Wincc Runtime - Siemens SIMATIC HMI Series System Manual

WinCC Release Notes
2.3 Notes on WinCC
The corresponding updates for VBA are made available by Microsoft on the download pages.
Siemens does not supply any updates from Microsoft.
Install the updates for VBA after installing WinCC.
Notes on the channels
Name of a channel with national characters
When you enter a name with national characters in the "SIMATIC S7 Protocol Suite" channel
and especially in the "Named Connections" channel unit, you must have set the corresponding
code page in the language options of the operating system.
2.3.3

WinCC Runtime

Information on multi-user systems
Copying large amounts of data via the terminal bus
Copying large amounts of data on a computer connected to a terminal bus can effect
communication in a multi-user system. One of the possible causes is the use of hubs with a
low data throughput.
Information on Tag Logging / Alarm Logging
Editing archive data already saved
Archived measured values/messages of previously saved archives cannot and should not be
changed due to reasons of data security and consistency.
Information on OPC
SIMATIC WinCC OPC Server: Automatic assignment of DCOM rights
The DCOM rights required for operation of the OPC server are assigned automatically. The
settings are performed during the installation. Depending on the WinCC operating mode,
further configurations are performed.
You must not edit these settings manually.
No deinstallation of SIMATIC WinCC OPC Server when the OPC channel is used
When you use the OPC channel, you must not remove the SIMATIC WinCC OPC DA Server.
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WinCC: General information and installation
System Manual, 02/2017, A5E40840020-AA