Inverter operation against power supply voltage drop

Depending on the load current, undervoltage protection (UVT) or instantaneous power failure protection (IPF) is triggered to shut off the inverter output, an... More Details >>

Long motor wiring

When you use a long wire between the inverter and motor, pay attention to the following: 1. Since the voltage supplied to the motor terminal is reduced due t... More Details >>

FR-A701

The AC reactor (FR-HAL) is built in the FR-A701. (The circuit type in the Harmonic Suppression Guidelines is three-phase bridge (capacitor smoothed), with re... More Details >>

Emergency stop of the FR-A800

For the V/F control and Advanced magnetic flux vector control, the FR-A800 stops only by Pr.1103 Deceleration time at emergency stop. Pr.815 is not affected. 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 >>

Inverter

You can use the Hioki Memory HiCorder and clamp-on AC/DC high tester.You can observe the inverter's frequency in one of the following two methods:1. Attach t... More Details >>

Position control

The servo motor provides the highest precision and response.With the vector inverter, position control using pulse train input ensures position control at pr... More Details >>

Installation of FR-BLF

The following benefits are provided when the FR-BLF is installed on the input side or output side.Choose the side to install the FR-BLF considering these ben... More Details >>

Fault contact state when input side power supply is cut off

The NC contact does not open when the power supply is cut off whether the inverter is operating or ceased.When the input side power supply is cut off, the DC... More Details >>

CC-Link

Did you purchase the FR-A7NC?If the front cover is supplied with the FR-A7NC E kit, it will fit. More Details >>