Mitsubishi Electronics FR-E720S ユーザーズマニュアル
23
Start/stop from the operation panel (PU operation)
5.1.3
Setting the frequency by analog input (voltage input)
POINT
y
Use the operation panel (
)
to give a start command.
y
Use the (frequency setting) potentiometer to give a frequency command.
y
Set "4" (External/PU combined operation mode 2) in Pr. 79 Operation mode selection.
[Connection diagram]
(The inverter supplies 5V power to the
frequency setting potentiometer.
(terminal 10))
frequency setting potentiometer.
(terminal 10))
Operation example
Operate at 60Hz.
Operation
1.
Screen at power-ON
The monitor display appears.
2.
Easy operation mode setting
Press
and
for 0.5s. "
" appears, and the [PRM] indicator flickers.
3.
Operation mode selection
Turn
until "
" appears. [PU] and [PRM] indicators flicker.
4.
Operation mode setting
Press
to enter the setting. (Set "4" in Pr.79.)
"
" and "
" flicker alternately. [PU] and [EXT] indicators are lit.
5.
Start
Press
. [RUN] flickers fast as no frequency command is given.
6.
Acceleration Æ constant speed
Turn the potentiometer clockwise slowly to full.
The frequency value on the indication increases in Pr. 7 Acceleration time, and "
" (60.00Hz) appears.
[RUN] indicator is lit during forward rotation operation and flickers slowly during reverse rotation operation.
7.
Deceleration
Turn the potentiometer counterclockwise slowly to full.
The frequency value on the indication decreases in Pr. 8 Deceleration time, and the motor stops rotating with "
" (0.00Hz)
displayed. [RUN] flickers fast.
8.
Stop
Press
. [RUN] indicator turns OFF.
REMARKS
y
The frequency at the full clockwise turn of the potentiometer (frequency setting potentiometer) (maximum potentiometer
setting) is 60Hz in the initial setting. (To change the setting, use Pr.125.) (Refer to page 27.)
setting) is 60Hz in the initial setting. (To change the setting, use Pr.125.) (Refer to page 27.)
5
10
2
Frequency
setting
potentiometer
setting
potentiometer
Inverter
Operation
panel