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Latched special
I
Selection
•
Select latched special mode
Step 1
•
Press and hold torch trigger.
•
Shielding gas is expelled (gas pre-flows).
The arc is ignited using liftarc.
•
Welding gas flows at pre-selected setting in start program "P
Step 2
•
Release torch trigger.
•
Slope on main program "P
The slope on main program P
latest when the torch trigger is released.
Tapping can be used to switch to the reduced main program "P
back to the main program "P
Step 3
•
Press the torch trigger.
•
Slope to end program "P
Step 4
•
Release torch trigger.
•
Arc is extinguished.
•
Gas post-flow time elapses.
5.8.6
TIG automatic cut-out
The welding machine ends the ignition process or the welding process with an
•
ignition fault (no welding current flows within 5 s after the start signal)
•
arc interruption (arc is intrerupted for longer than 5 s)
099-005183-EW501
17.12.2010
1.
P
A
P
START
Figure 5-48
.
".
A
is given at the earliest after the set time t
A
".
A
".
END
Design and function
2.
P
B
".
START
". Repeated tapping will switch
B
NOTE
TIG welding
3.
4.
t
P
END
t
elapses and at the
START
85
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