Frequency does not rise with blower

Our suggestion is to adjust the following parameters:1. Set Pr.14 = 0. If the V/F pattern for variable-torque load (Pr.14 = 1) is used, the current may incre... 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 >>

Notes when inverter capacity is larger than motor capacity

When using one-rank-higher inverter, as you mention, you need to care about the setting of the electronic thermal O/L relay.Setting the electronic thermal O/... More Details >>

External frequency selection

When all of the multi-speed input signals are turned OFF during external operation, the output frequency conforms to the external analog frequency command (i... More Details >>

Availability of parameter unit

You cannot use the FR-PU04 with the FR-HC. More Details >>

Brake unit selection

Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to use BU. Just remove the jumper from ... More Details >>

Using a higher grade power factor improving reactor

Using a reactor under a load lighter than the rated capacity slightly spoils its effect in improving the power factor.Therefore, you should use a reactor wit... More Details >>

FR-PA07

When Pr.79 is set to "3", since the start command is in the External operation mode, the RUN key of FR-PA07 does not work. More Details >>

FR-A800

Number of terminals: Same input terminals as the A700 series, and the following two terminals are added. Safety: SI1, SI2, SIC 24 V power supply: +24 * The t... More Details >>

FR-PU07

No. They can be connected with the connection cable (FR-CB20[]). [] indicates cable length (1 m, 3 m, 5 m). More Details >>