Commissioning HMI Advanced (IM4) 08/2005
2 Functions/Parameterization
© Siemens AG, 2005. All rights reserved
IM4/2-52 SINUMERIK 840D sl/840D/840Di/810D Installation and Start-Up HMI (IAM) - 08/2005 Edition
2.4 Parameterization of INI Files
2.4.1 Processing INI Files
Notation
[xxx] ; Identification symbol for a “section”
Identifier=value ; Value assignment
Identifier=<empty> ; Delete value
, ; Separator (comma) for multiple assignments
; ; Introduction of comment:
; As a general rule, comments indicate the range of values
; that can be assigned.
REM ; Introduction of comment
Directory structure
The system directory structure is organized in such a way that user changes are
retained if the software is upgraded.
• User changes to the original software are made in parallel directories.
• There is a clear separation between standard HMI software and customer-
specific enhancements.
• The "mmc2" and “hmi_adv” directories (and their subdirectories) should be
read-only directories. They contain the original software supplied. These
directories are overwritten only if the software is upgraded.
The diagram below shows the priority sequence. This means that entries in the
directory to the right overwrite corresponding entries in directories to the left.
mmc2 add_on useroem
Basic system
F:\
hmi_adv
-
A
rea applications
- DLLs
- HMI-specific Data
Priority
Figure 2-9 Priority
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