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Start/stop from the operation panel (PU
operation mode)
4.4.3 Setting the frequency by switches (three-speed setting)
[Connection diagram]
POINT
· Use the operation panel (FR-DU07) ( or ) 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 combined operation mode 2) in Pr. 79 Operation mode selection.
Operation example
Operation at low speed (10Hz)
ON
ON
ON
Output frequency (Hz)
Speed 1
(High speed)
Speed 2
(Middle speed)
Speed 3
(Low speed)
RH
RM
RL
Inverter
High speed
Middle speed
Low speed
SD
RH
RM
RL
Operation panel
(FR-DU07)
DisplayOperation
Flicker ··· Parameter setting complete!!
The parameter number
read previously appears.
1. Screen at power-ON
The monitor display appears.
2. Press to choose the parameter setting
mode.
3.
Turn until (
Pr. 79) appears.
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 change to monitor /
frequency monitor.
[PU] indicator and [EXT] indicator are lit.
8. Start
Turn ON the low-speed switch (RL).
Middle speed
Low speed
High speed
ON