Design and function
TIG welding
099-000188-EW501
22.02.2016
45
5.8.9
Expert menu (TIG)
The expert menu includes functions and parameters which are either not set on the machine control, or
which do not require regular setting.
ENTER
3s
EXIT
3s
Figure 5-19
Display
Setting/selection
Gas pre-flow time
Setting range: 0.1 s to 5.0 s (0.1 s increments)
Ignition current
Setting range in percent: depending on main current
Setting range, absolute: Imin to Imax.
Upslope time to main current
Setting: 0.0 sec. to 20.0 sec. (factory setting 1.0 sec.)
End-crater current
Setting range in percent: depending on main current
Setting range, absolute: Imin to Imax.
Diameter of tungsten electrode/ignition optimisation
1 mm to 4 mm or larger (0.1 mm increments)
Alternating current balance (AC)
Max. setting range: -30% to +30% (1% increments).
Optimisation of cleaning and fusion penetration.
AC frequency (AC)
Setting range: 50 Hz to 200 Hz (increments of 1 Hz).
Pulse balance
Percentage of time from pulse cycle Tpuls for pulse current
Setting range 1% to 99%, ex works: 50%
Pulse frequency
Setting range: 0.2 Hz to 2.0 kHz, ex works: 2.8 Hz
Pulse current
Setting range 1% to 200%, ex works: 140%