Product Overview
1-5
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
1.2.3 DP/PA link
To higher level systems, the DP/PA link is a DP slave (to the automation device)
and to underlying systems it is a PA master. The figure below shows how the
DP/PA link is integrated in the system.
DP master
Higher level layer
PROFIBUS-DP
DP
slave
Underlying layer
field devices
Operator station or
engineering station
with parameterization tool
Industrial Ethernet
Local parameterization tool
IM 157 DP/PA coupler
12 34 5
PROFIBUS-PA
PROFIBUS-PA field devices
DP/PA link
Figure 1-2 Integration of the DP/PA link in the system landscape
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