Rotation ripple at low speed

The rotation ripple data for 1.5 kW is shown below.Drive unit: MD-CX520-1.5KMotor: MM-CF152Load: None (motor alone), carrier frequency: 2 kHz, wiring length:... 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 >>

Two-rank up maximum short-time torque

It is not possible to generate torque larger than the maximum possible torque of the motor by increasing the inverter's capacity.Even when the inverter is up... More Details >>

Operation command terminal switching

It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>

Control circuit power supply

If the MC on the input side is shut off using the fault output of the FR-E500, the inverter's fault records are left in the faults history. More Details >>

One-touch tuning

The one-touch tuning does not require the response level setting also. Outlines of one-touch tuning and auto tuning are as follows: One-touch tuning: You can... More Details >>

MM-EF/EFS

Since the standard bearing is adopted for the belt drive models, a creep may occur and the motor bracket may wear out. More Details >>

Frequency setting increment

The value is displayed in 0.1 rpm increments under Vector control. However, the value is rounded down to the first decimal place and displayed in 1 rpm incre... More Details >>

FR Configurator SW3

Yes, the plug-in option board can also be read. More Details >>

Specifications

It can be driven by connecting single-phase 200 V to the terminals R and S. In this case, the load current must be one-third or less of the inverter rated cu... More Details >>