Sequence Controls And Slope Down Settings (Sth Models) - Miller Electric Si 160 Owner's Manual

4-12. Sequence Controls And Slope Down Settings (STH Models)

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5
2
7 8
6
Pulse Control
See Section 4-13
Sequencing is only available while
using a TIG process.
Select TIG process according to
Section 4-9.
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2
3
3
4
To enter Sequencer Control set-up
mode and scroll through paramet-
ers, press and release the Sequen-
cer Parameters switch. Selected
parameter will be displayed on the
meter and the corresponding LED
lights.
Turn Amperage/Set-Up Adjust-
ment control to change value of se-
lected parameter. Value selected is
displayed on the meter.
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4
Use control to set length of time gas
flows before arc initiation. Default is
0.2 seconds (min=0s, max=2.0s).
6
Use control to set a starting amper-
age that is different from the weld
amperage. Default is 40 percent.
(min=10 percent or minimum value
set during initial set-up, max=90
percent or maximum value set dur-
ing initial set-up).
7
Use control select amount of time
that it takes to slope up/down from
initial amperage to weld amperage.
To disable, set to 0. Default =1.0
second. (min=0s, max=10s).
8
Use control to select amount of time
that it takes to slope up/down from
weld amperage to final amperage.
To disable, set to 0. Default =2.0
seconds. (min=0s, max=10s).
Application::
Slope Down Time should be used
while TIG welding materials that are
crack sensitive, and/or the operator
wants to eliminate the crater at the
end of the weld.
9
Use control to select amperage to
which weld amperage has sloped
up/down to. Default is 30 percent.
(min=10 percent or minimum value
set during initial set-up, max=90
percent or maximum value set dur-
10
ing initial set-up).
9
10 Post Flow Time
Use control to set length of time gas
flows after welding stops to protect
weld puddle.
Sequencer Control LEDs
Ammeter And Parameter
Display (Meter)
Amperage/Set-Up Adjustment
Control
Sequencer Parameters
Switch
Preflow Time
Initial Current
Slope Up Time
Slope Down Time
Final Current
OM-250 147 Page 23