Siemens SIMATIC TDC User Manual

Submodules
8.1 Program memory modules CPU555
SIMATIC TDC hardware
218 System Manual, 08/2017, A5E01114865-AL
Memory overview
The following table shows the differences in the expansion of the program memory modules:
Application
S7 MMC
6ES7953-8LL31-0AA0
6ES7953-8LM31-0AA0
6ES7953-8LP31-0AA0
Flash memory for storing the configu-
ration and variable operating parame-
ters
2 MB 4 MB 8 MB
Flash memory is non-volatile and can be electrically programmed and erased.
Dimensions
Dimensions W x H x D [mm] 24 x 1.4 x 32
Weight
1.5 g
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Siemens SIMATIC TDC Specifications

General

Brand	Siemens
Model	SIMATIC TDC
Category	Control Unit
Language	English