Mitsubishi Electronics FR-E740-0.4KSC to 15KSC Welding System User Manual


 
25
Start/stop from the operation panel (PU operation)
5
5.1.3 Setting the frequency by analog input (voltage input)
POINT
Use the operation panel ( ) to give a start command.
Use the (frequency setting) potentiometer to give a frequency command.
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))
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 constant speed
Turn the potentiometer clockwise slowly to full.
The frequency value on the display 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 display decreases in Pr. 8 Deceleration time, and the motor stops running with " " (0.00Hz)
displayed. [RUN] flickers fast.
8.
Stop
Press . [RUN] indicator turns OFF.
REMARKS
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 29.)
5
10
2
Frequency
setting
potentiometer
Inverter
Operation
panel