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Functional characteristics
TIG welding
5.4.5
Operating modes (functional sequences)
5.4.6
Legend
Symbol
Meaning
Press torch trigger
Release torch trigger
I
Welding current
Gas pre-flows
Gas post-flows
Non-latched
Latched
t
Time
t
Upslope time
Up
t
Downslope time
Down
I
Start current
start
I
End-crater current
end
5.4.6.1
Automatic cut-out
Once the fault periods have elapsed, the automatic cut-out stops the welding process when it has been
triggered by one of two states:
•
During ignition
5 s after the start of the welding process, no welding current flows (ignition error).
•
During welding
The arc is interrupted for more than 5 s (arc interruption).
32
099-M183xA-EW501
15.7.2022
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