Lenze PROFIBU PC-based Automation - Manual (Page 15)

DMS 2.2 EN 07/2011 TD17
L
15
Control technology | PROFIBUS communication manual
The Lenze control system with PROFIBUS
Brief description of PROFIBUS
4.1.1 Structure of the PROFIBUS system
Basic structure
Physical structure
 The industrial PC (IPC) is the PROFIBUS master. It can communicate with one or several
stations (slaves).
 PROFIBUS has an internal line topology (without repeater) or a tree topology (with
repeater).
 Basic wiring of PROFIBUS
( 17)
 The PROFIBUS network must be terminated at the first and last station. The bus
terminating resistor is integrated in the bus connector and is activated by a switch.