Fronius MagicWave 1700 Job, Operating Instructions Manual

Page: 64 / 148

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Special 4-step
mode:
variant 3
Variant 3 of special 4-step mode is activated when the special 4-step mode (SFS) set-up
parameter - is set to "3".
In variant 3, push forward and hold the torch trigger to start intermediate lowering. Release
the torch trigger to resume the main current I
1
.
When the torch trigger is pulled back, welding ends immediately without downslope and
final current.
Special 4-step mode: Variant 3
Special 4-step
mode:
variant 4
Variant 4 of the special 4-step mode is activated when the SFS set-up parameter is set to
"4".
- Welding start-up and welding: briefly pull back and release the torch trigger - the weld -
ing current will rise at the specified upslope value from the starting current I
S
until it
reaches the main current value I
1
.
- Push forward and hold the torch trigger for intermediate lowering
- Release the torch trigger to resume the main current I
1
- End of welding: briefly pull back and release the torch trigger
Special 4-step mode: variant 4
I
t
I
1
GPr
I
S
G-L / G-H
I
1
I
2
t
up
I
t
I
1
GPr
I
S
t
down
I
E
G-L
G-H
I
1
I
2
t
up
t
E
t
S