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FAQ within [ FREQROL-A700 ]
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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
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Automatic restart after instantaneous power failure
The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) is set in Pr.57. The terminals CS and ... More Details >>
- No:21255
- Release Date:2018/08/22 16:26
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Since Advanced magnetic flux vector control is chosen, the inverter calculates how much the motor rotation slips from the flowing current and adds the slip a... More Details >>
- No:21684
- Release Date:2018/08/22 16:28
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The signals MRS and CS are required when the automatic bypass sequence enabled. More Details >>
- No:21187
- Release Date:2018/08/22 16:26
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You cannot monitor the running frequency and conveyor speed (machine speed) simultaneously.The inverter does not have a function to output them simultaneously. More Details >>
- No:21827
- Release Date:2018/08/22 16:29
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Connection cable of FR-Configurator
The following USB connectors are available.For FR-A700: USB B connector (B receptacle)For FR-E700: USB Mini-B connector (Mini-B receptacle) Use the USB cable... More Details >>
- No:21317
- Release Date:2018/08/22 16:27
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When running the inverter in Advanced magnetic flux vector control, the frequency setting value is increased by the amount of the motor's slippage, resulting... More Details >>
- No:21801
- Release Date:2018/08/22 16:29
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Advanced magnetic flux vector control
Check the parameters necessary for tuning again.Check if Pr.9 (Electronic thermal O/L relay) and Pr.81 (Number of motor poles) are set correctly. More Details >>
- No:21754
- Release Date:2018/08/22 16:29
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Set Pr.55 (Frequency monitoring reference) of the first inverter to 70 Hz. More Details >>
- No:21257
- Release Date:2018/08/22 16:26
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The 75K or higher DC reactor is included in the 75K or higher inverter. The option cannot be purchased separately. More Details >>
- No:21252
- Release Date:2018/08/22 16:26
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