Process Control System
Process Control System
Process Control System
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Networking with Profibus<br />
B8 – 1<br />
B.8 – Networking with Profibus<br />
The networking of the complete <strong>Process</strong> <strong>Control</strong> <strong>System</strong> is realised via<br />
the Profibus fieldbus.<br />
Host computer /<br />
<strong>Process</strong> visualisation<br />
Fig. 8.1:<br />
Networking of complete<br />
system with Profibus<br />
Profibus<br />
Node 1 Node 2 Node 3 Node 4<br />
Temperature Flow Filling level<br />
PLC <strong>Control</strong>ler <strong>Control</strong>ler <strong>Control</strong>ler<br />
Addr. 4 Addr. 2 Addr. 3 Addr. 5<br />
<strong>Process</strong>es<br />
The required input and output signals of the individual processes of the<br />
complete system are controlled with the help of process visualisation<br />
software.<br />
• Pin assignment<br />
1 Screen<br />
3 Data +<br />
5 Reference data GND<br />
8 Data –<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
9<br />
6<br />
7<br />
8<br />
9<br />
1<br />
2<br />
3<br />
4<br />
5<br />
The screen must never be connected to the reference data line<br />
Pin 5.<br />
Festo Didactic • <strong>Process</strong> <strong>Control</strong> <strong>System</strong>
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