
Overview of PROFIBUS DP
DP Base Programming Interface for CP 5613/CP 5614
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C79000-G8976-C108-01
Data Areas
There are three different data areas on the DP master for each configured DP
slave, as follows:
x
Input data from the DP slave
x
Output data to the DP slave
x
Diagnostic data from the DP slave
The data are buffered by the CP 5613 or CP 5614 in memory that can be accessed
by the AP application directly without requiring function calls.
Slave data
DP master
Slave n
Slave 2Slave 1
DP application
PROFIBUS
Output data
Dia
. data
Input data
Figure 3 Data Areas of the DP Master
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