Справочник Пользователя для Siemens C79000-G8976-C156-07
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Welcome to Advanced PC Configuration
15
Commissioning PC Stations - Manual and Quick Start
Release 5/2005
Release 5/2005
C79000-G8976-C156-07
1.2
PC Stations in SIMATIC
Use of PCs in Automation
A “PC station” is a PC with communication modules and software components
within an automation solution with SIMATIC.
within an automation solution with SIMATIC.
The hardware configuration of a PC station can be compared with the configuration
of an S7 controller In SIMATIC:
of an S7 controller In SIMATIC:
In the same way, components of
a PC station, for example
modules, are assigned to a
virtual slot per software.
a PC station, for example
modules, are assigned to a
virtual slot per software.
The virtual rack is implemented
on the PC station by software.
on the PC station by software.
In an SIMATIC S7-400,
modules are inserted in the
slots in the rack.
modules are inserted in the
slots in the rack.
PC Station
Virtual rack in the PC station
Virtual rack in the PC station
Slot
Software - The OPC Server as Central Component
A PC station contains SIMATIC NET communication modules and software
applications. One typical software application with which user programs can
communicate is the SIMATIC NET OPC server.
applications. One typical software application with which user programs can
communicate is the SIMATIC NET OPC server.