Siemens SIMATIC ET 200AL - Page 1551

Designing interference-free controllers
Function Manual, 06/2014, A5E03461486-AB
3
Preface
Purpose of the documentation
This documentation will support you in installing and commissioning programmable
controllers.
Correct configuration is essential for fault-free operation of programmable controllers.
Basic knowledge required
The following knowledge is required in order to understand the documentation:
● General knowledge of automation technology
● Knowledge of the industrial automation system SIMATIC
● Knowledge of VDE (German Association for Electrical, Electronic and Information
Technologies) and EC regulations
● Knowledge of the rules for installing controllers and switchgear
Conventions
You should also pay particular attention to notes such as the one shown below:
Note
A note contains important informat
ion on the product described in the documentation, on the
handling of the product or on the section of the documentation to which particular attention
should be paid.
Scope of the documentation
This documentation is valid for all products of the product series SIMATIC S7-1500,
ET 200MP, ET 200SP and ET 200AL.
The product series SIMATIC S7-1500, ET 200MP and ET 200SP are approved for IP20
degree of protection, i.e. the modules of these product series must be installed in a control
cabinet.
The SIMATIC ET 200AL product series is approved for IP65/IP67 degree of protection, i.e.
the modules need
not
be installed in a control cabinet.