4.19.3 Setting the frequency by the operation panel (Pr. 79 = 3)
Switch ON the STF(STR) signal to give a start command.
Use the operation panel (
Set "3" (External/PU combined operation mode 1) in Pr. 79 .
Operate at 30Hz.
Screen at power-ON
The monitor display appears.
Change the Pr. 79 setting to "3". (Refer to page 60 for change of the setting.)
[PU] indicator and [EXT] indicator are lit.
to show the frequency you want to set.
The frequency flickers for about 5s.
While the value is flickering, press
After the value flickered for about 3s, the display
returns to "
" (monitor display).
(If you do not press
, the value flickers for about
5s and the display then returns to "
At this time, return to "Step 3" and set the frequency
Start acceleration constant speed
Turn the start switch (STF or STR) ON.
The frequency value on the display increases in Pr. 7
Acceleration time, and "
[RUN] indicator is lit during forward rotation operation
and flickers during reverse rotation operation.
To change the set frequency, perform the operation in above steps 3 and 4. (Starting from the previously set frequency.)
Turn OFF the start switch (STF or STR). The
frequency value on the indication decreases in Pr. 8
Deceleration time, and the motor stops rotating with
" (0.00Hz) displayed.
[RUN] turns OFF.
Pr. 178 STF terminal function selection must be set to "60" (or Pr. 179 STR terminal function selection must be set to "61").
(all are initial values)
When Pr. 79 Operation mode selection is set to "3", multi-speed operation (Refer to page 106) is also valid.
to stop the motor and the display shows
1. Turn the start switch (STF or STR) OFF.
2. The display can be reset by
Selection of operation mode and operation location
) to give a frequency command.
Forward rotation start
Reverse rotation start
to set the
" (30.00Hz) appears.
Flicker...frequency setting complete!!
The monitor display appears after 3s.
Flickers for about 5s