BS EN 62439-6 is the sixth part of the IEC 62439 series that specifies relevant principles for high availability networks that meet the requirements for industrial automation networks.
The IEC 62439 series applies to high-availability automation networks based on the ISO/IEC 8802-3 (Ethernet) technology.
BS EN 62439-6 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network. Each switch has an equal management role in the network. Double rings are supported.
BS EN 62439-6 on distributed redundancy protocol for high availability automation networks is useful for:
The market needs several network solutions with different performance characteristics and functional capabilities, matching diverse application requirements.
The distributed redundancy protocol (DRP) provided in BS EN 62439-6 defines a high availability network solution based on ISO/IEC 8802-3 and the functions of ISO/IEC/TR 8802-1 for communication link redundancy.
DRP provides a framework for describing the operational behaviour of the switches in a ring topology to detect a single network failure (such as an inter-switch link failure or a ring switch failure) and recover from it within a deterministic recovery time.
Overall, by using the guidelines of BS EN 62439-6 you can detect and recover from failures in the ring topology network in accordance with the DRP protocol.
BS EN 62439-6:2010 supersedes EN 62439:2008. BS EN 62439-6:2010 includes the following significant technical changes concerning EN 62439:2008:
EN 62439-6:2010
IEC 62439-6:2010