1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since t

You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured va

For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-L

When you use a long wire between the inverter and motor, pay attention to the following: 1. Since the voltage supplied t

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,

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

Select the high-duty brake resistor according to the inverter capacity.

Under Advanced magnetic flux vector control, the output frequency varies due to slip compensation. This may cause the ou

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the fol

1. You can set the minimum time by setting the acceleration/deceleration time and acceleration/deceleration reference fr

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

51-60 of Total 119

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Countermeasures when input power supply is turned off upon equipment fault

1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since the CC-Link master station has the aut... More Details >>
- No：21390
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
How can I calculate the processing torque from the measured power?

You can calculate the torque from the power. 　From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... More Details >>
- No：21475
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
External wiring for CC-Link operation

For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-Link commands are used to set the runn... More Details >>
- No：21973
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Long motor wiring

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
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
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
Selection of high-duty brake resistor

Select the high-duty brake resistor according to the inverter capacity. More Details >>
- No：21953
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Pulse train output of terminal FM

Under Advanced magnetic flux vector control, the output frequency varies due to slip compensation. This may cause the output frequency monitor value to chang... More Details >>
- No：22054
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Changing main speed at analog signal input

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the following steps:1. Change Pr.77 to "2".2... More Details >>
- No：22025
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Durability in multi-speed setting

1. You can set the minimum time by setting the acceleration/deceleration time and acceleration/deceleration reference frequency. 2. No problem with the termi... More Details >>
- No：21437
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500

51-60 of Total 119

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