06.03
10.4 Memory configuration
10-306
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Relocation of cycles into the DRAM file system is an option:
“Cycle storage separate from the CNC user memory”
The cycle areas that are to be relocated into the DRAM file system are selected
in the machine data:
S
MD11290: DRAM_FILESYSTEM_MASK (selection of directories in the
DRAM)
–
Bit 0 = 1: Siemens cycles (CST)
–
Bit 1 = 1: Machine manufacturer cycles (CMA)
–
Bit 2 = 1: User cycles (CUS)
Selection of the cycle areas to be saved to retentive background memory on a
NCK power ON reset (reboot) or correct termination of Windows–NT is carried
out per machine data:
S
MD11291: DRAM_FILESYST_SAVE_MASK (select directory backup to
DRAM)
–
Bit 0 = 1: Siemens cycles (CST)
–
Bit 1 = 1: Machine manufacturer cycles (CMA)
–
Bit 2 = 1: User cycles (CUS)
On account of the preset value of the machine data, all cycle areas are saved in
the retentive background memory per default.
On loading a series machine start-up file or one of the individual cycles to the
NCK, the cycles are first written to the retentive background memory and then
load to the DRAM file system when the function is selected.
Cycles relocated into the DRAM file system can be changed (edited). The
changes take effect immediately. Retentive storage of the changes in the back-
ground memory is not effected until the next:
–
“NCK power ON reset” (warm start)
–
Proper shutdown of Windows NT.
Notice
If the SINUMERIK 840Di is switched off or if a “serious exception” (blue screen)
has occurred although
–
“NCK power ON reset” (warm start)
–
Proper shutdown of Windows NT
has not been performed, all changes to the cycles made until that time will be
lost.
The following error status can occur in connection with relocation of cycles into
the DRAM file system:
S
Too little memory available in the DRAM file system
Option
Relocation of cycles
Saving cycles
Loading cycles
Changing relocated
cycles
Alarms
10 NC Start-Up with HMI Advanced
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