Abstract
IEC 61784-2:2010 specifies performance indicators supporting classification schemes for Real-Time Ethernet (RTE) requirements; profiles and related network components based on ISO/IEC 8802-3, IEC 61158 series, and IEC 61784-1; RTE solutions that are able to run in parallel with ISO/IEC 8802-3-based applications. These communication profiles are called Real-Time Ethernet communication profiles. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes with respect to the previous edition are:
- update of the dated references to the IEC 61158 series, to IEC 61784-1, to the IEC 61784-3 series, to the IEC 61784-5 series and to IEC 61918 throughout the document;
- update of selection tables for CPF 2, CPF 3, CPF 11 and CPF 14;
- addition of a new profile CP 11/2 in 12.3;
- addition of a new profile CP 14/3 in subclause 15.5;
- addition of a new Communication Profile Family - CPF 17;
- new subclause 3.3.12 (CPF 17 symbols);
- new Clause 18 for CPF 17 with one profile;
- addition of a new Communication Profile Family - CPF 18;
- new subclause 3.3.13 (CPF 18 symbols);
- new Clause 19 for CPF 18 with one profile;
- specification changes for CPF3;
- update of the requirements for all conformance classes;
- added precise timing requirements for IP;
- updated timing requirements for IO devices;
- added precise timing requirements for PTCP;
- increasing the amount of synchronized devices in line;
- integrating the fast startup as additional feature.
This bilingual version published in 2011-12, corresponds to the English version published in 2010-07.
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