Description
2.1 Introduction to PROFIBUS
PROFIBUS with STEP 7 V13
16 Function Manual, 12/2014, A5E03775446-AC
PROFIBUS DP interface
Properties
A PROFIBUS device has at least one PROFIBUS interface with an electrical (RS 485)
interface or optical (Polymer Optical Fiber, POF) interface.
Table 2- 2 Properties of the PROFIBUS DP interface
Standard PROFIBUS: IEC 61158/61784
Physical bus/media PROFIBUS cables (twisted two-wire lines RS 485 or
fiber-optic cables)
Transmission rate 9.6 kbps to 12 Mbps
Representation of the PROFIBUS DP interface in STEP 7
In the device view of STEP 7, the PROFIBUS DP interfaces for a DP master and a DP slave
are highlighted by a purple rectangle:
Figure 2-4 PROFIBUS DP interfaces
To Next Page
Loading...
