Siemens SIMATIC ET 200AL System Manual page 77

7.3.4 Example of a configuration control
Introduction
Several options/functional variations often exist for machines designed as series products. Or
you have a plant that can operate in different modes.
Combine the modules that are needed for a function. With configuration control (option
handling), you have the option to switch these functions on and off or expand their
configuration.
The following examples show how you can form the control data record for a station option.
The station master consists of an interface module IM 157-1 PN and 15 I/O modules in this
case.
Station option with associated control data record
The configuration with the station options 2 and 4 differ from the station master as follows:
• The modules for options 1 and 3 do not exist.
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ
Configuration control (option handling)
7.3 Creating the control data record
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