MAN. PS 254 EN – Ind. 2 23
3.2. Programmation surface
General explanation of the functions
! Updating the date and time
The time and date can be entered into the
memory of the PS 254. Both the time and the
date then appear on any printed weld cycle
report.
! Entering your company name
The name of the company can be stored in the
PS 254. This name also appears on any
printed weld cycle report. However, it is not
stored on the memo card.
! Entering the program name
The switch BT 4 on the remote control pendant
is used to select a program allocation.
Furthermore, each time a program is created it
can be given a name. This makes it easier
later on to look for a specific program.
Warning Before the name of a
program is input, the range
of current must be chosen
with the SY 30 selector
The name of the program can consist of up to
8 characters. A character can be any letter of
the alphabet, any number, a space, a full stop
or a comma. The name is shown on the
display of the power source after a program is
selected, it is printed on the program lists and
the weld cycle reports, and it is saved on the
corresponding memo card.
! Making a program
There are two different ways to make a
welding program. You can make a copy of a
built-in program which already exists in the
machine memory and modify it, or you can
create a completely new program.
! Copy and modification of an existing
program
The power source PS 254 comes with more
than 60 built-in programs already stored in the
machine memory. These programs correspond
to the most often faced orbital welding
problems. Knowing the tube material, diameter
and wall thickness, you can choose a program
which is similar to your application, copy it in
one of the 16 user programs and modify it
exactly to your requirements. A list of the 60
stored built-in programs is given in Appendix
5.1.
! Creating a new program
When creating a program, the dialogue will
guide you by indicating when to introduce
parameter values. Proposed values
correspond to most regularly encountered
ones in orbital welding. For a program to be
created, the proposed parameters are for
example:
• Forward rotation without pulsation.
• Pulsed current.
• Wire without pulsation, if the selected
range of current is 160 A.
• Without wire, if the selected range of
current is 50 A
For a list of the proposed parameter values,
please refer to chapter 3.3.11. You are not
obliged to enter all the choices if some of the
parameters and conditions already correspond
to what you require.
! Modifying a program
Outside of a weld cycle you can modify every
program present in the power source's
memory using the synopsis. The operating
mode is the same as that for creating a
program.
! Saving a program in the power source
memory
The creation and modification of programs in
the memory of a PS 254 is only possible if the
key operated switch «Modification authorised
or not» is in the position «Modification
authorised» (symbol
). You can protect
your programs by positioning the key operated
switch in the "Modification not authorised"
position (symbol
) and remove the key.
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