Design and function
TIG Synergic operating principle
78
099-000115-EW501
17.06.2015
5.13.12.4 AC pulses
(AC pulse, max. 50Hz)
Setting:
+
AMP
= pulse current
AMP% = pulse pause current / basic current
tpuls
= pulse time
tpause
= pulse pause time
Figure 5-39
5.13.12.5 AC special
Application: e.g. for welding thick metal sheets onto thin metal sheets.
Operating
element
Action
Result
Select TIG AC special
Press the "TIG pulses" button until the
signal light comes on
AMP
=
AC current phase pulse current
AMP% =
DC phase pulse pause current
t
pulse
=
Pulse time; AC phase time
t
break
=
Pulse break time; DC phase time
Figure 5-40