Switching time of the FR-A800 control

20 ms or less is required to switch the control with the MC signal. More Details >>

Insulation level of the MM-EFS

F class (155 deg C) More Details >>

Frequency display deviation

If you are using an external VR, influence by noise is probable.Setting Pr.74 (Input filter time constant) to a higher value stabilizes the frequency command... More Details >>

Installing frequency setting potentiometer

When you are inputting analog signals, install the potentiometer within 30 m from the inverter. 　(Refer to "Precaution on Selection and Operation" on the cat... More Details >>

Reversible operation of agitator

When the inverter's forward and reverse terminals are switched instantaneously, the inverter decelerates and then switches the rotation direction. It can swi... 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 >>

Influence on inverter at motor coasts to stop

An induction motor does not act as a power generator unless voltage is applied to it.Therefore, just rotating due to coasting does not affect the inverter. More Details >>

Shielded wiring of external speed setting potentiometer

Grounding can often get dirty due to influence from the inverter main circuit switching. Therefore, when the potentiometer shielded wire is connected to the ... More Details >>

Inverter control power supply

The FR-E540 uses common input for the control power supply and main circuit power supply. (It has only one power supply input terminal.) Therefore, you canno... More Details >>

FR-A7NC (E kit)

They are insulated. More Details >>