Fronius TransTig 1750 Puls, Operating Instructions Manual

Page: 52 / 88

50
TIG welding
Safety
Welding parame-
ters
WARNING! Operating the equipment incorrectly can cause serious injury and
damage. Do not use the functions described until you have thoroughly read and
understood the following documents:
-
these operating instructions
- all the operating instructions for the system components, especially the safe-
ty rules
WARNING! An electric shock can be fatal. If the power source is connected to the
mains electricity supply during installation, there is a high risk of very serious in-
jury and damage. Before carrying out any work on the device make sure that:
-
the power source mains switch is in the "O" position
- the power source is unplugged from the mains
Starting current I
S
Unit %
Setting range 0 - 200 % of main current I
1
Factory settings 50
Upslope t
up
Unit s
Setting range 0.01 - 9.9
Factory settings 0.5
IMPORTANT! The upslope t
up
is saved separately for 2-step and 4-step modes.
Main current I
1
Unit A
Setting range 2 - 170
Factory settings 2
IMPORTANT! On welding torches with the Up/Down function, the entire setting range
can be selected while the device is idling. During welding, the main current can be cor-
rected in steps of +/-20 A.
Reduced current I
2
(4-step mode)
Unit % (of main current I
1
)
Setting range 0 - 100
Factory settings 50
Downslope t
down
Unit s
Setting range 0.01 - 9.9
Factory settings 1.0
IMPORTANT! The downslope t
down
is saved separately for 2-step and 4-step modes.