Design and function
TIG welding
36
099-000120-EW501
26.07.2011
5.6.10
Function sequences/operating modes
The parameters for the function sequence are set using the “Select welding parameters” button and the
“Welding parameter setting” rotary dial.
Figure 5-8
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 flows, times and parameters.
5.6.10.1
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