Technical Specifications Of The Micro Memory Card (Mmc) - Siemens CPU 31 Series Technical Data Manual

Technical data of CPU 31xC
6.1 General technical data
6.1.2

Technical specifications of the Micro Memory Card (MMC)

Plug-in SIMATIC Micro Memory Card (MMC)
The following memory modules are available:
Table 6-1
Type
MMC 64k
MMC 128k
MMC 512k
MMC 2M
MMC 4M
MMC 8M
If you plug in the CPU 312C or CPU 312, you cannot use this SIMATIC Micro Memory
1
Card.
Maximum number of loadable blocks on the SIMATIC Micro Memory Card
Number of blocks that can be stored on the SIMATIC Micro Memory Card depends on the
capacity of the SIMATIC Micro Memory Card being used The maximum number of blocks
that can be loaded is therefore limited by the capacity of your MMC (including blocks
generated with the "CREATE DB" SFC)
Table 6-2
Size of SIMATIC Micro Memory
Card
64 KB
128 KB
512 KB
2 MB
4 MB
8 MB
6-2
Available SIMATIC Micro Memory Cards
Order number
6ES7 953-8LFxx-0AA0
6ES7 953-8LGxx-0AA0
6ES7 953-8LJxx-0AA0
6ES7 953-8LLxx-0AA0
6ES7 953-8LMxx-0AA0
6ES7 953-8LPxx-0AA0
1
Maximum number of loadable blocks on the SIMATIC Micro Memory Card
Required for a firmware update via
SIMATIC Micro Memory Card
–
–
–
Minimum requirement for CPUs without DP interface
Minimum requirement for CPUs without DP interface
(except CPU 319)
Minimum requirements for the CPU 319
Maximum number of blocks that can be loaded
768
1024
Here the maximum number of blocks that can be loaded for
the specific CPU is less than the number of blocks that can be
stored on the SIMATIC Micro Memory Card.
Refer to the corresponding specifications of a specific CPU to
determine the maximum number of blocks that can be loaded.
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06