Setting The Frequency By Analog Input (Voltage Input) - Mitsubishi Electric F700 Instruction Manual

3.5.4

Setting the frequency by analog input (voltage input)

POINT
· To give a start command,
· Frequency command is given from the potentiometer. (by connecting terminal 2 and 5.)
· Pr. 79 Operation mode selection must be set to "4" (External/PU combination operation mode 2).
[Connection diagram]
(The inverter supplies 5V of power to the frequency setting potentiometer.(Terminal 10))
Operation example Performing operation at 60Hz.
Operation
1.
Screen at powering on
The monitor display appears.
2.
Press to choose the parameter setting
mode.
3.
Turn until
4.
Press to read the present set value.
" "(initial value) appears.
5.
Turn to change it to
the setting value "
6.
Press to set.
7.
Mode/monitor check
Press twice to choose the
monitor/frequency monitor.
[PU] indication and [EXT] indication are lit.
8.
Start
Press or
[FWD] or [REV] is flickering as no frequency
command is given.
9.
Acceleration → constant speed
Turn the potentiometer (frequency setting
potentiometer) clockwise slowly to full.
The frequency value on the indication
increases according to Pr. 7 Acceleration
time until "
or of the operation panel (FR-DU07) is used .
Frequency setting
potentiometer
(Pr. 79) appears.
".
.
"(60Hz) is displayed.
Start/stop from the operation panel (PU
Inverter
Operation panel
(FR-DU07)
10
2
5
Display
Flicker ··· Parameter setting complete!!
/
operation mode)
The parameter number
read previously appears.
Flickering
3
53