08/2005 Starting Up HMI Embedded (IM2)
7 Data Backup
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
IM2/7-115
Bit 6 Battery-backed system variables
($AC_MARKER [ ]; $AC_PARAM [ ] only for INITIAL_INI)
0: All system variables are output
1: Only system variables not equal to 0 are output
Bit 7 Synchronized action GUD (only for INITIAL_INI)
0: All synchronized action GUD are output
1: Only synchronized action GUD not equal to zero are output
Effective: Changes to the data become effective when the upload for
the next area is started.
Note
It might be sensible to back up only altered machine data before a software
update if changes have been made to the default machine data settings in the
new software version. This applies particularly to machine data, which are
assigned SIEMENS protection level 0.
Note
MD 11210 UPLOAD_MD_CHANGES_ONLY should be set to "1" or the
corresponding bits set to "1". With this setting, the transferred files contain only
those data, which deviate from the default. This is of advantage with respect to
future SW upgrades.
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