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01/2008 Machine operating area
4.6 Automatic mode
4
© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 4-135
User
cycles
Display of all existing user cycles
Manufact.
cycles
Display of all existing manufacturer cycles
4.6.3 Loading and unloading the workpiece/part program
Function
Workpieces and part programs can be stored in the NC working
memory ("Load") and erased from this memory again ("Unload") after
they have been executed.
In this way, it is possible to prevent the NC working memory from
becoming unnecessarily overloaded because programs that are no
longer required can be erased immediately.
Sequence of operations
The "Machine" operating area is selected.
Program
overview
The "Program overview" opens.
The vertical softkey bar changes.
Position the cursor in the directory tree on the workpiece/part program
that you wish to load.
Load
HD->NC
The selected workpiece/part program is loaded from the hard disk into
the memory of the NC.
It is erased from the hard disk.
Enable
If the enable command (X) is set, the workpiece can be machined.
Unload
NC->HD
The highlighted workpiece/part program is loaded from the NC
memory to the hard disk.
The workpiece/program is erased from the NC memory.
Execute fr.
hard disk
If a program requires more memory than the NC can provide for
execution, then it can be executed from the hard disk without loading
it completely into the NC.
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