Technical data of CPU 31x
7.1 General technical data
CPU 31xC and CPU 31x, Technical Data
7-2 Manual, 01/2006 Edition, A5E00105475-06
Width of CPU
CPU Width
CPU 312 40 mm
CPU 314 40 mm
CPU 315-2 DP 40 mm
CPU 315-2 PN/DP 80 mm
CPU 317-2 DP 80 mm
CPU 317-2 PN/DP 80 mm
CPU 319 120 mm
7.1.2 Technical specifications of the SIMATIC Micro Memory Card (MMC)
Plug-in SIMATIC Micro Memory Card (MMC)
The following memory modules are available:
Table 7-1 Available SIMATIC Micro Memory Cards
Type Order number Required for a firmware update via
SIMATIC Micro Memory Card
MMC 64k 6ES7 953-8LFxx-0AA0 –
MMC 128k 6ES7 953-8LGxx-0AA0 –
MMC 512k 6ES7 953-8LJxx-0AA0 –
MMC 2M 6ES7 953-8LLxx-0AA0 Minimum requirement for CPUs without DP interface
MMC 4M 6ES7 953-8LMxx-0AA0 Minimum requirement for CPUs without DP interface
(except CPU 319)
MMC 8M
1
6ES7 953-8LPxx-0AA0 Minimum requirements for the CPU 319
1
If you plug in the CPU 312C or CPU 312, you cannot use this SIMATIC Micro Memory
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)
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