About this documentation
2.1
Additional documentation
This documentation and the associated sample files are available free of charge in the
Internet (http://support.automation.siemens.com/WW/view/en/109769506) for downloading.
2.2
Purpose of the documentation
This documentation provides the introduction to communication via the AS-Interface and AS-i
Safety, and uses a typical circuit diagram to show how safety functions can be implemented
with AS-i in the ET 200SP distributed I/O system.
Further information on the topic of AS-i can be found in the AS-i System Manual
(https://support.automation.siemens.com/WW/view/de/51579885) and on the Internet
(https://www.siemens.com/as-interface).
2.3
Target group
This documentation contains information for the following target groups:
• Decision makers
• Technologists
• Configuration engineers
• Commissioning engineers
2.4
Required knowledge
A general knowledge of the following areas is needed to understand this documentation:
• Low-voltage controls and distribution
• Digital circuit logic
• Automation technology
• AS-Interface
• Safety engineering
• SIMATIC STEP 7 or TIA Portal
Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
Function Manual, 08/2020, A5E44991382002A/RS-AB/002
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