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FAQ within [ FREQROL-V200 ]
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"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you continue operation with "OL" is displaye... More Details >>
- No:21449
- Release Date:2018/08/22 16:27
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Operation under torque limit in the speed control mode
Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>
- No:21483
- Release Date:2018/08/22 16:27
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Automatic restart after instantaneous power failure
The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999", the encoder detects the speed of th... More Details >>
- No:21642
- Release Date:2018/08/22 16:28
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Yes. "OL" is displayed under speed control whenever the torque limit is reached without regard to the rated torque. More Details >>
- No:21448
- Release Date:2018/08/22 16:27
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Power factor improving effect by option
Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No:22020
- Release Date:2018/08/22 16:30
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Energy saving effect of inverter operation
Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For example, to control air volume of an air co... More Details >>
- No:21622
- Release Date:2018/08/22 16:28
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Automatic restart after instantaneous power failure
1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>
- No:21942
- Release Date:2018/08/22 16:30
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Inverter drive of 400 V class motor
When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No:21926
- Release Date:2018/08/22 16:30
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By adopting Mitsubishi proprietary digital vector control, high torque (150% 60 sec) and fast-response (speed loop 200 rad/sec) are achieved. The speed contr... More Details >>
- No:21664
- Release Date:2018/08/22 16:28
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Difference from general-purpose inverter
While the inverter uses open-loop (V/F) control, it uses semi-closed loop vector control (constant current control). This enables output of stable torque esp... More Details >>
- No:21659
- Release Date:2018/08/22 16:28
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