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4
DRIVING THE MOTOR
Start/stop from the operation panel (PU
operation mode)
4.4.3 Setting the frequency by switches (three-speed setting)
[Connection diagram]
POINT
· Use or on the operation panel (FR-DU07) to give a start command.
· Switch ON the RH, RM, or RL signal to give a frequency command. (Three-speed setting)
· Set "4" (External/PU combination operation mode 2) in Pr. 79 Operation mode selection.
Operation example
Operate in low-speed (10Hz)
Operation Display
1. Screen at power-ON
.
The monitor display appears.
2. Operation mode setting
Set "4" in Pr.79.
[PU] indicator and [EXT] indicator are lit.
(To change the set value, refer to page 48)
3. Start
Turn ON the low-speed switch (RL).
4. Acceleration → constant speed
Press or to start.
The frequency on the display increases in the Pr. 7 Acceleration
time, and " " (10.00Hz) appears.
/
5. Deceleration
Press to stop.
The frequency on the display decreases in the Pr. 8 Deceleration
time, and the motor stops rotating with " " (0.00Hz)
displayed.
6. Stop
Turn OFF the low-speed switch (RL).
ON
ON
ON
Output frequency (Hz)
Speed 1
(High speed)
Speed 2
(Middle speed)
Speed 3
(Low speed)
RH
Time
RM
RL
Inverter
High speed
Middle speed
Low speed
SD
RH
RM
RL
Operation panel
(FR-DU07)
High
speed
Middle
speed
Low
speed
ON
Stop
OFF
High
speed
Middle
speed
Low
speed