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Gas setup param-
eters
"Minimum" and "maximum" are used for setting ranges that differ according to power
source, wire-feed unit, welding program, etc.
Pre-flow
Gas pre-flow time
Unit s
Setting range 0,0 - 9,9
Factory setting 0,4
Post-flow lmin
Post-flow at I
min
Gas post-flow time at minimum welding current (minimum gas post-flow time)
Unit s
Setting range 0 - 25
Factory setting 5
Post-flow lmax
Post-flow at I
max
Increase in gas post-flow time at maximum welding current
Unit s
Setting range 0 - 40/Aut
Factory setting Aut
The value set for "post-flow lmax" only applies if the maximum welding current actually
has been set. The actual value is derived from the present welding current. With a medi-
um welding current, for example, the actual value will be one-half of the value set for
"post-flow lmax".
IMPORTANT! The values set for the 'post-flow lmin' and 'post-flow lmax' welding param-
eters are added together. For example, if both welding parameters are at maximum (25
s / 40 s), the gas post-flow will last:
- 25 s at minimum welding current
- 65 s at maximum welding current
- 37.5 s if the welding current is exactly half the maximum, etc.
If Aut is selected, the gas post-flow time is calculated automatically. This takes the select-
ed process (AC or DC welding) into account.
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