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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Using existing potentiometer by replacing inverter
It is OK if the resistance value of the speed varying potentiometer's resistance is 2 kΩ.Use the speed varying potentiometers used with the existing inverter... More Details >>
- No:21962
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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1. It is OK to open MC on the output side while the inverter is operating.2. It is OK to open the input side in case of emergency stop. More Details >>
- No:21972
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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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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Speed adjustment of multiple inverters using variable resistor
You can connect up to three inverters in parallel to an external variable resistor. Refer to the figure below for a connection example. By setting parameters... More Details >>
- No:21980
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Imbalanced input side power supply
1. Power supply voltage phase imbalance toleranceMitsubishi inverter's input power supply voltage phase imbalance tolerance is ±3%.If the phase imbalance exc... More Details >>
- No:21987
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Current increase at motor stop
If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is considered to be in the overexcitation state.... More Details >>
- No:21997
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Reversible operation of agitator
When the inverter's forward and reverse terminals are switched instantaneously, the inverter decelerates and then switches the rotation direction. It can swi... More Details >>
- No:21999
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Frequency adjustment using potentiometer
Since the inverter is initially set to 0 Hz for 0 V and 60 Hz for 5 V, you can calculate the frequency for a certain voltage value. The equation is "Output f... More Details >>
- No:22004
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Common terminals of control circuit
If you ground the common terminals of the control circuit, it is connected with the inverter's earthing and the inverter's noise may be input to the control ... More Details >>
- No:22037
- 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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