Siemens Simatic PCS 7 Function Manual page 231

Initial situation before phase 4
● Server_1 is master server in the PCS 7 project.
● The updated Server_2 is standby server in the updated PCS 7 project.
● Client_1 is connected to Server_1.
● Updated Client_2 is connected to its preferred server Server_2.
● The system can be controlled from all OS clients.
Requirement
The PCS 7 project you are updating has already been updated on the ES.
Procedure - Phase 4
Phase 4 / 1. Client_1: Deactivate and exit WinCC
● Deactivate WinCC Runtime and exit WinCC on OS Client_1.
Phase 4 / 2. Client_1: Backup of the PCS 7 project, of the operating system and of the PCS 7
software installation
● Back up your previous operating system, the previous PCS 7 software installation and your
current PCS 7 project as a fallback strategy.
Phase 4 / 3. Client_1: Installation or update of the operating system, PCS 7 Installation "OS
client"
● Install or update the operating system (you can find information about this in the manual
Process Control System PCS 7; PCS 7 PC Configuration ).
An OS client runs only on an operating system that has been released for PCS 7. You can
find additional information on this in the
documentation.
● Install the necessary PCS 7 components.
In the PCS 7 Setup, select the "OS Client" check box in the "Program Packages" dialog
box.
● Make the necessary settings.
Note that Windows administration of PCs should be performed by a Windows administrator.
You can find a detailed description of the PCS 7 installation and the required PCS 7-specific
settings for PC stations in the manual
Configuration .
Phase 4 / 4. Client_1: If you want to use encrypted communication after the software update:
Activate "Encrypted communication" with migration mode. You can find information about this
in the documentation
Phase 4 / 5. ES: Download to OS target system
● Right-click on the OS to be transferred in the open PCS 7 project below the WinCC
application.
● Select the menu command PLC > Download in the shortcut menu. This downloads the
project for OS Client_1 from the ES to the relevant OS.
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA
Failure, switchover and reintegration of high availability components
7.10 Guide to updating a redundant OS in runtime
Process Control System PCS 7; PCS 7 Readme
Process Control System PCS 7; PCS 7 PC
Process Control System PCS 7; PCS 7 PC Configuration .
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