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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Electronic thermal O/L relay setting
Set Pr.9 to the rated current at 50 Hz or a value 1.1 times as the rated current at 60 Hz.You can specify the motor type with Pr.71 (Applied motor). For a co... More Details >>
- No:21941
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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You can set both the BCD code and binary code inputs within the range from 0 to 400 Hz.You can set the bias and gain in 0.01 Hz units.For BCD input, when the... More Details >>
- No:21945
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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1. Select the circuit breaker and MC in accordance with the inverter type.2. Select the power factor improving reactor in accordance with the motor output. More Details >>
- No:21946
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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The motor-generated torque elements have the following relationship:Torque T = K I V/FK: ConstantI: CurrentV: VoltageF: FrequencyThe inverter regularly perfo... More Details >>
- No:21952
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Fault contact state when input side power supply is cut off
The NC contact does not open when the power supply is cut off whether the inverter is operating or ceased.When the input side power supply is cut off, the DC... More Details >>
- No:21958
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-S500
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Relationship between undervoltage warning and instantaneous power failure
When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>
- No:21974
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-U100
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Input power supply circuit breaker
When using a motor circuit breaker, the rated current of the motor circuit breaker to use must be equal to or higher than the rated current of the circuit br... More Details >>
- No:21979
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Set the parameters below. For other parameters, keep the initial settings.1. Set Pr.122 (Communication check time interval) to other than "0". ("9999" is OK.... More Details >>
- No:21986
- Release Date:2018/08/22 16:30
- Category: Engineering Software
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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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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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