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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Inverter circuit breaker selection
Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the leakage current for the 400 V system ... More Details >>
- No:21429
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others , FREQROL-A500
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When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>
- No:21423
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Encoder feedback speed accuracy
The speed variation rate is as follows: - Encoder feedback control: ±0.2% - Vector control: ±0.02% (mentioned in FR-A5AP Instruction Manual) More Details >>
- No:21422
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No:21404
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
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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
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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Functions available when using inverter on CC-Link
You can use the regular terminal block wire functions during CC-Link operation. Set Pr.338 (Operation command source) and Pr.339 (Speed command source) to e... More Details >>
- No:21393
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Using FR-A540 inverter on CC-Link
Answer to question 1 When the CC-Link option goes faulty, OPT (option error) occurs and the inverter's fault output is triggered. When communication is lost ... More Details >>
- No:21391
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Countermeasures when input power supply is turned off upon equipment fault
1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since the CC-Link master station has the aut... More Details >>
- No:21390
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Is the number of writing times of the parameter memory limited?
1. The limit of the parameter writing is 100,000 times. 2. Parameter error occurs. Since the data in the ROM may be broken, the inverter may become unavailab... More Details >>
- No:21385
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Operation of the motor with a brake
For the general-purpose inverter, the motor stop cannot be detected accurately because the actual motor speed from a motor is not input. In general, the RUN ... More Details >>
- No:21375
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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