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200
----
WFS AMPS
V
OLTS TRIM
LESS
DEPOSITION
MORE
DEPOSITION
200
----
WFS AMPS
V
OLTS TRIM
LESS
DEPOSITION
MORE
DEPOSITION
EFFECT / RANGE
PEAK CURRENT
B A C K G R O U N D
CURRENT
TAIL OUT
(STT ll MODES
ONLY)
DESCRIPTION
Peak Current acts similar to an
arc pinch control. Peak Current
sets the arc length and pro-
motes good fusion. Higher
peak current levels will cause
the arc to broaden momentarily
while increasing arc length. If
set too high, globular transfer
may occur. Setting it too low
may cause instability and wire
stubbing. Best practice is to
adjust for minimum spatter and
puddle agitation.
Background Current controls
the overall heat input in the
weld. High background cur-
rents flatten the weld bead,
and low background currents
create a taller rounded con-
tour.
Tail out provides additional
power without the molten
droplet becoming too large.
Increase as necessary to add
heat input without increasing
arc length. Often this results in
faster travel speeds. Note that
as tail out increases, the peak
current and/or background cur-
rent may need to be reduced.
PREFLOW TIME
0 - 25.0 seconds
RUN-IN WFS:
Off, 30 to150 in/min.
Start Procedure
FUNCTION
Adjusts the time the gas flows
after the trigger is pulled and
prior to feeding wire.
Run-in sets the wire feed
speed from the time the trigger
is pulled until an arc is estab-
lished.
The Start Procedure controls
the WFS. Trim at a specified
time at the beginning of the
weld. During the start time, the
machine will ramp up or down
from the Start Procedure to the
preset Welding Procedure.
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PARAMETER RANGE
Postflow Time:
0 to 10 seconds
Crater Procedure
Burnback:
0 to .25 Seconds
Spot Timer:
0 to 120.0 Seconds
FUNCTION
Adjusts the time that shielding gas
flows after the welding output
turns off.
Crater Procedure controls the
WFS and volts for a specified time
at the end of the weld after the
trigger is released. During the
Crater time, the machine will ramp
up or down from the Weld
Procedure to the Crater
Procedure.
The burnback time is the amount
of time that the weld output contin-
ues after the wire stops feeding. It
prevents the wire from sticking in
the puddle and prepares the end
of the wire for the next arc start.
Adjusts the time welding will con-
tinue even if tigger is still pulled.
This option has no effect in 4-Step
Trigger Mode.
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Use the following tables to review how the machine functions (output controls, arc control, Start options and weld
options) for the weld modes listed in the top table.
&,+',+&%+)&#"%&*(There is no Voltage control when STT welding.)
$+) #
STEEL
STAINLESS
STEEL
STAINLESS
*
Ar/CO
2
CO
2
Ar/CO
2
CO
2
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STT
STT II
. )* 1
109 125 125
110 126 126
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