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Driving The Motor - Mitsubishi Electric FR-D700 Series Instruction Manual

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5 DRIVING THE MOTOR

The inverter needs frequency command and start command.
Frequency command (set frequency) determines the rotation speed of the motor.
Turning ON the start command starts the motor to rotate.
REMARKS
 Set the required parameters according to the load and operating
conditions. (Refer to page 32.)
5.1
Start/stop from the operation panel (PU operation)
POINT
From where is the frequency command given?
 Operation at the frequency set in the frequency setting mode of the operation panel
 Operation using the setting dial as the potentiometer
 Change of frequency with ON/OFF switches connected to terminals
 Perform frequency setting using voltage input signal
 Perform frequency setting using current input signal
5.1.1
Setting the frequency by the operation panel
Operation example
Operate at 30Hz.
Screen at power-ON
1.
The monitor display appears.
Operation mode change
2.
Press
to choose the PU operation mode. PU indicator is lit.
Frequency setting
Turn
to show the frequency "
3.
blinking, press
goes back to "
(0.00Hz) after about 5s of blinking. In that case, turn
Start  acceleration  constant speed
Press
to start operation.
4.
The frequency value on the display increases in Pr. 7 Acceleration time, and "
(To change the set frequency, perform the operation in above step 3. Starting from the previously set frequency.)
Deceleration  stop
5.
Press
to stop. The frequency value on the display decreases in Pr. 8 Deceleration time, and the motor stops rotating with
"
" displayed.
REMARKS
can also be used like a potentiometer to perform operation. Refer to 5.1.2 (Refer to page 24.)
 When you always operate in the PU operation mode at power-ON, set Pr. 79 Operation mode selection = "1" to choose the PU
operation mode always.
Start/stop from the operation panel (PU operation)
Operation panel
" (30.00Hz) you want to set. The frequency blinks for about 5s. While the value is
to set the frequency. "
" and "
" (0.00Hz) (monitor display). (If
Start command
Refer to 5.1.2 (Refer to page 24)
Refer to 5.1.4 (Refer to page 26)
Refer to 5.1.4 (Refer to page 26)
Operation
" appear alternately. After about 3s, the indication of the value
is not pressed, the indication of the value goes back to "
again, and set the frequency.)
" (30.00Hz) appears.
Frequency command
Frequency
Output
(Hz)
frequency
ON
Refer to 5.1.1 (Refer to page 23)
Refer to 5.1.3 (Refer to page 25)
Time (s)
4
5
"
23

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