MAN. PS 254 EN – Ind. 2 49
* Loading of all the programs
• Insert the memo card.
• Press the button to load a program from
the memo card (symbol ).
• Press the button « plus » (symbol ),
the characters 0 -> 15 ? are shown on the
display. The button « minus »
(symbol ) enables to come back to the
loading function of a single program.
• Validate by pressing the button . The
corresponding indicator will illuminate.
• Wait for the indicator to extinguish before
removing the memo card.
! Deleting a program from the memo card
• Check that the key switch SY 26 is in the
position « Modification authorised ».
• Insert the memo card.
• Press the button « trash » (symbol ), the
name of the first program stored on the
memo card is shown on the display.
• The keys SY 17 and SY 19 are used to
scroll up and down the program you wish
to delete.
• Validate the transfer by pressing . The
corresponding indicator will illuminate.
• You can cancel the suppression of a
programme by pressing again the button
« trash ».
3.3.10. Printing a program
To print a program from a memo card, the
procedure is as follows:
• With the switch BT 4 on the remote control
pendant, choose the number of the
program to print.
• Press the print button (symbol ).
• Validate. The printing indicator is
illuminated.
• After the printing is finished, this indicator
will extinguish.
• Modifications of the values of weld
parameters can be done in two different
modes, one during development of a weld
procedure and the second in production.
! Modifying the parameters before
starting a program
To select this mode, turn the key operated
switch SY 26 to the "Modification authorised"
position (symbol ). The key can be removed
afterwards.
In this mode you can increase (+) or decrease
(-) during the weld cycle the values of the I22,
V32 (for no-pulsed speed rotation), V33 (for
pulsed speed rotation) or V42 parameters with
the "Delta" buttons.
The modification values of the delta buttons
cannot be changed by the user. It depends on
the value of the parameter which is being
acted upon. The table below gives the
relationship between the parameter value and
the correction made by each press of the delta
button.
When a delta button is used, the value of the
parameter concerned is displayed during 5
seconds on the front face of the PS 254.
Wire feeder rotation speed :
Value of parameter Delta
<= 99
1
100 - 199 2
200 – 299 3
300 – 399 4
400 – 499 5
500 – 599 6
600 – 699 7
700 – 799 8
800 – 899 9
900 – 999 10
All actions on the delta buttons are taken into
account (within the parameter limits) and
stored in the memory of the relevant sector.
After moving from one sector to another, the
corrections made in the preceding one are
carried through to the next. The modifications
are not forgotten or lost. The number of deltas
in this mode is not limited.
! Modifications made during the weld
cycle
To access the production mode, the key
operated switch SY 26 has to be turned to the
"Program modification not authorised" position
(symbol ). The key can be removed
afterwards to avoid unauthorised modifications
being made to the programs.
This mode includes two differences:
• The number of deltas per parameter is
limited to 10 (10 increments or 10
decrements)
• The modifications are not stored in the
memory.
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