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

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
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