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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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When consuming the regenerative power with the brake resistor, the brake transistor is triggered at a certain voltage to make the brake resistor use the rege... More Details >>
- No:22074
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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Negative phase of input power supply
The power supplied to the inverter is converted into DC by the converter inside the inverter and then stored in the capacitor. Thus, reversing the phase sequ... More Details >>
- No:22055
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Installing frequency setting potentiometer
When you are inputting analog signals, install the potentiometer within 30 m from the inverter. (Refer to "Precaution on Selection and Operation" on the cat... More Details >>
- No:22051
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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To supply power via R1 and S1, 60 VA or higher is necessary for 22K or lower and 80 VA or higher is necessary for 30K to 55K.Note that the rush current of ap... More Details >>
- No:22043
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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1. You can implement stop-on-contact.2. When implementing stop-on-contact, use the inverter to decelerate the motors to reduce the impact upon stop-on-contac... More Details >>
- No:22041
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Relationship between frequency and output torque
The output torque characteristics of the FREQROL-E500 series are shown in the figure below. Figure 1 More Details >>
- No:22024
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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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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Inverter selection when driving multiple motors
When driving multiple motors with a single inverter, determine the inverter capacity in one of the following two methods:1. When driving multiple motors conn... More Details >>
- No:22007
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Earth leakage detection of the inverter
To protect personnel from electric shock, it is necessary to provide the circuit with the earth leakage circuit breaker.The inverter and motor circuits also ... More Details >>
- No:22006
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Peripheral devices
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Speed control failure due to 20 mA from DC 4
It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>
- No:21998
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-A200 , FREQROL-A100
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