Technical data

Structure and Use of the CPU Memory
Function Manual, 01/2013, A5E03461664-01
3
Preface
Purpose of the documentation
This documentation describes the various memory areas of the S7-1500 CPU, and shows
you how to make the best use of these memory areas.
The manual also shows you how to free work memory by using recipes and Data Logs.
Basic knowledge required
The following knowledge is required in order to understand the documentation:
● General knowledge of automation technology
● Knowledge of the SIMATIC industrial automation system
● Knowledge about the use of computers
● Knowledge of working with the TIA Portal and STEP 7
Conventions
Please also observe notes marked as follows:
Note
A note contains important information on the product described in the documentation, on the
handling of the product and on the section of the documentation to which particular attention
should be paid.
Scope of the documentation
This documentation is valid for all CPUs of the S7-1500 product family.
Additional support
● The range of technical documentation for the individual SIMATIC products and
automation systems can be found on the Internet
(http://www.siemens.com/simatic-tech-doku-portal
).
● The online catalog and the ordering system are available on the Internet
(www.siemens.com/industrymall
).