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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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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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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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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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The servo motor provides the highest precision and response.With the vector inverter, position control using pulse train input ensures position control at pr... More Details >>
- No:22036
- 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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Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No:21401
- Release Date:2018/08/22 16:27
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What happens if reset occurs during operation?
This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No:21477
- Release Date:2018/08/22 16:27
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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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