Design and function
TIG welding
40
099-000099-EW501
29.08.2014
5.8.6
Function sequences/operating modes
Figure 5-15
Item Symbol
Description
0
1
Select welding parameters button
This button is used to select the welding parameters depending on the welding process
and operating mode used.
2
Welding parameter setting rotary transducer
Setting of all parameters such as welding current, sheet metal thickness, gas pre-flow
time, etc.
5.8.6.1
Explanation of symbols
Symbol
Meaning
Press torch trigger 1
Release torch trigger 1
I
Current
t
Time
Gas pre-flows
I
start
Ignition current
t
Up
Up-slope time
tP
Spot time
AMP
Main current (minimum to maximum current)
AMP%
Secondary current (0% to 100% of AMP)
t1
Pulse time
t2
Pulse pause time
ts1
TIG pulses: Slop time from main current (AMP) to secondary current (AMP%)
ts2
TIG pulses: Slop time from secondary current (AMP%) to main current (AMP)
t
Down
Down-slope time
I
end
End-crater current
Gas post-flows
