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FAQ within [ FREQROL-A800 ]
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When it is required to keep the safety of the inverter and the system against unauthorized access from external devices via the network, take countermeasures... More Details >>
- No:20883
- Release Date:2018/08/22 16:24
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It is not possible because the RS-485 terminal block is not installed. Use the FR-A800 (RS-485 communication type) when performing the RS-485 communication. More Details >>
- No:20881
- Release Date:2018/08/22 16:24
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Setting values of the FR-F800 when replaced with the FR-F400
The performance and noise countermeasure were improved and the initial value is set to "8". Try with the initial value "2" first. If the noise is distracting... More Details >>
- No:20808
- Release Date:2018/08/22 16:24
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Operation mode switch of the FR-A800/F800
When Pr.551 is set to "3" (Command right to the USB connector at the PU operation), or when the USB is connected, the operation is not switched. More Details >>
- No:20861
- Release Date:2018/08/22 16:24
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The RJ-45 compatible connector (LAN cable), switching hub, and others are required The auto detection of the connection devices, externally monitoring the in... More Details >>
- No:20882
- Release Date:2018/08/22 16:24
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The length within 30 m is recommended. When the wiring length is long, signals may not be received accurately due to the increased inductance. More Details >>
- No:20995
- Release Date:2018/08/22 16:25
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It is said that the EEPROM has a lifetime of 100,000 write cycles. When the data is written every time the frequency changes, the life of the EEPROM may not ... More Details >>
- No:20996
- Release Date:2018/08/22 16:25
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Life measurement of the main circuit capacitor
No. Turn OFF and ON both main circuit and control circuit. More Details >>
- No:20999
- Release Date:2018/08/22 16:25
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Do not remove the jumper of the R1 and S1 when inputting the control circuit power supply from the external 24 V power supply (connecting across the terminal... More Details >>
- No:21074
- Release Date:2018/08/22 16:25
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Power supply harmonics countermeasure
Use a high power factor converter FR-HC2 or reactor as needed. More Details >>
- No:21115
- Release Date:2018/08/22 16:26
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