6 Pro
rammin
the control
6
03/2006
6.3 Protection level concept
6-58
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
Table 6-8 Predefined names for the additional parameters
Predefined names for Synact_GUD of type Real, Int
and Bool
Synact-GUD in
SYG_RS[ ] Real SYG_IS[ ] Int SYG_BS[ ] Bool SGUD block
SYG_RM[ ] Real SYG_IM[ ] Int SYG_BM[ ] Bool MGUD block
SYG_RU[ ] Real SYG_IU[ ] Int SYG_BU[ ] Bool UGUD block
SYG_R4[ ] Real SYG_I4[ ] Int SYG_B4[ ] Bool GUD4 block
SYG_R5[ ] Real SYG_I5[ ] Int SYG_B5[ ] Bool GUD5 block
SYG_R6[ ] Real SYG_I6[ ] Int SYG_B6[ ] Bool GUD6 block
SYG_R7[ ] Real SYG_I7[ ] Int SYG_B7[ ] Bool GUD7 block
SYG_R8[ ] Real SYG_I8[ ] Int SYG_B8[ ] Bool GUD8 block
SYG_R9[ ] Real SYG_I9[ ] Int SYG_B9[ ] Bool GUD9 block
The new parameters are
S displayed in the “Parameter area” on the HMI. Even if no GUD definition files
are effective, the new parameters are still available in the relevant GUD
block.
S Deletion is handled as follows:
If the content of a certain GUD definition file is reactivated, then the old GUD
data block in the active file system is first deleted. The new parameters are
also reset.
If this operation takes place via the HMI in the “Services area” under Ma-
nage data using the Define and Activate user data (GUD), then the contents
of the variable are saved to INI files and are restored at the end of the ope-
ration.
The protection level assignments that are possible using the APR and APW
keywords in a GUD definition file continue to relate only to the GUDs defined in
this GUD definition file.
Protection levels for Synact GUDs are assigned via the REDEF command.
The protection levels assignments take effect when the power up is complete.
If, during a standard system start-up, for example, it should be possible to run
initialization files with value assignments on protected variables without having
to modify the access right, then the value assignments must be protected by
checksums.
This method is already used when initializing machine data, setting data and
GUDs. Setting Bit0 in MD 11230: MD_FILE_STYLE means that, when initializa-
tion files are generated, a checksum is generated for each value assignment in
these files.
Note
From software version 7.1 onwards, this checksum is generated for all data to
be protected via initialization files.
Exception: R parameters.
Access, display
and operation
Keywords
Values assigned
with checksums
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