When the value is written to Pr.646 (Stored winding diameter), the stored value is used. When the value is not written,

The value is displayed in 0.1 rpm increments under Vector control. However, the value is rounded down to the first decim

Select the models so that "MM - BF rated current value × 1.05 < FR-A820 rated output current value".

Since the lower limit has been internally set, the setting value of 3 % or less is recognized as 3%.

No alarm occurs due to the abnormal temperature. In the main circuit, alarms such as heatsink overheat will be occurred.

When the winding ratio is large, the control according to the winding diameter is required. The upper controller has mea

The gain of the tension PI gain automatic tuning is the one of the dancer feedback speed control. The gain adjusted by s

The encoder feedback is always required for the thickness calculation function. The actual line speed calculation functi

The output turns OFF (0 mA) during the inverter reset.

Both settings of Pr.83 and Pr.84 are enabled immediately. However, the output voltage is not changed because the value o

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FAQ within [ FREQROL-A800 ]

121-130 of Total 142

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FR-A800-R2R

When the value is written to Pr.646 (Stored winding diameter), the stored value is used. When the value is not written, the minimum or maximum winding diamet... More Details >>
- No：20887
- Release Date：2018/08/22 16:24
Frequency setting increment

The value is displayed in 0.1 rpm increments under Vector control. However, the value is rounded down to the first decimal place and displayed in 1 rpm incre... More Details >>
- No：21021
- Release Date：2018/08/22 16:25
Combination of the FR-A800 and MM-BF

Select the models so that "MM - BF rated current value × 1.05 < FR-A820 rated output current value". More Details >>
- No：21000
- Release Date：2018/08/22 16:25
FR-A800

Since the lower limit has been internally set, the setting value of 3 % or less is recognized as 3%. More Details >>
- No：20976
- Release Date：2018/08/22 16:25
FR-A800

No alarm occurs due to the abnormal temperature. In the main circuit, alarms such as heatsink overheat will be occurred. More Details >>
- No：20977
- Release Date：2018/08/22 16:25
FR-A800-R2R

When the winding ratio is large, the control according to the winding diameter is required. The upper controller has measured the winding diameter and create... More Details >>
- No：20974
- Release Date：2018/08/22 16:25
FR-A800-R2R

The gain of the tension PI gain automatic tuning is the one of the dancer feedback speed control. The gain adjusted by speed control P gain compensation is t... More Details >>
- No：20925
- Release Date：2018/08/22 16:25
FR-A800-R2R

The encoder feedback is always required for the thickness calculation function. The actual line speed calculation function requires the input of the actual l... More Details >>
- No：20890
- Release Date：2018/08/22 16:24
FR-A800-2

The output turns OFF (0 mA) during the inverter reset. More Details >>
- No：20921
- Release Date：2018/08/22 16:25
Vector control

Both settings of Pr.83 and Pr.84 are enabled immediately. However, the output voltage is not changed because the value of Pr.83 has little influence on Vecto... More Details >>
- No：21022
- Release Date：2018/08/22 16:25

121-130 of Total 142

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