Siemens SIMATIC ET 200AL - Page 5

Distributed I/O system
System Manual, 02/2018, A5E31861578-AF
3
Preface
Purpose of the documentation
This documentation provides you with important information on how to configure, install, wire
and commission the SIMATIC ET 200AL distributed I/O system.
Changes compared to previous version
Compared to the previous version, this manual contains the new section Safety-related
symbols for IP65/IP67 modules (Page 93), as well as changes and supplements in section
Technical specifications (Page 84).
Basic knowledge required
A basic knowledge of automation technology is required to understand the documentation.
Validity of the documentation
This documentation is valid for SIMATIC ET 200AL distributed I/O system.
Conventions
Please observe notes labeled as follows:
Note
A note contains important information on the product described in the documentation and on
the handling of the product to which particular attention should be paid.
Recycling and disposal
For ecologically sustainable recycling and disposal of your old device, contact a certificated
disposal service for electronic scrap and dispose of the device in accordance with the
regulations in your country.
Additional support
● Information about Technical Support is available in section Siemens Industry Online
Support (Page 4).
● The range of technical documentation for the individual SIMATIC products and systems
can be found on the Internet (http://www.siemens.com/simatic-tech-doku-portal
).
● Information about the online catalog and online order system is available in section
Industry Mall (Page 5).