Fronius MagicWave 1700 Job, Operating Instructions Manual, Page: 63 / 148

63
EN
Special 4-step
mode:
variant 1
Variant 1 of special 4-step mode is activated, when the special 4-step (SFS) set-up param -
eter - is set to "1".
Briefly pull back the torch trigger to start intermediate lowering to the specified reduced cur -
rent I
2
. Briefly pull back the torch trigger a second time, to restore the main current I
1
.
Special 4-step mode: Variant 1
Special 4-step
mode:
variant 2
Variant 2 of the special 4-step mode is activated when the special 4-step SFS set-up pa -
rameter - is set to "2“.
Intermediate lowering takes place in variant 2 on the basis of the selected slope values -
downslope t
down
and upslope t
up
:
- Push forward and hold the torch trigger: the welding current continuously drops at the
set downslope value until it reaches the specified reduced current I
2
. It remains at the
reduced current value I
2
until the torch trigger is released.
- When the torch trigger is released: the welding current rises at the specified upslope
value until it reaches the main current value I
1
.
Special 4-step mode: Variant 2
I
t
I
1
GPr
I
S
t
down
I
E
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