Preface
1
Purpose of this manual
PCS 7 is an open system that allows access to process values, archived process values and
hardware interrupts by third-party applications. PCS 7 uses the industry standard of the OPC
Foundation, OPC Data Access, OPC Alarm and Events and OPC Historical Data Access for
this purpose. PCS 7 also supports access by third-party applications using the database
mechanism, WinCC OLE DB.
This documentation describes OPC access to one or more PCS 7 OS servers using the
OpenPCS 7 station.
This documentation will familiarize you with the steps required to configure the OpenPCS 7
station in PCS 7 and demonstrate the configuration options.
To familiarize yourself in detail with the topics relating to the OPC interfaces, you will also
require the OPC-documentation from the OPC Foundation. You can download the
documentation from the Internet at www.opcfoundation.org (
Required basic knowledge
You require general knowledge of automation engineering to understand this manual. Because
OpenPCS 7 is based on the PCS 7 process control system, you should also be familiar with
the operation of PCS 7.
Basic knowledge of the general use of the PC/programming device and of the use of the
Windows operating system is required. If you want to develop an OPC client application, you
will also need to be able to work with Microsoft Visual Basic or Microsoft Visual C++.
Target Audience of this Documentation
This documentation is intended for PCS 7 users and SIMATIC S7 specialists.
Options for accessing PCS 7 documentation
Note
PCS 7 Readme
The information given in the
PCS 7 Readme on the Internet takes precedence over all the
PCS 7 manuals. Please read this
PCS 7 Readme carefully; it contains important information
and amendments on PCS 7.
● The
PCS 7 Readme on the Process Control System; SIMATIC PCS 7 DVD contains
important information regarding PCS 7 and takes precedence over the PCS 7
documentation supplied.
● After installation of PCS 7, you can find documents such as Process Control System
PCS
7; PCS 7 Readme and What's New in PCS 7? via the submenu SIMATIC > Product
Information > <Language>.
OpenPCS 7
Function Manual, 05/2012, A5E02780178-02
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