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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Switching between PU and NET operation modes
Set Pr.340 (Communication startup mode selection) to "10".The operation mode can be switched between PU and NET by assigning X65 (PU-NET operation switching)... More Details >>
- No:21878
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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The following amount of heat is generated under the 100% load. (The same amount for both the 200 V and 400 V classes. The amount of heat generated by the bui... More Details >>
- No:21568
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-V200
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Frequency monitor display fault
This can occur if the parameter unit window display is set to "Frequency setting value". If the screen display selection (first monitored window) is set to "... More Details >>
- No:21526
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A200
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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 >>
- No:21502
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-V200
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The operation cannot be manually switched to the commercial power supply operation at an inverter fault. The operation can be automatically switched to the c... More Details >>
- No:21191
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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It is protected not by observing the temperature directly, but by estimating it from the current value, output frequency, and carrier frequency. More Details >>
- No:20871
- Release Date:2018/08/22 16:24
- Category: Inverters-FREQROL , FREQROL-A700
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1. By changing RWw1 while RYD is ON, you can change the inverter's frequency.You cannot do this with RYE. You need to turn OFF and then ON RYE each time you ... More Details >>
- No:22083
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Inverter's heat generation quantity
The heat generation quantity while the inverter is outputting the rated current is as follows:1. FR-A520-3.7K: 230 W2. FR-A520-7.5K: 420WThe heat generation ... More Details >>
- No:22057
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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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
- Category: Inverters-FREQROL , FREQROL-V200
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Real sensorless vector control
For tuning of a single motor with no load, set Pr.96 to "101". When a load is connected, set Pr.96 to "1" (without motor rotation). Since Real sensorless vec... More Details >>
- No:21325
- Release Date:2018/08/22 16:27
- Category: FREQROL-A700
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