Siemens PCS 7, Руководство по установке

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5.7.17 How to activate redundancy for fault-tolerant PCs
Principle
The following basic steps are required to configure redundant stations.
1. Redundancy cable for PC stations:
You need to establish a connection through a redundant cable for redundant PC stations.
The redundant stations are the PC stations of a pair (server and single station systems).
2. Select the redundancy interface:
For the redundancy connection between two PC stations, you need to configure the
connection path directly on the redundant PC stations.
3. With a server-client architecture, you will need to assign the clients to the servers.
Redundant cable for PC stations
The following redundancy connection options exist:
● With BATCH servers:
Network cable (cross-over cable) to an additional Ethernet network adapter.
If using a PC as a BATCH server, this is the only type of redundancy connection permitted!
● With OS servers and Route Control servers:
Null-modem cable to COM interface or network cable (cross-over cable) to an additional
Ethernet network adapter.
Selecting the redundancy interface
If you want to establish a redundancy connection between two PC stations, OS servers for
example, you need to select the connection path to the redundant partners.
A redundancy connection can be established via the "serial port" or a "network adapter".
● BATCH server (redundancy connection only possible through an additional network
adapter!)
● OS server
● Route Control server
● Maintenance server
● Single station systems
You can make the following settings directly on each of the mutually redundant servers and
single station systems.
1. Select the PC station (My Computer) in the tree view of Windows Explorer.
2. Select the "Simatic Shell" folder.
(Windows 10: "This PC" folder, "Devices and Drives" area)
3. In the shortcut menu, select the menu command Redundancy Settings ....
The "Redundancy Settings" dialog box opens.
Installing PC stations
5.7 Preparing PC stations
PCS 7 - PC Configuration (V8.2)
Installation Manual, 03/2016, A5E36200050-AB
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