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Combined Operation Mode (operation Using The External Input Signals And Pu) - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

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3.2.4 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.
Step
Power-on
Switch power on.
1
Operation mode selection
Set "3" in Pr. 79 "operation mode selection".
The combined operation mode is selected and the operation status
2
indication "EXT" and "PU" are lit.
Start
Turn on the start switch (STF or STR).
Note: The motor does not start if both the forward and reverse
3
rotation switches are turned on. If both switches are
turned on during operation, the motor decelerates (when
Pr. 250 = "9999") to a stop.
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.
4
Note: Step setting is the way of changing the frequency
consecutively by pressing the [UP/DOWN] key.
Hold down the [UP/DOWN] key to change the frequency.
Stop
Turn off the start switch (STF or STR).
The motor stops running.
5
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Description
56
OPERATION
Image
ON
FR-DU04
CONTROL PANEL
Hz
A
V
MON
EXT
PU
REV
FWD
Forward
rotation
Reverse
rotation
FR-DU04
CONTROL PANEL
ON
Hz
A
V
MON
EXT
PU
REV
FWD
<Step setting>
FR-DU04
CONTROL PANEL
Hz
A
V
MON
EXT
PU
REV
FWD

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