Power supply ON/OFF

1. It is OK to open MC on the output side while the inverter is operating.2. It is OK to open the input side in case of emergency stop. More Details >>

Using built-in potentiometer and multi-speed together

Yes. Set Pr.79 = 3. (Input the start signal from an external source.) More Details >>

400 Hz output setting

Change Pr.18 (High speed maximum frequency) to 400 Hz.If you are using the analog command to set the frequency, calibrate the 400 Hz frequency with Pr.903. More Details >>

Power supply phase sequence

No problem.The inverter converts AC power into DC power and then into AC (PWM) power output again. Therefore, it is not influenced by the power supply phase ... More Details >>

Applicable motors

In addition to the dedicated motor (SF-VR series), the SF-JR series motor with an encoder can be used. You can also use a standard motor by combining it with... More Details >>

Small capacity vector inverter dedicated motor

We offer 5.5 kW or higher SF-VR dedicated motors and do not offer small capacity (3.7 kW or lower) motors. If you need small capacity (1.5 kW to 3.7 kW), use... More Details >>

Torque characteristic at low speed

Torque is not guaranteed for slower than 0.5 Hz. Therefore, no data for this is published. Also, no torque is generated at 0 Hz. More Details >>

Countermeasure against inverter noise

You can attach the following filters to the inverter input side:- Line noise filter (FR-BLF, FR-BSF01)- Radio noise filter (FR-BIF) 　While it is a good idea ... More Details >>

Speed does not exceed 46 Hz

Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding the winding machine by hand, it is con... More Details >>

Meaning of OL display (2)

Yes. "OL" is displayed under speed control whenever the torque limit is reached without regard to the rated torque. More Details >>