PROFIBUS DP and PROFINET Objectives and outline Lecture ...
PROFIBUS DP and PROFINET Objectives and outline Lecture ...
PROFIBUS DP and PROFINET Objectives and outline Lecture ...
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Supervisory level<br />
Process network<br />
Process level<br />
Field bus<br />
Field level<br />
Sensor<br />
network<br />
Operator 23<br />
4<br />
33<br />
2<br />
12<br />
2<br />
ProcessProgramovatelný network<br />
(Controller-Controller<br />
automat<br />
comm.)<br />
Direct I/Os<br />
IT net<br />
TCP IP<br />
Ethernet<br />
Control system hierarchy<br />
File<br />
Edit<br />
Fieldbus<br />
intelligent field devices<br />
<strong>PROFIBUS</strong>, <strong>PROFINET</strong>, CANopen, LON, …<br />
Senzor networks<br />
actuators, intelligent sensors.<br />
CAN, DeviceNet, SDS, ASI-bus, Interbus-S<br />
• Deterministic communication<br />
Network management<br />
Engineering tools<br />
Requirements<br />
– Limited response time (real‐time communication)<br />
– Cyclic data exchange (similar as PLC scan cycle)<br />
– Diagnostics <strong>and</strong> alarms processing<br />
– Network recovery (redundancy, station failure, …)<br />
– Adding <strong>and</strong> removing of stations –no reconfiguration<br />
needed<br />
• Ways to vertical integration<br />
– Connection to higher‐level <strong>and</strong> lower‐level networks <strong>and</strong><br />
systems<br />
17.10.2012<br />
2
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