Redundancy
RM Web L3E
Release
6.0
07/2010
7.2
Ring Redundancy
161
7.2 Ring Redundancy
The concept of the Ring Redundancy enables the construction of high-
availability, ring-shaped network structures.
If a section is down, the ring structure of a
X HIPER-(HIGH PERFORMANCE REDUNDANCY) Ring with up to 50
devices typically transforms back to a line structure within 80 ms (possible
settings: standard/accelerated).
X MRP (Media Redundancy Protocol) Ring (IEC 62439) of up to 50 devices
typically transforms back to a line structure within 80 ms (adjustable to
max. 200 ms/500 ms).
With the help of the Ring Manager (RM) function of a device, you can connect
both ends of a backbone in a line structure to form a redundant ring.
X Within a HIPER-Ring, you can use any combination of the following
devices:
– RS2-./.
– RS2-16M
– RS2-4R
– RS20, RS30, RS40
– RSR20, RSR30
– OCTOPUS
–MICE
– MS20, MS30
– PowerMICE
–MACH 100
– MACH 1000
– MACH 3000
– MACH 4000
X Within an MRP-Ring, you can use devices that support the MRP protocol
based on IEC62439.
Depending on the device model, the Ring Redundancy dialog allows you to:
X Select one of the available Ring Redundancy versions, or change it.
X Display an overview of the current Ring Redundancy configuration.
X Create new Ring Redundancies.
X Configure existing Ring Redundancies.
X Enable/disable the Ring Manager function.
X Receive Ring information.
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