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OPERATION/CONTROL
59
3.4.4 Combined operation mode
(Operation using the external input signals and PU)
When entering the start signal from outside the inverter and setting the running frequency from the PU
(Pr. 79 = 3)
The external frequency setting signals and the PU's FWD, REV and STOP keys are not accepted. (Note)
Step Description Image
1
Power-on
Switch power on.
ON
2
Operation mode selection
Set "3" in Pr. 79 "operation mode selection".
The combined operation mode is selected and the operation status indication "EXT"
and "PU" are lit.
Flicker
3
Start
Turn on the start switch (STF or STR).
Note: The motor does not start if both the forward and reverse rotation switches are
turned on. If both switches are turned on during operation, the motor
decelerates (when Pr. 250 = "9999") to a stop.
ON
Reverse
rotation
Forward
rotation
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
4
Running frequency setting
Using the parameter unit, set the running frequency to 60Hz.
The operation command indication "REV" or "FWD" flickers.
•
Select the frequency setting mode and make step setting.
Note: Step setting is the way of changing the frequency consecutively by pressing
the
key.
Hold down the
key to change the frequency.
<Step setting>
5
Stop
Turn off the start switch (STF or STR).
The motor stops running.
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
Note: The stop key is made valid when the Pr. 75 "PU stop selection" value is set to any of 14 to 17.