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

The inrush current limit circuit is not built in the FR-A842 (inverter unit). It is built in the FR-CC2 (converter unit)

The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving th

Basically, it depends on machine specifications. Advantage of dancer feedback speed control: Easy control. Small tension

The output of the FM terminal becomes the current output of the CA.

It indicate that the actual number of connectable units differs depending on the master side specification although the

Not available. When using the motor thermistor function, use the dedicated motor V5RU with a thermistor.

The tension PI gain can be adjusted automatically by performing the tension PI gain tuning.

The X114 signal is for switching the control to the dancer control or tension sensorless torque control. The signal inpu

If Pr.361 = 0, the second terminal can be used as the line speed command when X114 is ON, and as the frequency setting v

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FAQ within [ FREQROL-A800 ]

121-130 of Total 142

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Gain adjustment under the speed control

Since the lower limit has been internally set, 3% or less is recognized as 3%. More Details >>
- No：21016
- Release Date：2018/08/22 16:25
FR-A842

The inrush current limit circuit is not built in the FR-A842 (inverter unit). It is built in the FR-CC2 (converter unit), which is combined with the FR-A842.... More Details >>
- No：21059
- Release Date：2018/08/22 16:25
FR-A800-R2R

The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving the dancer roll from lower limit positi... More Details >>
- No：20924
- Release Date：2018/08/22 16:25
FR-A800-R2R

Basically, it depends on machine specifications. Advantage of dancer feedback speed control: Easy control. Small tension can be controlled. Disadvantage: Mac... More Details >>
- No：20973
- Release Date：2018/08/22 16:25
FR-A8TAT

The output of the FM terminal becomes the current output of the CA. More Details >>
- No：21060
- Release Date：2018/08/22 16:25
FR-A800-E

It indicate that the actual number of connectable units differs depending on the master side specification although the maximum number of connectable units o... More Details >>
- No：20839
- Release Date：2018/08/22 16:24
FR-A8AZ

Not available. When using the motor thermistor function, use the dedicated motor V5RU with a thermistor. More Details >>
- No：21003
- Release Date：2018/08/22 16:25
FR-A800-R2R

The tension PI gain can be adjusted automatically by performing the tension PI gain tuning. More Details >>
- No：20923
- Release Date：2018/08/22 16:25
FR-A800-R2R

The X114 signal is for switching the control to the dancer control or tension sensorless torque control. The signal input becomes invalid during operation be... More Details >>
- No：20845
- Release Date：2018/08/22 16:24
FR-A800-R2R

If Pr.361 = 0, the second terminal can be used as the line speed command when X114 is ON, and as the frequency setting value when X114 is OFF. If Pr.361 = 3,... More Details >>
- No：20891
- Release Date：2018/08/22 16:24

121-130 of Total 142

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