1. The BU brake unit does not have the fault output.Multiple BU brake units can be connected in parallel.2. Power supply

As the motor operates with the electronic thermal O/L relay characteristics for the standard motor, the thermal error oc

As the inverter does not display the speed in m/min, let us explain using the speed display in r/min. In this case, set

1. ACL has the input power factor of approximately 90% and DCL has the input power factor of approximately 95%. Therefor

The NC contact does not open when the power supply is cut off whether the inverter is operating or ceased.When the input

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) p

With your setting, since Pr.60 assigns the OH function to the terminal PL, and terminals RL and SD are open, an external

Before you change Pr.7 and Pr.8, you must switch to the PU operation mode. Switch to the PU operation mode and change th

The surface temperature of approximately 70?C is OK.The following shows the MM-CF352 frame temperature for reference.(Ac

Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to

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FAQ within [ Inverters-FREQROL ]

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Brake unit selection

1. The BU brake unit does not have the fault output.Multiple BU brake units can be connected in parallel.2. Power supply voltage 480 V- What resistance value... More Details >>
- No：21930
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Applied motor selection

As the motor operates with the electronic thermal O/L relay characteristics for the standard motor, the thermal error occurs if the motor continuously operat... More Details >>
- No：21943
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
I want to display the speed on an analog meter.

As the inverter does not display the speed in m/min, let us explain using the speed display in r/min. In this case, set Pr.52 to "6" (operation panel display... More Details >>
- No：21944
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Proper use of AC reactor and DC reactor

1. ACL has the input power factor of approximately 90% and DCL has the input power factor of approximately 95%. Therefore, DCL has a higher input power facto... More Details >>
- No：21949
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Fault contact state when input side power supply is cut off

The NC contact does not open when the power supply is cut off whether the inverter is operating or ceased.When the input side power supply is cut off, the DC... More Details >>
- No：21958
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-S500
Output phase loss protection error

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) phase current is lost.- Possibility of... More Details >>
- No：21969
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Current input switching operation

With your setting, since Pr.60 assigns the OH function to the terminal PL, and terminals RL and SD are open, an external protection error occurs. (It does no... More Details >>
- No：21975
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-S500
Changing parameters

Before you change Pr.7 and Pr.8, you must switch to the PU operation mode. Switch to the PU operation mode and change them. More Details >>
- No：21984
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-F500
Motor heat generation

The surface temperature of approximately 70?C is OK.The following shows the MM-CF352 frame temperature for reference.(Actual temperature rise depends on how ... More Details >>
- No：21988
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Brake unit selection

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

541-550 of Total 1306

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