Fronius MAGIC WAVE 2000 FUZZY, Operating Instructions Manual

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10
Start of cycle
Gas pre-flow time
Current rise via up-slope
Current drop via
down-slope
Gas post-flow time
End of welding
Crater-fill current I
E
Press the torch trigger and hold it down Release the torch trigger Release the torch trigger
Arc ignition with start arc I
S
Welding with pre-set
main current I
H
Fig.6
Functional sequence in 4-step operating mode
Press the torch trigger and hold it down
I
S
I
H
I
E
I
t
Push trigger forward and hold it Release the torch trigger Release the torch trigger
Fig.6a
Functional sequence in 4-step operating mode - Variant I
Pull back and hold down the torch trigger once again I
S
I
H
I
E
I
t
Pull back torch trigger and hold it down Release the torch trigger
I
E
I
H
Start of cycle
Gas pre-flow time
Current rise via up-slope
Current drop via
down-slope
Gas post-flow time
End of welding
Crater-fill current I
E
Arc ignition with start arc I
S
Welding with pre-set
main current I
H
Current rise via up-slope
Current drop via
down-slope
Welding with pre-set
main current I
H
Crater-fill current I
E
Welding with pre-set reduced current Welding with pre-set reduced current Release the torch trigger
Fig.7
Functional sequence in special 4-step mode - Variant I
Press the torch trigger and hold it down
I
S
I
H
I
3
I
t
Press the torch trigger and hold it down Release the torch trigger
I
E
I
H
Start of cycle
Gas pre-flow time
Current rise via up-slope
Gas post-flow time
End of welding
Welding with pre-set
lowering current
Arc ignition with start arc I
S
Welding with pre-set
main current I
H
Current drop via
down-slope
Welding with pre-set
main current I
H
Crater-fill current I
E
Fig.7a
Functional sequence in special 4-step mode - Variant II
I
S
I
H
I
t
I
E
I
H
Start of cycle
Gas pre-flow time
Current rise via up-slope
Gas post-flow time
End of welding
Welding with pre-set
lowering current
Arc ignition with start arc I
S
Welding with pre-set
main current I
H
Current drop via
down-slope
Welding with pre-set
main current I
H
Crater-fill current I
E
I
E
Current drop via
down-slope
Current rise via up-slope
Pull back torch trigger and hold it down Release the torch trigger Release the torch trigger
Pull back torch trigger and hold it down Release the torch trigger
briefly press the torch trigger
Start of cycle
Gas pre-flow time
End of welding
Gas post-flow time
Press the torch trigger and hold it down Release the torch trigger
Arc ignition
Welding with pre-set
main current I
H
Fig.8a
Functional sequence in special 2-step mode
I
H
I
t
Start of cycle
Gas pre-flow time
Current rise via up-
slope
End of welding with
Down-Slope off
crater-fill I
E
Gas post-flow time
Press the torch trigger and hold it down Release the torch trigger
Arc ignition with start
arc I
S
Welding with pre-set
main current I
H
Fig.8
Functional sequence in 2-step operating mode
I
H
I
t