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                                  This is the web edition of the original ⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements.  | 
                           
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TÜV SÜD Rail Certification Report for AC500-S Safety PLC, Version - 2018 (or newer), available at ⮫ www.abb.com/plc
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PROFIsafe - Profile for Safety Technology on PROFIBUS and PROFINET Profile part, related to IEC 61784-3-3, Version 2.6MU1, 2018/08 (or newer)
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AC500 user documentation for Automation Builder / Control Builder Plus, available at ⮫ www.abb.com/plc
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IEC 61131, 2003 (or newer), Programmable Controllers, Part 3 - Programming Languages
 - [5]
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Computer Science and Engineering at University of California, Riverside, Chapter 14, Ch14_Floating Point Calculations and its drawbacks.pdf
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User Examples with PLCopen Safety Functions, Version 1.0.1, 2008 (or newer)
 - [7]
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PROFIsafe System Description, Version - Nov. 2007 (or newer)
 - [8]
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PLCopen Safety: Concepts and Function Blocks, Version 1.0, 2006 (or newer)
 - [9]
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PLCopen Safety: Concepts and Function Blocks, Version 2.0, 2020 (or newer)
 - [10]
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ISO 13849-1: Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design, 2015 (or newer)
 - [11]
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PROFIBUS Guideline: PROFIsafe - Environmental Requirements, V2.5, March 2007 (or newer)
 - [12]
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PROFIBUS Guideline: Communication Function Blocks on PROFIBUS DP and PROFINET IO, V2.0, November 2005. Order No. 2.182 (or newer)
 - [13]
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RIO-FA_3242_V110_Aug18.pdf, 2018/10/30, version 1.1.0, order no. 3.242, ⮫ https://de.profibus.com/downloads/remote-io-for-factory-automation-rio-for-fa
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TCI - Tool Calling Interface for PROFIBUS DP and PROFINET IO: TCI-2602-7602_V11_Oct08.zip V1.1, ⮫ https://www.profibus.com/download/tci-tool-calling-interface