Openpcs 7 Security Concept - Siemens SIMATIC PCS 7 Function Manual

In the following picture OpenPCS 7 is shown with the central 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
OpenPCS 7
Function Manual, 05/2012, A5E02780178-02
OPC client
OpenPCS 7 Station
PCS 7 OS server
Plant bus
S7-400
Fieldbus
ET 200
5.7 OpenPCS 7 security concept
Terminal bus
Archive server
System configurations
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