54 MAN. PS 254 EN – Ind. 2
downslope sequence. This function provides
the workpiece as much as possible from being
damaged. The indicator will flash because this
is not a regular cycle end.
Fig. 3.12 : Manual downslope button
! Immediate cycle stop
When the stop button BT 7 of the remote
control pendant is pressed, the arc and all
movements are stopped immediately. The
shielding gas is maintained during the
programmed post gas period T25. The
indicator will flash because this is not a regular
cycle end.
Fig. 3.13 : Immediate manual stop button
! Emergency stop
The remote control pendant is fitted with an
emergency button BT 2. By pressing this
button, the PS 254 is immediately
disconnected from the mains power supply.
The weld, the movements and the gas flow are
stopped suddenly.
This function may cause serious damages to
the workpiece and equipment. Polysoude
advises you, if possible, to choose a stop
with the downslope button or with the
immediate stop button.
Fig. 3.14 : Emergency stop button
! Using a manual welding torch
You should introduce a short program with
both a high and a low current when welding
with a manual torch as described in paragraph
2.3.6.
The arc is struck by pressing the manual
command button. The weld current value is
equal to the programmed ignition current. If
you release this button, the high current value
I22 is applied. If you press this button again,
the low current I23 will be used. The next
release restarts the high current and so on.
The cycle stop is made either by pressing on
the downslope button, or for an immediate
cycle stop, by pressing on both ends of the
manual command button.
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