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BS EN 62439-7:2012
Industrial communication networks. High availability automation networks Ring-based Redundancy Protocol (RRP)
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| Standard number: | BS EN 62439-7:2012 |
| Pages: | 86 |
| Released: | 2015-07-31 |
| ISBN: | 978 0 580 90610 7 |
| Status: | Standard |
DESCRIPTION
BS EN 62439-7:2012
This standard BS EN 62439-7:2012 Industrial communication networks. High availability automation networks is classified in these ICS categories:
- 35.100.05 Multilayer applications
- 25.040.40 Industrial process measurement and control
- 35.110 Networking
- 25.040.01 Industrial automation systems in general
- 35.040.01 Information coding in general
The IEC 62439 series of standards is applicable to high-availability automation networks based on the ISO/IEC 8802-3:2000 (Ethernet) technology.
This part of the IEC 62439 series specifies a redundancy protocol that is based on a ring topology, in which the redundancy protocol is executed at the end nodes, as opposed to being built into the switches. Each node detects link failure and link establishment using mediasensing technologies, and shares the link information with the other nodes, to guarantee fast connectivity recovery times. The nodes have equal RRP network management functions.