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OPERATION/CONTROL
3.3.4 Combined operation mode
(Operation using the external input signals and PU)
When entering the start signal from outside the inverter (switch, relay, etc,) 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)
Note: The stop key is made valid when the Pr.75 "PU stop selection" value is set to any of 14 to 17.
Step Description Image
1
Power-on
Switch power 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.
3
Start
Turn on the start switch (STF or STR).
4
Running frequency setting
Using the parameter unit, set the running frequency to 60Hz.
The operation command indication "REV" or "FWD" is lit.
•Select the frequency setting mode and make step setting.
5
Stop
Turn off the start switch (STF or STR).
The motor stops running.
ON
Flicker
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
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>
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
