Dp/Pa Coupler; Integration Of The Dp/Pa Coupler In The System Landscape - Siemens Simatic 6ES7 157-0AD81-0 A0 Series Manual

Product Overview
1.2.2

DP/PA coupler

The DP/PA coupler is a gateway between PROFIBUS-DP and PROFIBUS-PA to
which the PA field devices are connected. The figure below shows how the DP/PA
coupler is integrated in the system.
Higher level layer
Industrial Ethernet
DP master
PROFIBUS-DP
DP
slave
Lowest layer
field devices
Figure 1-1

Integration of the DP/PA coupler in the system landscape

1-4
DP/PA coupler Ex [i]
PROFIBUS-PA
Explosion-proof
area
Operator station or
engineering station
with parameterization tool
Local parameterization tool
DP/PA coupler
DP/PA Link and Y Link Bus Couplings
A5E00193841-01 1