Installing parameter unit outside control panel

You can install the operation panel FR-DU04 (or parameter unit FR-PU04) on the enclosure surface by connecting it with the inverter via a cable.To do this, d... More Details >>

Common terminals of control circuit

If you ground the common terminals of the control circuit, it is connected with the inverter's earthing and the inverter's noise may be input to the control ... More Details >>

Inverter selection when driving multiple motors

When driving multiple motors with a single inverter, determine the inverter capacity in one of the following two methods:1. When driving multiple motors conn... More Details >>

400 Hz output setting

Change Pr.18 (High speed maximum frequency) to 400 Hz.If you are using the analog command to set the frequency, calibrate the 400 Hz frequency with Pr.903. More Details >>

Speed control range

1:1500 when using a vector control dedicated motor. Continuous 100% torque operation and short-time 150% torque operation are possible even at 1 rpm. Continu... More Details >>

Fault output signal when inverter trips

Only the unit type SC-A□□U has fault output signals. (Terminals Y1 and SD open collector output permissible load 24 VDC 0.1 A)The box type SC-A□□B indicates ... More Details >>

Power supply capacity

Since the input power factor is improved to approximately 1, the power supply capacity can be reduced to 2/3 to 3/4 of an inverter without a power factor imp... More Details >>

Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>

Installation dimensions

Refer to the outline dimension. 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 >>