Stel REVOLUTION 2500 CE Instruction Manual page 30

DC MODE
To access the TIG - MAIN SETTINGS submenu,
press button ( Fig.4,ref.9 ), and the
following screen appears :
The procedure to regulate the different parameters
( Pre Gas , Slope Up , Slope Down , Post Gas ) is
the same of AC MODE.
In DC MODE is possible to access to the pulse
mode and the pulse mode settings .
The procedure to regulate the different parameters
of pulsing ( PPS , Peak Time, BKGND ) is the
same of AC MODE.
DC PULSE MODE
When you select The Pulse mode DC you can
regulate three different parameters .
For regulate the pulse parameters press the button
PUL SET ( Fig.4,ref. 10 ) . With the encoder
( Fig.4,ref. 12 ) you can regulate the value of the
Frequency ( Hz ) . The value is adjustbale from 0,4
to 1000 Hz .
Press the button ( ref. 11 ) to go to Peak Time
regulation . The value is adjustable from 10 to 90
% . Peak Time refers to pulse-on time or the
percentage of time that you weld at peak current
(the previously adjusted welding current) over the
background current.
Press the button ( Fig.4,ref. 11 ) to go to
Background amps regulation .Background
amp regulation is a percentage of the welding
current .
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