Vector control of the inverter

The speed fluctuation ratio under Advanced magnetic flux vector control of the FR-A500 is as follows. Without encoder: ±1% With encoder (with A5AP): ±0. 02 %... More Details >>

Inverter UL and CSA standard product document

The certificate of the standard product is managed by the branch office. Please ask the nearest branch office. More Details >>

Selection method of the reactor

For the use of the 400 V class inverter, the surge voltage suppression filter FR-ASF is provided to suppress the surge voltage occurred at the motor terminal... More Details >>

Inverter control power supply

The FR-E540 uses common input for the control power supply and main circuit power supply. (It has only one power supply input terminal.) Therefore, you canno... More Details >>

Priority of multi-speed setting and frequency setting signals

For frequency setting, multi-speed setting is prioritized over current input. Therefore, when the multi-speed signal is input, the inverter switch to multi-s... More Details >>

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 >>

Stall mode

Since the stall prevention function works during acceleration and the inverter does not reach the commanded speed, set Pr.156 (Stall prevention operation sel... More Details >>

Noise filter

We offer DC reactors from 0.4K and you can use it. 　You can use FR-BIF, FR-BSF, and FR-BEL together. More Details >>

Static torque

When a vector inverter is used for position control, the servo lock works when it is stopped. When the start signal (STF or STR) is turned ON, the servo lock... More Details >>

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 >>