Using control power supply

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>

Inverter loss

The inverter efficiency changes depending on the inverter output frequency, carrier frequency, motor capacity, and load factor. When the inverter and motor h... More Details >>

"Err" is displayed when STF signal turns ON

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>

Monitor output

The FM output is the 1440 Hz, 1 mA pulse train output at full scale. You can input to the programmable controller if it has a pulse train input. A68AD does n... More Details >>

FR-A5CN03

Since the heat sink and fan are not waterproof, you need to enclose them so that they are not exposed to the spray of water. If you use the inverter (heat si... More Details >>

Driving 200 V motor by 400 V inverter

Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>

FR-A7NC (E kit)

They are insulated. More Details >>

Pr.268 (Monitor decimal digits selection) during CC-Link communication

No, it is not changed. Pr.268 is the parameter for the operation panel. More Details >>

FR-A7NCE connector

It is tilted to wire the cable easily. More Details >>

Parameter copy

Reading during the operation is possible. However, when writing is performed during the operation, "rE2" (parameter write error) occurs. More Details >>