99
EN
tAC
Tacking function when TIG DC welding is selected: Duration of the pulsed welding current
at the start of tacking
Unit s
Setting range OFF / 0.1 - 9.9 / ON
Factory setting OFF
ON The pulsed welding current remains in effect until the end of the
tacking operation
0.1 - 9.9 s The set time begins with the upslope phase. After the end of the
pre-set time period, welding continues with a constant welding
current; any pulsing parameters that have been set are available.
OFF The tacking function is deactivated
The special tacking indicator on the control panel remains lit as long as a value has
been specified for the tacking time.
F-P
Frequency-pulsing - Pulse frequency
Unit Hz / kHz
Setting range OFF / 0.20 Hz - 2.00 kHz
Factory setting OFF
The selected pulse frequency is also used for the reduced current I
2
.
IMPORTANT! If F-P is set to "OFF":
- the set-up parameters dcY, I-G and Fd.2 cannot be selected
- the wire feed speed set on the control panel is used for constant wirefeed at a con-
stant welding current.
The special pulsing indicator on the control panel remains lit as long as a value has
been specified for the pulse frequency.
Selecting the pulse frequency F-P:
0.2 Hz to 5 Hz Thermal pulsing (out-of-position welding, automated welding)
1 kHz to 2 kHz Arc-stabilising pulsing (stabilising the arc at a low welding cur-
rent)
dcY
Duty cycle - The ratio of pulse duration to base current duration when a pulse frequency
has been set
Unit %
Setting range 10 - 90
Factory setting 50
I-G
I (current)-Ground - Ground current
Unit % (of main current I
1
)
Setting range 0 - 100
Factory setting 50
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