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

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)
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
Hold down the
Stop
Turn off the start switch (STF or STR).
The motor stops running.
5
Note: The stop key is made valid when the Pr.75 "PU stop selection" value is set to any of 14 to 17.
Description
key.
key to change the frequency.
62
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OPERATION/CONTROL
Image
ON
Flicker
Forward
rotation
Reverse
rotation
FR-DU04
ON
MON
<Step setting>
FR-DU04 CONTROL PANEL
Hz
A
V
MON EXT PU
REV FWD
CONTROL PANEL
Hz
A
V
EXT PU
REV FWD