Redundant Automation Units In Ring-Shaped Configurations - Siemens SICAM AK Manual

1.3.1.5

Redundant Automation Units in Ring-Shaped Configurations

Master
SICAM AK

Cable
Patchcable, length max. 3 m
Fieldbusinterfaces in the ring
CM-0821

Cable
FO, length:
1,3 km using 62,5/125 µm fibre
to the Slaves
•
For coupling redundant masters in the ring the
fieldbus interface CM-0821 as of version
GA0-821-B has to be used.
•
Redundancy by means of a patch field is not
recommended for availability reasons.
SICAM RTUs, SICAM AK Redundancy
DC2-026-2.07, Edition 10.2016
SICAM
ER RY ER RY RY ER RY ER RY ER RY ER RY ER RY ER RY ER ER RY RY ER ER RY RY ER RY ER RY ER RY ER ER RY
PS-5620
ESD
FACILITY EARTH
Settings on the
configuration switch S2 A
CM-0821 Master-Module 1
Ring
2
see section "MPT IEC 60870-5-101 or 103, optical, ring"
or "MPT IEC 60870-5-101 or 103, optical, ring+star"
or "SIEMENS-Fieldbus IEC 60870-5-101, optical, ring"
•
Unrestricted
Redundancy via SCA-RS
IEC 60870-5-104
RY RY RY RY RY RY RY RY RY RY RY RY RY RY
ER ER ER ER ER ER ER ER ER ER ER ER ER ER
ESD
EARTH
FACILITY
Settings on the
configuration switch S1
1
CM-0821 Master-Module
2
CM-0821 master-module
− Configuration switch S1
1 ..... Rate 0 ........... OFF ... )
2 ..... Rate 1 ........... ON ..... )
....... e.g. baud rate 19 200
3 ..... Rate 2 ........... OFF ... )
4 ..... Rate 3 ........... ON ..... )
5 ..... Star/ring ........ ON ..... ring
6 ..... Level-CH3 ..... OFF ... line-idle state
....... light off
7 ..... Level-CH2 ..... ON ..... line-idle state
....... light on
8 ..... Level-CH1 ..... ON ..... line-idle state
....... light on
− Configuration switch S2 A
L .......... ON ...... )
master topologically left
master topologically left
R ......... OFF .... )
10/11 ... ON ...... 11 Bit word length
− Configuration switch S2 B
L .......... OFF .... )
master topologically right
master topologically right
R ......... ON ...... )
10/11 ... ON ...... 11 Bit word length
SICAM
RY RY RY
ER ER ER
PS-5620
Settings on the
configuration switch S2 B
CM-0821 Master-Module
Ring
2
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