CIGWELD TRANSTIG 300 AC/DC, Service Manual, Page: 28 / 134

TRANSTIG 300 AC/DC SERVICE MANUAL
4-4 June 30, 2008
4.03 Weld Parameter Descriptions for Transtig 300 AC/DC
Art # A-07237_AC
PRESS AND HOLD
Figu
r
e 4-3: T
r
anstig 300 AC/DC F
r
ont Panel
Parameter Description
This pa r amete r ope r ates in all weld modes except Lift TIG mode and is
used to heat up the weld zone in TIG modes o
r
imp
r
ove the sta
r
t
cha
r
acte
r
istics fo
r
stick elect
r
odes. e.g. low hyd
r
ogen elect
r
odes. It sets
the peak sta r t cu rr ent on top of the
BASE (WELD)
cu rr ent.
e.g.
HOT START
cu rr ent = 130 amps when
BASE (WELD)
= 100 amps &
HOT START
= 30 amps
INITIAL CUR.
This pa r amete r ope r ates in
SLOPE
o r
REPEAT
(4T) TIG modes only and
is used to set the sta r t cu rr ent fo r TIG. The Sta r t Cu rr ent r emains on until
the to r ch t r igge r switch is r eleased afte r it has been dep r essed.
UP SLOPE
This pa r amete r ope r ates in TIG modes only and is used to set the time
fo r the weld cu rr ent to r amp up, afte r the to r ch t r igge r switch has been
p r essed then r eleased, f r om INITIAL CUR to PEAK o r BASE cu rr ent
This pa
r
amete
r
ope
r
ates in TIG modes only and is used to p
r
ovide gas
to the weld zone p
r
io
r
to st
r
iking the a
r
c, once the to
r
ch t
r
igge
r
switch
has been p r essed. This cont r ol is used to d r amatically r educe weld
po r osity at the sta r t of a weld.
HOT START
PRE-FLOW
Table 4-3: T r anstig 300 AC/DC F r ont Panel Pa r amete r Desc r iption