SICAM RTUs, SICAM AK Redundancy
Unrestricted
9
DC2-026-2.07, Edition 10.2016
Table of Contents
1
Redundancy via SCA-RS .................................................................................................13
1.1
Overview .............................................................................................................14
1.1.1
Redundancy ..................................................................................................14
1.1.2
Synchronization .............................................................................................15
1.1.2.1
CAEx
plus
Program ..................................................................................17
1.1.2.2
Singular Ax PE .........................................................................................17
1.1.3
Voting ............................................................................................................19
1.1.3.1
Automatic Voting ......................................................................................19
1.1.3.2
Application-Related Voting .......................................................................19
1.1.4
Redundancy Switchover ................................................................................19
1.1.5
Overview of Redundancy Modes ..................................................................20
1.1.6
Overview of Synchronization Modes .............................................................21
1.2
CPU-Redundancy (Redundant Basic System Elements) ..................................23
1.2.1
Default Configurations ...................................................................................24
1.2.1.1
SICAM AK - SICAM AK PE, electrically connected .................................24
1.2.1.2
SICAM AK - SICAM TM PE, Electrically Connected ................................26
1.2.1.3
SICAM AK - SICAM TM PE, Electrically and Optically Connected ..........28
1.2.1.4
SICAM AK - SICAM TM PE, Optical, Red. BSE + Red. Ax-PE-Bus ........30
1.2.2
Data Transfer Between Redundant BSE Pairs ............................................31
1.2.3
Parameter Setting..........................................................................................32
1.2.3.1
Parameter Setting of the CP-2014/CPCX25 ............................................32
1.2.3.2
Automatic Voting ......................................................................................34
1.2.3.3
Settings for PREs (CPU Redundancy) .....................................................35
1.2.3.4
Settings for BSEs (CPU Redundancy) .....................................................38
1.3
Redundant Automation Units..............................................................................41
1.3.1
Default Configurations ...................................................................................42
1.3.1.1
Redundant AUs, Voting by SCA-RS, Distance up to 15 m .....................42
1.3.1.2
Redundant AUs, Voting by SCA-RS, Distance up to 200 m ....................45
1.3.1.3
Redundant AUs, Voting by SCA-RS, Distance higher than 200 m ..........47
1.3.1.4
Redundant Automation Units in Star-Shaped Configurations ..................45
1.3.1.5
Redundant Automation Units in Ring-Shaped Configurations .................51
1.3.2
Parameter Setting..........................................................................................52
1.3.2.1
Parameter Setting of the CP-2014/CPCX25 ............................................52
1.3.2.2
Settings for PREs (AU Redundancy) .......................................................53
1.3.2.3
Settings for BSEs (AU Redundancy) .......................................................55
1.4
Parameter Setting of the CP-2017/PCCX25 ......................................................58
1.4.1
Mirror Parameters ..........................................................................................61
1.5
Redundancy of Power Supply ............................................................................63
1.5.1
General ..........................................................................................................63
1.5.2
Possible Configurations .................................................................................64