Calculation of acceleration/decelerat...

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>

Advanced magnetic flux vector control

To use Advanced magnetic flux vector control, basically set Pr.9, Pr.80, Pr.81, Pr.71, and Pr.800.Auto tuning is necessary in some cases. Set Pr.83, Pr.84, a... More Details >>

Switching between PU and NET operations

Even after setting Pr.340 to "10", the change is reflected after resetting the power supply.Perform the power reset.Since changes to the communication parame... More Details >>

Soft-PWM

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>

Suggestion for replacement of inverters

We do not offer book type inverters. Therefore, the S500 is recommended to replace the Z123 because of its compact design. If regenerative driving matters, c... More Details >>

Can I replace the cooling fan alone?

The fan of the FR-A024 cannot be replaced by the customer. Mitsubishi Electric System & Service will replace it, so contact us to order it. More Details >>

Manual contactor on output side of dr...

The low-voltage manual contactor is intended to prevent electric shock during inspection and maintenance of the drive unit.The MELIPM series motor is a synch... More Details >>

Power factor improving reactor

Your understanding about the AC and DC reactors is correct. For the harmonics suppression effect obtained by using both types of reactors, refer to the table... More Details >>

FR-DU07

Not possible.Instead of FR-DU07, use FR-PA07　(or FR-PU07) as an operation panel for FR-E700. More Details >>

FR-A800-R2R

If Pr.361 = 0, the second terminal can be used as the line speed command when X114 is ON, and as the frequency setting value when X114 is OFF. If Pr.361 = 3,... More Details >>