EWM Tetrix 300 - AC Pulses; AC Special

Design and function
TIG welding
099-000121-EW501
29.06.2015
53
5.9.13.4 AC pulses
(AC pulse, max. 50Hz)
Setting: +
AMP = pulse current
AMP% = pulse pause current / basic current
tpuls = pulse time
tpause = pulse pause time
Figure 5-27
5.9.13.5 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 5-28