Operating Modes (Functional Sequences); Explanation Of Signs And Functions; Automatic Cut-Out - EWM M3.7X-O Operating Instructions Manual

Functional characteristics
TIG welding
5.3.3

Operating modes (functional sequences)

5.3.3.1

Explanation of signs and functions

Symbol Meaning
Press torch trigger
Release torch trigger
Tap torch trigger (press briefly and release)
Shielding gas flowing
I Welding output
Gas pre-f lows
Gas post-flows
Non-latched
Special, non-latched
Latched
Special, latched
t Time
P Ignition program
START
P
Main program
A
P Reduced main program
B
P
End program
END
tS1
Slope duration from PSTART to PA
5.3.3.2

Automatic cut-out

Once the f ault 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 af ter 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).
48 099-5TLPXQ-EW501
15.12.2022