page 38
Torch control
The buttons of the torch are monitored by the Master of the DK-MAPRO board.
Schematic
UPDOWN
START
STOP
I2
START / STOP
I2
DOWN UP
Kennung „gasgekühlt“
identification “gas cooled“
1
2
3
4
5
5 pin Tuchel
Master
In case of short circuits between the connecting pins, the machine will stop and displays E10 (error torch connec-
tion).
All gas cooled torches must have an internal cable bridge between pins 4 and 5. This is the identication for the
machine to detect if the water cooling unit should be activated or not.
If there is no connection between pins 4 and 5, the machines will activate the pump as soon as it detects that an
arc is ignited.
If the start contact is already closed when the machine is switched on, the machine displays also E10.
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