1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this cas

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore

You can set both the BCD code and binary code inputs within the range from 0 to 400 Hz.You can set the bias and gain in

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input curren

When performing the automatic restart after instantaneous power failure, input the operation signal (STF or STR) and sel

Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and per

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,

Use the FR-A5AT02 as the intercompatibility attachment when upgrading from the FR-A220-3.7K to FR-A540-3.7K.

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

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

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL > FREQROL-A500

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

FREQROL-A500

Common(1)

FAQ within [ FREQROL-A500 ]

71-80 of Total 119

prev 8 / 12page next

Inverter general matters

1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this case, the output stop (MRS) signal is in... More Details >>
- No：22103
- Release Date：2018/08/22 16:31
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Angular velocity change control

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>
- No：22086
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-V200
12-bit digital input

You can set both the BCD code and binary code inputs within the range from 0 to 400 Hz.You can set the bias and gain in 0.01 Hz units.For BCD input, when the... More Details >>
- No：21945
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Plug-in Options , FREQROL-A500
Current value on input side and output side

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input current can get imbalanced significantly. I... More Details >>
- No：21476
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
Inverter operation at instantaneous power failure

When performing the automatic restart after instantaneous power failure, input the operation signal (STF or STR) and selection of automatic restart after ins... More Details >>
- No：21371
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Inverter communication

Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and personal computer.Note that communicatio... More Details >>
- No：22105
- Release Date：2018/08/22 16:31
- 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
Inverter installation interchange attachment

Use the FR-A5AT02 as the intercompatibility attachment when upgrading from the FR-A220-3.7K to FR-A540-3.7K. More Details >>
- No：22095
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
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
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

71-80 of Total 119

Inquiries

page top