This Specification describes Slave Redundancy Mechanism for PROFIBUS which are the basic mechanisms for a redundant slave used in several control systems with several master implementations.
Parts of this document were moved and transformed to other Specification of PROFIBUS International (PI) respectively of International Standards, where the PI-technology is described:
?PROFIBUS Data Link Layer [1]
?PROFIBUS Application Layer [2]
?GSD Description [6]
Major changes in V1.1 compared to V1.0
?Clause 2 Normative references updated to the actual documents and revisions
?Clause 4 System architecture
?New Subclause 4.1; references to IEC 61784-1 and IEC 61158 Ed.3
?minor editorial corrections
?Table 5 ?State Machine of Red-Instance; revised according IEC 61158 Ed.3
?Subclause 5.5.1 Prm_Command; Bit 3 description amended; Bit 7 description revised according IEC 61158 Ed.3
?Annex B GSD requirements; revised according ISO 15745-3 (PNO GSD V5.0)
This draft is published for testing and review. Comments have to be submitted to PROFIBUS Nutzerorganisation e.V. (PNO) until March 19th, 2004.
