PAS 62413:2005 pdf download

01-01-2023 comment

IEC PAS 62413:2005 pdf download Real-time Ethernet – EtherNet/IP TM with time synchronization
Scope
This PAS defines additional mechanisms to provide accurate time synchronization betweennodes using the ISO/IEC 8802-3 based real time communication technology EtherNet/IP.
It contains specifications for Application layer service definition and application layer protocolspecification.
2Normative references
The following referenced documents are indispensable for the application of this documentFor dated references, only the edition cited applies. For undated references, the latest editionof the referenced document (including any amendments) applies.
IEC 61158 (all parts), Digital data communications for measurement and control – Fieldbusfor use in industrial control systems
IEC 61158-5:2003, Digital data communications for measurement and control – Fieldbus foruse in industrial control systems – Pat 5: Application layer service definition
IEC 61158-6:2003,Digital data communications for measurement and control – Fieldbus foruse in industrial control systems – Part 6: Application layer protocol specification
EC 61588:2004,Precision clock synchronization protocol for networked measurement andcontro/ systems
IEC 61784-1:2003,Digital data communications for measurement and control – Part 1.Profile sets for continuous and discrete manufacturing relative to fieldbus use in industrialconfrol systems
ISO/IEC 8802-3:2000,lnformation technology – Telecommunications and informationexchange between systems – Local and metropolitan area networks = Specific requirements Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method andphysical layer specifications
3 Terms, definitions, symbols, abbreviated terms and conventions
3.1Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 61158 (general andType 2 specific ones) and the following apply.
3,1.1
current data set
data set which defines members whose values characterize the current properties of the locaclock that describe the source and quality of the local time[IEC 61588]
3.1.2
default data set
data set which defines inherent or assumed properties of the local clock[IEC 61588]
3.1.3
epoch
reference time defining the origin of a time scaleIIEC 615881
3.2Symbols and abbreviated terms
For the purposes of this document, the symbols and abbreviated terms given in IEC 61158and IEC 61784-1 (general and Type 2 specific ones) and the following apply.
PTPPrecision Time Protocol
[IEC 61588]
3.3Terms and definitions of conventions
For the purposes of this document, the conventions given in lEC 61158 apply (general andType 2 specific ones).
4 Application layer service definition – Data type ASE
4.1General
This PAS uses the following data types as defined in IEC 61158-5BOOL,BYTE,USINT,UINT,UDINT,SINT,INT,DINT,LINT,and the additional STIME data type specified in 4.2.1.1.1 and 6.1.2.1, according to the formatdefined in IEC61158-5.
4.2FAL defined data types
4.2.1Fixed length types
4.2.1.1Date types
4.2.1.1.1STIME
This data type expresses the Synchronized Time in nanoseconds.
The range of values for variables of type STIME is the same as for variables of type LINT,representing the absolute time in nanoseconds since the epoch. The epoch is not defined by STIME.

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