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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Controlling multiple VVVFs via communication from personal computer
To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No:21491
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Is the number of writing times of the parameter memory limited?
1. The limit of the parameter writing is 100,000 times. 2. Parameter error occurs. Since the data in the ROM may be broken, the inverter may become unavailab... More Details >>
- No:21385
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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The following is the case for the FREQROL-A500 series:1. When the R phase or S phase is lost, the inverter stops since it loses the control power supply.2. W... More Details >>
- No:22010
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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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
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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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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1. The inverter display is based on the frequency, and the speed and moving speed are displayed by converting the frequency into the corresponding value. The... More Details >>
- No:21480
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No:21472
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The delay is 10 ms. A delay of 100 ms is i... More Details >>
- No:21445
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Coasting operation of the inverter
To use an inverter using the external contact coast to stop (to shut off the inverter's output), short-circuit the terminals MRS and SD.For CC-Link operation... More Details >>
- No:22003
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Class, instance, and attribute represents different grouping of objects.Comparing object grouping to a mailing address, they can be considered as follows:Sta... More Details >>
- No:21924
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500
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