Miller Electric OM-220 390F Welder User Manual


 
OM-220 390 Page 22
6-7. Feeder Set Up Push Button
1 Feeder Set Up Push Button LED
2 Feeder Set Up Push Button
Press button to choose Sequence. Feeder
Set Up push-button LED will illuminate.
3 Sequence LED
When the Feeder Set Up button is pressed
once, the Sequence LED will illuminate and
the upper display will show sequence
options. Use the Adjust knob to select PRE
(preflow), STRT (start), CRTR (crater), or
POST (postflow).
Press the lower display push button and the
Lower Display push-button LED will
illuminate as well as the lower display. The
Time LED will automatically begin flashing
indicating that a time value can be entered
by turning the Adjust knob. By entering a
time value the sequence state will become
active. To turn off a sequence state, change
the time value to OFF. To step back for
selecting another sequence option, press
the Upper Display push button.
The Sequence option STRT and CRTR will
have additional parameter settings. By
pushing the Lower Display push button a
second time, while STRT or CRTR appear
in the upper display, allows entering voltage
(MIG) or Arc Adjust [Pulse, Accu-pulse, or
RMD (optional)]. Use the Adjust knob to
change the values indicated by the flashing
LED for either Volts or Arc Adjust. Pressing
the Lower Display push button a third time
will activate the WFS setting for either STRT
or CRTR and the WFS LED will begin
flashing. Use the Adjust knob to change the
WFS value.
Pressing the Feeder Set Up button two
more times will exit the Sequence menu and
return the system to standby mode.
4 Trigger Control LED
Press the Feeder Set Up button twice and
the Trigger Control LED will illuminate, and
the upper display will show the different
trigger control selections. Use the Adjust
knob to cycle through the trigger control
methods as follows: DS, TH, TDS, TPS, and
4T (see Section 6-1 for definitions). The
lower display will show the current state of
each trigger control method as being on or
off. Not all trigger control methods are
compatible with each other, therefore,
turning on certain trigger selections will
cause other trigger selections to turn off.
Press the lower display push button to
illuminate the push-button LED and enable
the use of the Adjust knob to allow turning
selected trigger control methods on or off. If
trigger hold is set to on, the Trigger Hold
LED will illuminate.
. Trigger Hold is automatically set to On
with the 4T trigger selection. This is part
of the 4T function.
Press the Feeder Set Up button a third time
to cycle back to standby mode.
Sequence Diagram
Preflow
Time
Start
Time
Crater
Time
Postflow
Time
FeederSetup
1
3
4
2
6-8. Adjust Knob
1
1 Adjust Knob
The Adjust knob is used to change
functions and parameters. Refer to
the front panel sections for
information regarding use of this
control.
Adjust