Lenze PC-based automation Manual do Utilizador descarregar pdf (Página 37)

DMS 1.3 EN - 02/2011 L 37

Control technology| System manual

System description

Network topologies

4.2.3 PROFIBUS master

Today, PROFIBUS is the most commonly used fieldbus system. Because it comes with the

widest range of various field devices, the PROFIBUS is occasionally prioritised over more

modern bus systems. Due to the low bandwidth and synchronisation mechanisms, the

PROFIBUS is only provided as logic bus within the "PC-based Automation".

We recommend to use the PROFIBUS for the following applications:

 Control of system parts that have already been automated with PROFIBUS and another

control system.

 Use of field devices that are not available for e.g. EtherCAT or CANopen.

 Combination of PROFIBUS as logic bus with a second bus system as motion bus.

 Further information and performance features about EtherCAT can be found in the

following documentation:

• PROFIBUS communication manual

General information about the PROFIBUS can be found on the Internet website

of the PROFIBUSNutzerorganisation e.V.: http://www.profibus.com

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Lenze PC-based automation Manual do Utilizador Página 37