Relationship between frequency and load current

If the load is heavy and the output current is higher than the control value, you can adjust Pr.22 (Stall prevention operation level) to trigger the stall pr... More Details >>

Cycle operation mode, continuous operation mode, torque characteristic selection

When using a motor with an encoder by performing auto tuning, you need to choose the operation mode or continuous operation mode depending on the application... More Details >>

Parameter unit display

Setting Pr.37 to the machine speed at 60 Hz switches the frequency monitor to the rotations per minute monitor.Note that the speed setting must be input in a... More Details >>

FR Configurator2

The display language of Developer is different between the Japanese version of FR Configurator2 (Ver.1.08 or later) and the English version of it (Ver.1.08 o... More Details >>

FR-A800

Since the lower limit has been internally set, the setting value of 3 % or less is recognized as 3%. More Details >>

Wiring length

In the FR-A800/F800, the restriction on the wiring length of the shielded cable is eliminated. The wiring length is up to 500 m as is the case with the unshi... More Details >>

FR-A700

The leakage current is 1 mA because the circuit constant in the EMC filter of A720-0.4K and 0.75K are different. More Details >>

Part selection

1. Choose the circuit breaker based on the inverter capacity. 2. Also, choose the brake resistor based on the inverter capacity. 3. Choose the AC reactor bas... More Details >>

What parameters (settings) are available?

The following three functions can be set: - Acceleration/deceleration time- Electronic thermal O/L relay- Maximum frequencyThe parameter unit is not used but... More Details >>

Rated motor current setting

No. the torque cannot be limited by using Pr.9.Set Pr.277 (Stall prevention current switching) to "1".The value of Pr.22 (Stall prevention operation level) w... More Details >>