FR-A800

No. Check the parameter setting of the A500(L), and then adjust the parameter setting of the A800 to those of the A500(L). For the details, refer to the repl... More Details >>

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 >>

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 >>

Intercompatibility attachment

Use the FR-AAT04 (FR-Z series intercompatibility attachment). More Details >>

CC-Link

Although you specify the FR-V200 and others as the inverter models, CC-Link is currently supported by the FR-A500 and FR-E500. The FR-V200E does not support ... More Details >>

Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>

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 >>

All parameters returned to initial values

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 >>

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 >>

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 >>