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UL standard certification number
The UL standard certification numbers (UL Listing Card No.) of the FR-E500, FR-A500, and FR-A200 are as follows: FR-A200 series??????E131592FR-A500 series???... More Details >>
- No:21506
- Release Date:2018/08/22 16:28
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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
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"Err" is displayed when STF signal turns ON
Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>
- No:21484
- Release Date:2018/08/22 16:27
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Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>
- No:21955
- Release Date:2018/08/22 16:30
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Speed change due to power supply voltage fluctuation
1. The output frequency satisfies the "control specification/frequency precision" even when the power supply voltage changes, but the output voltage cannot r... More Details >>
- No:22069
- Release Date:2018/08/22 16:30
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The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No:21549
- Release Date:2018/08/22 16:28
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Parameter No.79 (Operation mode)
You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>
- No:21467
- Release Date:2018/08/22 16:27
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Difference between SU (up to frequency) and FU (frequency detection)
- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No:21436
- Release Date:2018/08/22 16:27
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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
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Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No:21401
- Release Date:2018/08/22 16:27
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