4-Step Mode; Special 4-Step: Variant 1 - Fronius TransTig 1750 Puls Operating Instructions Manual

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4-step mode

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IMPORTANT! For 4-step mode, the SFS setup parameter must be set to "OFF".
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*)
Intermediate lowering during the main current phase causes the welding current to be re-
duced to the specified reduced current I
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Special 4-step: Variant 1 of the special 4-step mode is activated when the SFS setup parameter is set to
variant 1 "1".
Briefly pull back the torch trigger to start intermediate lowering to the specified reduced cur-
rent I
restored.
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S
GPr t t
S up
Welding start-up with starting current I
Welding with main current I
Lowering to end current I
E
End of welding: release the torch trigger
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S
GPr t t
S up
Intermediate lowering
To activate intermediate lowering, push forward and hold the torch trigger
To revert to the main current, release the torch trigger
. When the torch trigger is briefly pulled back a second time, the main current I
2
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1
SPt
: pull back and hold the torch trigger
S
: release the torch trigger
1
: pull back and hold the torch trigger
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1
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2
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.
2
I
E
t t
down E
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1
I
E
t t
down E
t
G-L
G-H
t
G-L
G-H
is
1
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