Total failure of a redundancy node
The following figure shows a complete system that has ceased to operate due to a failure of
the "Field bus" redundancy node.
(QFRGHU
(QFRGHU
26FOLHQW26VHUYHU
26FOLHQW
26VHUYHU
%XV
%XV
%XV
%XV
%XV
%XV
&3
&3
&3
&3
&3
&3&38
&38
,0
,0
,0
,0
60
60
Basics of high availability
3.10 Redundancy nodes
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA 33