Driving German pole change motor by inverter

I cannot tell whether or not you can drive the motor because the electrical specifications are not clear. 　It is considered that you may drive the pole chang... More Details >>

Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>

Auxiliary input power supply

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... 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 >>

Wire length between inverter and motor

1. Wiring length between the inverter and the motor should be 500 m or less. For 0.75 kW or lower motors, the following relationship is true: Capacity... More Details >>

Frequency display

When Advanced magnetic flux vector control (Pr.80, 81) is used, the machine speed constant is controlled. The inverter calculates the motor slip and compensa... More Details >>

FR-A7NCE connector

No, they are not connected inside the inverter. More Details >>

Installation environment

There is no regulation value. Use the inverters in the environment without corrosive gas. More Details >>

FR Configurator SW3 (CC-Link Seamless)

It is supports FR Configurator Ver.4.90 or later. More Details >>

FR-HC2

A current fluctuation may result in abnormal noise from the peripheral device or the flickering fluorescent light. More Details >>