53
GPr
.....
G
as
pr
e-flow time ... 0.0 to 9.9 s
Factory setting: 0.4 s
G-L
.....
G
as-
L
ow ... Gas post-flow at minimum welding amperage (minimum gas post-
flow time) ... 0 to 25 s; factory setting: 5 s
G-H
.....
G
as-
H
igh ... Increase in the gas post-flow time at maximum welding amperage
... 0 to 25 s; factory setting: 15 s
The value set for G-H only applies if the maximum welding current really has been set.
The actual value is derived from the instantaneous welding amperage. With a medium
welding amperage, for example, the actual value will be one-half of the value set for G-
H.
Important!
The values for the set-up parameters G-L and G-H are added together. For
example, if both parameters are on maximum (25 s), the gas post-flow will last:
-
25 s at minimum welding amperage
-
50 s at maximum welding amperage
-
27.5 s where the welding amperage is e.g. exactly half of the maximum
Available set-up
parameters
Instantaneous
welding amperage
I
min
I
max
I
t
G-H
G-L
Inst
a
n
taneous gas post-flow time
Fig.27a
Gas post-flow time as a function of the welding amperage
Содержание MagicWave 1700
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