Design and function
Arc length restriction (USP)
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099-002061-EW501
05.05.2020
5.4.6 Expert menu (TIG)
The Expert menu has adjustable parameters stored that don’t require regular setting. The number of pa-
rameters shown may be limited, e.g. if a function is deactivated.
The setting ranges for the parameter values are summarised in the Parameter overview section.
ENTER
EXIT
Figure 5-36
Display
Setting/selection
Ignition current (as percentage, dependent on main current)
Upslope time to main current
Pulse frequency
Pulse balance
Pulse current
> see 5.4.5 chapter
Arc length restriction
> see 5.5 chapter
------- Function switched on
------ Function switched off
5.5 Arc length restriction (USP)
The arc length restriction
function stops the welding process when an excessive arc voltage is detec-
ted (unusually high gap between electrode and workpiece). This function can be adjusted in the corres-
ponding Expert menu, depending on the process:
MMA welding
> see 5.2.7 chapter
TIG welding
> see 5.4.6 chapter
The arc length restriction cannot be used for cel characteristics (if available).
