Insulation level of the MM-EFS

F class (155 deg C) More Details >>

FR-XC

- Both 200 V and 400 V can be used only with the capacity 22 kW or higher. - The rated current (capacity) is derated. (For the detail, refer to the Instructi... More Details >>

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 >>

Suggestion for replacement of inverters

We do not offer book type inverters. Therefore, the S500 is recommended to replace the Z123 because of its compact design. If regenerative driving matters, c... 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 >>

Control circuit power supply

If the MC on the input side is shut off using the fault output of the FR-E500, the inverter's fault records are left in the faults history. More Details >>

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 >>

Instantaneous power failure of facilities

1. If the start signal is present when the power and communication restore, the inverter starts operation. 2. Similarly to the above, if the start signal is ... More Details >>

Installation of a reactor

The answers are as follows:- Effect of reactorAttaching a reactor improves the power factor and suppresses harmonics.The AC reactor improves the power factor... More Details >>

Phase detection terminal

The phase detection terminal has been provided with units produced since December 1999. You can identify these units with the serial number "N9Z○○○○○○" or la... More Details >>