Selco DGW 503.4 Instrucciones De Uso página 16

3 SYSTEM PRESENTATION
3.1 Generalities
The DGW/DGA Series torches are digital MIG/MAG torches
allowing to control the main welding parameters:
- welding current (Synergic MIG process)
- welding voltage (Synergic MIG process)
- wire speed (Manual MIG process)
- welding voltage (Manual MIG process)
- programs recall
and to display the actual values for:
- welding current
- welding voltage
3.2 Front control panel
D1: 7-segment display.
Permits display of general welder information during start-up, the
settings and current and voltage readings during welding, and
alarm codes.
The display of the current and/or voltage measure-
ments is active for the whole welding phase and for a
few seconds after welding ends.
The display of the measurements is replaced by the set
value as soon as any modification is carried out
manually.
T1: Selection Button.
It allows to select the desired welding parameter:
- welding current
- welding voltage
- programme
It allows to select the desired operating mode:
- "standard mode"
- "programme mode"
- "programme correction mode"
The "Selection" button is enabled when the system is powered
and is disabled during welding.
T2-T3: Up-Down Button.
Permits adjustment of the welding parameters It allows to select
the desired welding programme.
The up and down buttons are self-repeating at progressive
speed (the function is enabled when the system is powered - the
function is disabled during welding).
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3.3 Standard Mode
The "Standard Mode" allows to set "without any constraint" the
welding parameters (current and voltage) within a synergy curve
pre-set in the welding system or stored when exiting the
"Programme Mode".
The selection of the desired parameter (welding current or vol-
tage) takes place alternatively through the T1 button.
The setting of the selected parameter is through the T2 and T3
buttons.
To go from "Programme Mode" to "Standard Mode", press the T1
selection button for at least 1 second in position "P--".
The synergy active when exiting the "Programme Mode" is the
last used while welding.
It is possible to set an exit synergy manually without carrying out
any welding. To do this, recall the desired programme and press
the T1 button briefly. The programme in the D1 display flashes
confirming the programme has been stored.
The "Standard Mode" is not active when the system control
panel is blocked .
3.4 "Programme" Mode
The "Programme Mode" allows recalling a series of settings (pro-
grammes) previously adjusted and stored in the welding system.
Recalling the programmes can take place even during the
various welding phases, without any interruption.
The programme is selected with the T2-T3 buttons and is dis-
played on D1 (i.e. P .01, P .02, P .03...P .50).
The letter "P" stands for the selection of a welding programme.
The number next to the letter "P" stands for the number asso-
ciated with the selected programme.
The point next to the letter "P" shows that the selected pro-
gramme really exists (i.e. P .01 is an existing programme, P01
does not exist).
Passing from "Standard Mode" to "Programme Mode" takes place
by pressing the selection button T1 for at least 1 second.
3.4.1 "Programme Correction" Mode
In the "Programme Correction Mode" it is possible to correct the
arc current and voltage within the welding system pre-set limits
(set-up 45 and set-up 46
Within the set-up
to set the correc-
tion limits for the welding current in
percentage with regards to the
value recalled by the programme.
Within the set-up it is possible to set the correction limits
for the welding voltage in percentage with regards to the value
recalled by the programme.
To pass from the "Programme Mode" to the "Programme
Correction Mode", press the selection button T1 for at least 1
second.
).
it is possible