OSx Station Basics
1-6
SIMATIC PCS 7 OSx 4.1.2 Operator
1.2
PCS 7 OSx Stations
The architecture for a single OSx station is shown in
. The plant
engineer can connect additional OSx stations to the network to create a
multiple-station system. The functions of the OSx station in a single-station
system are defined below. The other types of PCS 7 nodes (control nodes and
engineering stations) are described later in this section.
The OSx station, which operates as a supervisory station in a single-station
system, communicates with all other nodes on the network to provide these
services:
•
Controls and monitors the application process by the exchange of data
with the control nodes.
•
Receives tag configuration data from SIMATIC APT or the S7
Engineering Toolset on an engineering station.
•
Transmits files to an MIS computer (RDT or @aGlance options) to
maintain a historical record of the process.
The OSx station in a single-station system can have either of these roles:
primary or out_of_service. See
for more information about the
out_of_service role. In the primary role, the OSx station has these
responsibilities:
•
Maintains the database.
•
Controls system state.
•
Maintains historical trend data.
•
Executes reports and BCL (batch control language) tasks and
coordinates data transfers to any MIS (Management Information
System) units that may be connected to the network.
•
Stores report outputs, system logs, and batch logs.
•
Archives trend data and report outputs.
OSx Station
(Single-Station
System)
Содержание SIMATIC PCS 7 OSx
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