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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Pulse frequency characteristics of terminal FM
The terminal FM output pulse is directly proportional to the inverter output frequency.With the initial setting, 1440 pulses/sec are output at 60 Hz (Pr.55),... More Details >>
- No:22080
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Current value monitor indicator
The measurable frequency range and measurement precision of the inverter's output current greatly differ depending on the measurement instrument.Check with t... More Details >>
- No:22079
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Switching between high speed and low speed
As you mention, when the inverter is operated only with STF without inputting the speed command signal, the minimum frequency must be set to 10 Hz.However, a... More Details >>
- No:22078
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Thermal characteristics of motor
Basically, when the motor temperature goes higher, the motor rotation speed goes lower.The motor rotation speed also changes when the inverter input power su... More Details >>
- No:22076
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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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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Inverter outline dimension CAD data
The outline dimension diagram is found on the member's page of Mitsubishi Electric FA Global Website.Contact our sales personnel for details on the programma... More Details >>
- No:22053
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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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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PHS does not cause the inverter to malfunction.On the contrary, if you use PHS near an inverter or motor, communication over PHS may become noisy or even get... More Details >>
- No:22018
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Countermeasure against harmonics
The following countermeasure against harmonics is available with the inverter.The values are quoted from the harmonic suppression guidelines.1. Insert the AC... More Details >>
- No:22009
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Consideration on power supply capacity
The inverter's power supply capacity can be calculated using the following equation:Power supply capacity [kVA] = Motor output (kW)/(Motor efficiency × Inver... More Details >>
- No:22000
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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