In the following picture OpenPCS 7 is shown with the central archive server:
OpenPCS 7 Station
S7-400
ET 200
Terminal bus
Plant bus
Fieldbus
OPC client
PCS 7 OS server
Archive server
5.7
OpenPCS 7 security concept
Plant configuration with firewall
The following figure shows the schematic structure of a PCS 7plant with an OpenPCS 7 station
and firewall. The PCS 7security cell is separated from the demilitarized zone (DMZ) by a
Microsoft ISA server firewall. The OpenPCS 7 station is placed in the DMZ. The DMZ is also
System configurations
5.7 OpenPCS 7 security concept
OpenPCS 7
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