Description
2.1 Introduction to PROFIBUS
PROFIBUS with STEP 7 V13
Function Manual, 12/2014, A5E03775446-AC
13
The figure below shows the most important components with PROFIBUS DP. The table
below lists the designations of the individual components.
DP master Device used to address the connected DP slaves. The DP master
exchanges input and output signals with field devices.
The DP master is often the controller on which the automation
PG/PC PG/PC/HMI device for commissioning and diagnostics
Device for operating and monitoring functions
DP slave Distributed field device assigned to the DP master, e.g., valve
terminals, frequency converters.
Figure 2-2 Devices with PROFIBUS
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