Pilz PSSnet SHL 8T MRP - Manual (Page 11)

Ring Redundancy
PSSnet SHL - Redundancy Configuration
Pilz GmbH & Co. KG, Felix- Wankel Str. 2, 73760 Ostfildern
11
2 Ring Redundancy
The concept of ring redundancy allows the construction of high-availability,
ring-shaped network structures.
With the help of the RM (Ring Manager) function, the two ends of a backbone
in a line structure can be closed to a redundant ring. The ring manager keeps
the redundant line open as long as the line structure is intact. If a segment
fails, the ring manager immediately closes the redundant line, and line
structure is intact again.
Figure 1: Line structure
Figure 2: Redundant ring structure
RM = Ring Manager
—— main line
- - - redundant line
RM