Mitsumi electronic FR-F520-0.75K Welding System User Manual


 
OPERATION/CONTROL
57
3.4.2 External operation mode (Operation using external input signals)
(
1
)
Operation at 60Hz
Step Description Image
1
Power-on
Operation mode check
Switch power on and make sure that the operation command indication "EXT" is lit.
(If it is not lit, press the
MODE
key to choose the operation mode and press the
key to switch to external operation. For operation mode changing, refer to
page 49.)
ON
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
Start
Turn on the start switch (STF or STR).
The operation status indication "FWD" or "REV" flickers.
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 to a stop.
2
Reverse
rotation
Forward
rotation
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
3
Acceleration
Constant speed
Slowly turn the potentiometer (frequency setting potentiometer) full clockwise.
The frequency shown on the display increases gradually to 60.00Hz.
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
4
Deceleration
Slowly turn the potentiometer (frequency setting potentiometer) full
counterclockwise.
The frequency shown on the display decreases gradually to 0.00Hz.
The motor stops running.
FR-DU04
CONTROL PANEL
Hz
MON EXT PU
A
V
REV FWD
5
Stop
Turn off the start switch (STF or STR).
OFF
Stop
Forward
rotation
Reverse
rotation
(
2
)
External jog operation
Keep the start switch (STF or STR) on to perform operation, and switch it off to stop.
1) Set Pr. 15 "jog frequency" and Pr. 16 "jog acceleration/deceleration time".
2) Select the external operation mode.
3) Switch on the jog signal. Keep the start switch (STF or STR) on to perform operation.
Use any of Pr. 180 to Pr. 186 "input terminal function selection" to assign the terminal used for the jog
signal.