PU operation

The relationship between the acceleration/deceleration reference frequency and acceleration/deceleration time does not change between the PU operation and ex... More Details >>

Frequency setting

Yes, you can set them randomly.　　 More Details >>

Frequency meter

First, check if Pr.55 (Frequency monitor reference) that is the reference for the FM output is set correctly.Next, operate the inverter (without connecting a... More Details >>

Frequency setting

You can use the setting dial together with the terminal 4.Set Pr.79 (Operation mode) to "3" (Combined operation mode) and assign the AU signal to an unused t... More Details >>

CC-Link

Yes. The FR-A7NC E kit contains a dedicated front cover since its size changes by the installed board.You can additionally purchase the FR-A7NC E kit cover o... More Details >>

Fault contact state when input side power supply is cut off

The NC contact does not open when the power supply is cut off whether the inverter is operating or ceased.When the input side power supply is cut off, the DC... More Details >>

When controlling motor with brake by inverter

Use the RUN signal to turn ON and OFF the brake.Using the MRS (output shutoff) signal to turn ON the brake shuts off the inverter's output and reduces influe... More Details >>

Relationship between undervoltage warning and instantaneous power failure

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>

Changing parameters

Before you change Pr.7 and Pr.8, you must switch to the PU operation mode. Switch to the PU operation mode and change them. More Details >>

Inverter setup

Set the parameters below. For other parameters, keep the initial settings.1.　Set Pr.122 (Communication check time interval) to other than "0". ("9999" is OK.... More Details >>