Profibus Dp Interface - Siemens SIMATIC ET 200AL System Manual

Description
2.1 Introduction to PROFIBUS
2.1.3

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
Standard
Physical bus/media
Transmission rate
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
16
Properties of the PROFIBUS DP interface
PROFIBUS DP interfaces
PROFIBUS: IEC 61158/61784
PROFIBUS cables (twisted two-wire lines RS 485 or
fiber-optic cables)
9.6 kbps to 12 Mbps
Function Manual, 12/2014, A5E03775446-AC
PROFIBUS with STEP 7 V13