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4
DRIVING THE MOTOR
Start/stop using terminals (External
operation)
4.5 Start/stop using terminals (External operation)
4.5.1 Setting the frequency by the operation panel (Pr. 79 = 3)
[Connection diagram]
POINT
From where is the frequency command given?
· Operation at the frequency set in the frequency setting mode of the operation panel → Refer to 4.5.1(Refer to page 61)
· Give a frequency command by switch (multi-speed setting) → Refer to 4.5.3 (Refer to page 65)
· Perform frequency setting using voltage input signal → Refer to 4.5.4 (Refer to page 67)
· Perform frequency setting using current input signal → Refer to 4.5.6 (Refer to page 69)
POINT
· Switch ON the STF (STR) signal to give a start command.
· Use ( ) on the operation panel (FR-DU07) to give a frequency command.
· Set "3" (External/PU combination operation mode 1) in Pr. 79 Operation mode selection.
Operation example
Performing operation at 30Hz.
Operation Display
1. Screen at power-ON
The monitor display appears.
2. Operation mode setting
Set "3" in Pr.79.
[PU] indicator and [EXT] indicator are lit.
(To change the set value, refer to page 48)
3. Running frequency setting
Turn to show the selected frequency, " "
(30.00Hz). The frequency flickers for about 5s.
4. While the value is flickering, press to set the
frequency.
(If you do not press , the value flickers for about 5s
and the display then returns to " " (display) Hz. At this
time, return to "Step 8" and set the frequency again.)
After about 3s of flickering of the value, the display goes
back to " " (monitor display).
Flicker ··· Frequency setting complete!!
After 3s, the monitor display
appears.
Operation panel
(FR-DU07)
SD
STF
STR
Forward rotation
start
Reverse rotation
start
Inverter
Flickers for about 5s