative power monitoring

They are cleared as well. More Details >>

Communication EEPROM write selection (Pr.342)

They are cleared by the RES signal from the external terminals or inverter reset from the communication. More Details >>

Connection cable of FR-Configurator

The following USB connectors are available.For FR-A700: USB B connector (B receptacle)For FR-E700: USB Mini-B connector (Mini-B receptacle) Use the USB cable... More Details >>

Real sensorless vector control

For tuning of a single motor with no load, set Pr.96 to "101". When a load is connected, set Pr.96 to "1" (without motor rotation). Since Real sensorless vec... More Details >>

Megger test

When carrying out the megger test of the inverter, shorten all the terminals R, S, T, U, V, and W of the main circuit and use the 500 VDC megger for earth. D... More Details >>

Notes on using single-phase 200 V

With the single-phase 200 V input specifications, the input cable current increases. Therefore, choose larger power supply capacity and NF/MC than three-phas... 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 >>

General-purpose magnetic flux control

Almost same control method. This control also performs vector calculation and divides the inverter's output current into an excitation current and into a tor... More Details >>

Terminal

For an inverter with the terminal AU, use the terminal AU. For other inverters, assign the AU function to an unused terminal. And, short-circuit (turn ON) th... More Details >>