IEC 61588:2009 

Precision clock synchronization protocol for networked measurement and control systems

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Abstract

IEC 61588:2009(E) defines a protocol enabling precise synchronization of clocks in measurement and control systems implemented with technologies such as network communication, local computing, and distributed objects. The protocol is applicable to systems communicating by local area networks supporting multicast messaging including, but not limited to, Ethernet. The protocol enables heterogeneous systems that include clocks of various inherent precision, resolution, and stability to synchronize to a grandmaster clock. The protocol supports system-wide synchronization accuracy in the sub-microsecond range with minimal network and local clock computing resources. The default behavior of the protocol allows simple systems to be installed and operated without requiring the administrative attention of users. The standard includes mappings to User Datagram Protocol (UDP)/Internet Protocol (IP), DeviceNet, and a layer-2 Ethernet implementation. It includes formal mechanisms for message extensions, higher sampling rates, correction for asymmetry, a clock type to reduce error accumulation in large topologies, and specifications on how to incorporate the resulting additional data into the synchronization protocol. This second edition cancels and replaces the first edition published in 2004. It constitutes a technical revision.

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Additional information

Publication typeInternational Standard
Publication date2009-02-27
Edition2.0
Available language(s)English
TC/SCTC 65/SC 65C - Industrial networksrss
ICS25.040.40 - Industrial process measurement and control
35.110 - Networking
35.240.50 - IT applications in industry
Stability date  2018
Pages287
File size3806 KB

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