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03/2006
System overview
Fig. 11-1
What data does
the system
contain?
Where are the data
The data is normally stored in the buffered RAM of the NC or PLC. All
stored?
the data can also be stored in certain directories on the hard disk of the
PCU 50/50.3/70.
Setting for the
When the data is output via the V24 interface, only the archive format is permit-
V24 interface
ted for certain data. This applies to data with the extension ARC and the FDD
and MSD boot files.
If remote diagnostics is active, another RS-232 interface must be used for
reading out the data.
Select the
The "Services" area of HMI Advanced contains an overview of all the programs
"Services" area
or data contained in the NC, PLC, drive and on the hard disk. To view all the
directories, you must first go to the "Select file" screen and set the display accor-
dingly. Only then are the required data displayed to you.
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
PCU 50/50.3/70
V24
Hard disk
MPI
CCU1/CCU2
FDD
RAM
buffered
System overview
Drive data
NC data
11 Data Back-Up
11.6 Data back-up via V24
PG/PC
Diskette
MSD
PLC data
HMI data
11
11-237
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