5
(14) LED indicator "HOLD"
- Permits subsequent checking of the welding parameters
- Lights up after actual values have been stored (end of welding)
- The mean of the welding current and voltage values measured before the end
of a welding operation is indicated by the digital displays (2) and (3)
- The function works in the operating mode for r.c. pedal unit, and pulsed-arc
welding up to 20 Hz
Ways of deleting the HOLD function:
- By actuating the torch trigger between welds
- Switch the mains master switch off and back on again
- By adjusting the welding current dial (15) during the breaks between welding
- By pressing the function button (4)
- Every time you start welding
(15) Main current dial I
H
= welding current
- For continuous adjustment of the welding current over the
2-140 A electrode or 2-160 A / 170A TIG range
- LED indicator (10) lights up (only at electrode operating mode)
- The digital ammeter indicates the command value for current as soon as the
machine is in open circuit, and then switches over to an indication of the
actual value.
Command value -> desired welding current
Actual value -> actual welding current
(16) CRATER-FILL CURRENT: I
E
- Only possible in 4-step operation
- Is set as a %-age of the main current
When the crater-fill current potentiometer is used, the pre-set value will be
indicated for 3 seconds
- The welding current is lowered to the crater-fill current when the torch trigger
is pressed.
- LED control light (12) indicates that this is taking place
The following parameters are laid down
- Gas pre-flow time ............................................ 0,4 sec.
- Start arc .......................................................... 29% of I
H
- Up-slope .......................................................... 1,0 sec.
- Gas post-flow time .......................................... 5-15 sec.
All parameters can be changed individually, via a program menu.
Description of
functions
(continued)
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