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FAQ within [ Drive Products ]
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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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Fault contact when connecting separate power supply for each control circuit
Since the inverter's fault contact is an NC contact, it does not open unless a fault occurs.Therefore, when the control power supply (and main circuit power ... More Details >>
- No:22035
- 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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Single-phase power supply drive
For a single-phase 200 V power supply, you can use the FR-E520S series for up to 0.75 kW motor.If you use the three-phase 200 V power supply inverter with a ... More Details >>
- No:22015
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Frequency misalignment at current input
It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) and Pr.905 (Gain), you can calibrate th... More Details >>
- No:22014
- 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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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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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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Harmonic suppression guidelines
A 200 V class inverter of 3.7 kW or smaller is the target of the harmonic suppression guidelines for household appliances and general-purpose products, and i... More Details >>
- No:21553
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL
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Accuracy of inverter terminal FM
The pulses output from the inverter terminal FM are not completely synchronized with the inverter output frequency. The pulse circuit from the terminal FM an... More Details >>
- No:21516
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL
1321-1330 of Total 1368