Siemens SIMATIC PCS 7 - Page 103

Redundancy connection
You need the following components to make the redundancy connection, depending on the
distance to be bridged:
Maximum distance Required components Connection
10 m Null modem cable Serial connection
100 m
● Crossover network cable
● Per server: A free network connection
(see section "Network components (Page 56)")
Ethernet connection
1000 m Fiber-optic cable
Per server:
● A free network connection
(see section "Network components (Page 56)")
● 1 Ethernet cable
● 1 media converter (e.g., SCALANCE X101-1)
Ethernet connection
Availability
The availability of the complete system is also ensured even if one of the two Route Control
servers fails because the two Route Control servers form an independent redundancy node.
5&VHUYHU
5&VHUYHU
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Note
The buses marked with * (terminal bus and plant bus) can be configured redundantly with
optical or electronic switch modules.
Additional information
● PC station identified as faulty; see section "Solutions for OS servers (Page 94)"
● Section "How to configure a Route Control server and its redundant Route Control partner
server (Page 178)"
● Manual
Process Control System PCS 7; SIMATIC Route Control
High availability solutions in PCS 7
4.8 Solutions for the Route Control server
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA 103