Mitsubishi Electric F700 Instruction Manual download pdf (Page 39)

When the rated motor frequency is 50Hz

(Pr.3)

3.4 When the rated motor frequency is 50Hz (Pr.3)

First, check the motor rating plate. If a frequency given on the rating plate is "50Hz" only, always set Pr. 3 Base

frequency to "50Hz". Leaving the base frequency unchanged from "60Hz" may make the voltag low and the torque

insufficient. It may result in an inverter trip (E.OC) due to overload.

Parameter

Number

Name Initial Value Setting Range Description

3 Base frequency

60Hz 0 to 400Hz

Set the frequency when the motor

rated torque is generated.

Changing example Change Pr. 3 Base frequency to 50Hz according to the motor rated frequency.

3.Press to choose the parameter

setting mode.

Flicker ··· Parameter setting complete!!

7.Press to set.

By turning , you can read another parameter.

· Press to show the setting again.

· Press twice to show the next parameter.

4.Turn until Pr. 3 Base frequency

appears.

1.Screen at powering on

The monitor display appears.

2.Press to choose the PU operation

mode.

PU indication is lit.

Display

Operation

The parameter

number

read previously

appears.

5.Press to show the currently set

value. (60Hz)

6.Turn counterclockwise to

change the set value to "50.0". (50Hz)

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Mitsubishi Electric F700 Instruction Manual Page 39