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Setting The Frequency By Switches (three-speed Setting) - Mitsubishi Electric FR-F720P-0.75K Instruction Manual

Fr-f700p series.
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4.4.3

Setting the frequency by switches (three-speed setting)

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.
[Connection diagram]
High speed
Middle speed
Low speed
Operation example Operate in low-speed (10Hz)
Operation
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 "
displayed.
6. Stop
Turn OFF the low-speed switch (RL).
Inverter
RH
Operation panel
RM
RL
SD
.
" (0.00Hz)
Start/stop from the operation panel (PU
Speed 1
(High speed)
(FR-DU07)
ON
RH
RM
RL
Low
speed
ON
High
speed
Middle
speed
/
Low
speed
OFF
High
speed
Middle
speed
operation mode)
Speed 2
(Middle speed)
Speed 3
(Low speed)
Time
ON
ON
Display
Stop
4
57

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