The lifetime of EEPROM write

It is said that the EEPROM has a lifetime of 100,000 write cycles. When the data is written every time the frequency changes, the life of the EEPROM may not ... More Details >>

SC type (with an encoder) of the SF-PR

Use the FR-V7CBL5/15/30 as using it with the vector motor SF-V5RU connection. 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 >>

Coasting operation of the inverter

To use an inverter using the external contact coast to stop (to shut off the inverter's output), short-circuit the terminals MRS and SD.For CC-Link operation... More Details >>

Output phase loss protection error

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) phase current is lost.- Possibility of... More Details >>

Advanced magnetic flux vector control

To use Advanced magnetic flux vector control, basically set Pr.9, Pr.80, Pr.81, Pr.71, and Pr.800.Auto tuning is necessary in some cases. Set Pr.83, Pr.84, a... More Details >>

CC-Link

The inverters FR-A200 and V200 do not support CC-Link. (The FR-A500 series supports CC-Link.) Use the open collector output and relay output card when combin... More Details >>

Fault display

"E.OV3" is displayed when the voltage between the inverter terminals PN rises abnormally high while the inverter is decelerating or stopped. In this case, th... More Details >>

Vector motor

The constant-torque motor and vector motor are the induction motors, which consist of the stator core, gap, and rotor core. For the constant-torque motor, th... More Details >>

Frequency meter and calibration resistor

Frequency meter: YM206NRI 1 mA Calibration resistor: RV24YN 10 k?. More Details >>