Lenze PC-based automation - Manual (Page 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 .