Function Sequences/Operating Modes; Explanation Of Symbols - EWM Tetrix 351 AC/DC Smart FW Operating Instructions Manual

5.8.7

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.
Item Symbol
1
2
5.8.7.1

Explanation of symbols

Symbol Meaning
Press torch trigger 1
Release torch trigger 1
I Current
t Time
Gas pre-flows
I Ignition current
start
t Up-slope time
Up
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-slope time
Down
End-crater current
I
end
Gas post-flows
099-000135-EW501
10.07.2014
Description 0
Select welding parameters button
This button is used to select the welding parameters depending on the welding process
and operating mode used.
Welding parameter setting rotary dial
Setting currents, times and parameters.
Design and function
Figure 5-12
TIG welding
43