Encoder feedback speed accuracy
The speed variation rate is as follows: - Encoder feedback control: ±0.2% - Vector control: ±0.02% (mentioned in FR-A5AP Instruction Manual) More Details >>
Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
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 >>
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 >>
Inverter stop-on-contact control
Use the FREQROL-A500 series inverter with the optional FR-A5NC.Then, you can implement both of stop-on-contact control and CC-Link operation. More Details >>
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 >>
1. By changing RWw1 while RYD is ON, you can change the inverter's frequency.You cannot do this with RYE. You need to turn OFF and then ON RYE each time you ... More Details >>
Since the brake sequence function requires Advanced magnetic flux vector control and advanced flux control is applied to 0.4 kW or higher motors, you cannot ... More Details >>
Speed change due to power supply volt...
1. The output frequency satisfies the "control specification/frequency precision" even when the power supply voltage changes, but the output voltage cannot r... More Details >>
All parameters returned to initial va...
The parameters of the A500 series are stored in the EEPROM.The reason why all parameters returned to the initial values is considered that you may have opera... More Details >>
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