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FAQ within [ FREQROL-A700 ]
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Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting to the rotation speed. More Details >>
- No:21161
- Release Date:2018/08/22 16:26
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They are not output while the motor is coasting even under Vector control. More Details >>
- No:21158
- Release Date:2018/08/22 16:26
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The AC reactor (FR-HAL) is built in the FR-A701. (The circuit type in the Harmonic Suppression Guidelines is three-phase bridge (capacitor smoothed), with re... More Details >>
- No:21011
- Release Date:2018/08/22 16:25
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It is not activated because the function itself is disabled. More Details >>
- No:21137
- Release Date:2018/08/22 16:26
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The leakage current is 1 mA because the circuit constant in the EMC filter of A720-0.4K and 0.75K are different. More Details >>
- No:21120
- Release Date:2018/08/22 16:26
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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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For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or more to the open collector terminal of... More Details >>
- No:21188
- Release Date:2018/08/22 16:26
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"□□□□□" in the model name of the FR-A700 series and FR-F700 series with the multiple ratings is as follows. "□□□□□" in the model name of the FR-A700 series a... More Details >>
- No:20993
- Release Date:2018/08/22 16:25
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Real sensorless vector control
The FR-A700 supports Real sensorless vector control. More Details >>
- No:21714
- Release Date:2018/08/22 16:29
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Turn ON and OFF the RES signal to enable the inverter-driven operation. More Details >>
- No:21190
- Release Date:2018/08/22 16:26
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