3.8.3 Access to PCS 7 data using OpenPCS 7
Accessing PCS 7 data with OPC and OLE/DB
Data from a PCS 7 plant can be made available to third-party systems using OLE DB or OPC
via a PC station with OpenPCS 7, a so-called Open PCS 7 station.
You can use OpenPCS 7 at the following levels:
● Automation level
● Plant control and production control levels
● MES level (Manufacturing Execution Systems)
● ERP level (Enterprise Resource Planning)
Interface formats
The client applications access data on the OpenPCS 7 station via interfaces.
OpenPCS 7 uses the following interface formats for data communication:
● OPC UA (Unified Architecture)
● OPC DA (Data Access)
● OPC A&E (Alarm and Event and Historical Alarm and Event)
● OPC HDA (Historical Data Access)
● OLE/DB (integration of data in applications that support OLE (for example, MS Office))
Additional information
Process Control System PCS 7; OpenPCS 7
manual
3.9 Connecting PC stations
3.9.1 Tasks of terminal bus and plant bus
Overview
With PCS 7, the AS, OS, BATCH, Route Control and ES communicate via a bus system, based
on an industrial Ethernet.
The bus system in PCS 7 consists of:
● Terminal bus
● System bus
PC components of a PCS 7 system
3.9 Connecting PC stations
PCS 7 - PC Configuration (V8.2)
Installation Manual, 03/2016, A5E36200050-AB 39
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