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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Motor heat generation at low-speed operation
When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>
- No:21496
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Installation clearance of inverters
Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small, the cooling effect is lowered. Secur... More Details >>
- No:22046
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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The inverter (FR-A520-5.5K) itself generates approximately 310 W of heat. This is the amount generated under the inverter rated current 100% load. Since the ... More Details >>
- No:21523
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intended to improve the braking capability b... More Details >>
- No:22002
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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After inputting the start signal performing the tuning, output the output frequency. The tuning ends in approximately 500 ms in maximum after started. Durin... More Details >>
- No:21372
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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When you use a long wire between the inverter and motor, pay attention to the following: 1. Since the voltage supplied to the motor terminal is reduced due t... More Details >>
- No:21441
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>
- No:21423
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>
- No:21535
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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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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Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to use BU. Just remove the jumper from ... More Details >>
- No:21992
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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