Siemens Simatic ET 200S Operating Instructions Manual page 16

Description
1.1 What are distributed I/O systems?
Which devices can be connected to PROFIBUS DP?
An extremely wide range of devices can be connected on the PROFIBUS DP as a DP
master or as DP slaves, provided their behavior complies with the
Ed1 CP 3/1
• SIMATIC S7/C7
• SIMATIC PD/PC
• SIMATIC HMI (operator panel (OP), operator station (OS), and text display (TD) operator
• Devices from other manufacturers
Structure of a PROFIBUS DP network
The figure below illustrates a typical PROFIBUS DP network structure. The DP masters are
integrated in the relevant device. For example, the S7-400 has a PROFIBUS DP interface.
The DP slaves are the distributed I/O systems, which are connected to the DP masters by
means of PROFIBUS DP.
Figure 1-1
1-2
standard. Devices of the following product families that can be used include:
control and monitoring devices)
The typical structure of a PROFIBUS DP network
IEC 61784-1:2002
Operating Instructions, 12/2005, A5E00515771-03
ET 200S