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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Since the inverter has only one voltage output (10 VDC) from terminal AM as the analog monitor, use the FR-EPA or FR-EPE option if you need two channels. The... More Details >>
- No:21501
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-B
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Countermeasure against noise on input side
In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>
- No:21517
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Others , FREQROL-A200
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Installation dimensions of the heat sink panel through attachment
The heat sink panel through attachment to the FR-A520-5.5K inverter consist of the top installation frame, bottom installation frame, and upper cover. The to... More Details >>
- No:21520
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Others , FREQROL-A500
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If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No:21524
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Connection with personal computer
Connection method for the A500 and E500 is shown in the figure below. The figure is given in an Excel file. Figure 1 More Details >>
- No:21536
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Torque characteristic at low speed
Torque is not guaranteed for slower than 0.5 Hz. Therefore, no data for this is published. Also, no torque is generated at 0 Hz. More Details >>
- No:21543
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Sensitivity current of earth leakage circuit breaker
The rated sensitivity current of the earth leakage circuit breaker can be calculated using the following equation. If the result is 30 mA or less, the NV-FA ... More Details >>
- No:21547
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Peripheral devices
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Faults history upon power failure
When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>
- No:21551
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Fault output signal when inverter trips
Only the unit type SC-A□□U has fault output signals. (Terminals Y1 and SD open collector output permissible load 24 VDC 0.1 A)The box type SC-A□□B indicates ... More Details >>
- No:21580
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , SC-A
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Difference from general-purpose inverter
In general, both are inverters using the same control method, however, the inverter speed controller limits functions compared with the general-purpose inver... More Details >>
- No:21582
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , SC-A
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