S
ETTING
I
NTERNAL
F
UNCTIONS
W
ELDING
C
ONDITION
C
HAPTER
6
86
6.7.2.4
F5: Maximum external command voltage
When the internal function F4 (Auto/Semi-auto mode) is used with the setting of "1", set the maximum value of command
voltage input from outside.
Select either from 10 V, 14 V, or 15 V.
The below charts show the relationship between current/voltage command voltage and welding current/voltage.
(Use these charts as a rough indication. Welding current/voltage against the welding conditions setting voltage may differ
from the indications on the charts depending on the external input (command voltage), wire length or routing of the cable
at base material side/torch side.)
6.7.2.5
F6: Upslope time
When the difference between the initial current and welding current is large, the wire may burn up at the change of the
conditions. In this case, adjust the time period changing from the initial current to the welding current (upslope time)
longer.
•
Setting range of upslope time: 0.0 to 10.0 [sec]
6.7.2.6
F7: Downslope time
When the difference between the welding current and crater current is large, the wire may plunge into weld pool at the
change of the conditions (the wire is fed by inertia because the speed reduction is too late). In this case, adjust the time
period changing from the welding current to the crater current (downslope time) longer.
•
Setting range of downslope time: 0.0 to 10.0 [sec]
0
50
100
150
200
250
300
350
400
0
5
10
15
External command voltage (V)
0
5
10
15
20
25
30
35
40
0
5
10
15
External command voltage (V)
14 V
10 V
15 V
14 V
10 V
15 V
<Command voltage - Welding current characteristic>
<Command voltage - Welding voltage characteristic>
W
elding current (A)
W
elding voltage (V)
The minimum value of the voltage for
the welding except TIG welding is 20 A.
