1、 IEC 62439Edition 1.0 2008-05INTERNATIONAL STANDARD High availability automation networks IEC 62439:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC,Geneva,Switzerland Al
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9、CATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 62439Edition 1.0 2008-05INTERNATIONAL STANDARD High availability automation networks INTERNATIONAL ELECTROTECHNICAL COMMISSION XJICS 25.040;35.040 PRICE CODEISBN 2-8318-9765-3 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION
10、ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62439 IEC:2008(E)CONTENTS FOREWORD.8 INTRODUCTION.10 1 Scope.11 2 Normative references.11 3 Terms,definitions,abbreviated terms,acronyms,and conventions.12 3.1 Terms and definitions.12 3.2 Abbreviated terms and acronyms.19 3.3 Conventions.21 3.3.1 General conven
11、tions.21 3.3.2 Conventions for state machine definitions.21 3.3.3 Conventions for PDU specification.21 3.4 Reserved network addresses.21 4 Concepts for high availability automation networks.22 4.1 Characteristics of application of automation networks.22 4.1.1 Resilience in case of failure.22 4.1.2 C
12、lasses of network redundancy.23 4.1.3 Redundancy maintenance.23 4.1.4 Comparison and indicators.23 4.2 Generic network system.25 4.2.1 Network elements.25 4.2.2 Topologies.26 4.2.3 Redundancy handling.32 4.2.4 Network recovery time.32 4.2.5 Diagnosis coverage.32 4.2.6 Failures.32 4.3 Safety.34 4.4 S
13、ecurity.34 4.5 Conformance.34 4.5.1 Conformance to redundancy protocols.34 4.5.2 Conformance tests.34 5 MRP Media Redundancy Protocol based on a ring topology.37 5.1 MRP Overview.37 5.2 MRP Media redundancy behaviour.38 5.2.1 Ring ports.38 5.2.2 Media Redundancy Manager(MRM).39 5.2.3 Media Redundanc
14、y Client(MRC).40 5.2.4 Redundancy domain.40 5.2.5 Usage with diagnosis and alarms.40 5.2.6 Ring diagnosis.41 5.2.7 Multiple MRM in a single ring.41 5.2.8 BLOCKED not supported(option).41 5.3 MRP Class specification.42 5.3.1 General.42 5.3.2 Template.42 5.3.3 Attributes.42 5.4 MRP Service specificati
15、on.45 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62439 IEC:2008(E)3 5.4.1 Start MRM.45 5.4.2 Stop MRM.46 5.4.3 State Change.47 5.4.4 Start MRC.48 5.4.5 Stop MRC.49 5.4.6 Read MRM.50 5.4.7 Read MRC.52 5.5 MRP Protocol specification
16、.53 5.5.1 PDU description.53 5.5.2 Protocol machines.59 5.6 MRP Installation,configuration and repair.79 5.6.1 Ring port parameters.79 5.6.2 Ring topology parameters.80 5.6.3 MRM and MRC parameters.80 5.6.4 Configuration.81 6 PRP Parallel Redundancy Protocol.81 6.1 PRP Principle of operation.81 6.1.1 Single points of failure.83 6.1.2 Node structure.83 6.1.3 Compatibility between singly and doubly attached nodes.84 6.1.4 Network management.84 6.1.5 Transition to non-redundant networks.84 6.1.6 Du
