S7: Memory configuration
14.3 Configuration of the static user memory
Extended Functions
760 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
The maximum adjustable values depend on:
● The system and thus the memory space available (including an optional memory
expansion)
● from the defined maximum values, see also:
References:
Detailed machine-data description
Memory space for active file system
The memory space for the active file system is divided into various data areas (tool
management, global user data, etc.), which can be defined individually using machine data.
The memory still available is shown in machine data:
MD18060 $MN_INFO_FREE_MEM_STATIC
(free-static-memory display data)
You can expand the sizes of the individual memory areas for the active file system with the
relevant machine data until the available memory has been used.
Note
The memory required to expand the memory areas is displayed in the "Startup" area of the
user interface. This information enables the system startup engineer to estimate the actual
memory requirements for the planned expansion.
Memory expansion (option)
The machine manufacturer can also purchase additional static user memory as an option.
You can use the additional memory space as required to expand partitions U and M or to
expand the memory area of the active file system.
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