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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>
- No:21933
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Inverter drive of 400 V class motor
When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No:21926
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-B , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>
- No:22067
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Power factor improving effect by option
Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No:22020
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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Automatic overload control of inverter
The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No:21409
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-S500
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If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No:22052
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No:21549
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Resetting inverter after restoring from power failure
When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communication error occurs and the inverter trip... More Details >>
- No:21417
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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Output side earth (ground) fault overcurrent protection
1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No:21394
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-E500
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Digital input and maximum frequency
1. Pr.1 and 18 limit the output to 120 Hz. Use Pr.18 to change the maximum frequency. 2. If you want to output the binary input as is, setting Pr.304 = 1 (Bi... More Details >>
- No:22098
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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