A-1
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Fundamentals of PROFIBUS-PA
PROFIBUS-PA
PROFIBUS-PA is the PROFIBUS for Process Automation (PA) and is based on
IEC 61784-1:2002 Ed1 CP 3/2 with regard to transmission technology and protocol
and on the PA profile.
PROFIBUS-PA = PROFIBUS-DP communication protocol
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Synchronous transmission technology
Any field device that is suitable for the PROFIBUS-PA can be connected to the
DP/PA link bus connection.
Measuring transducers, valves, actuators, etc.
Networked by a serial bus system
For use in chemical and process engineering
With field device supply via the data line
Also for explosion-proof applications (EEx [ia] ignition protection)
Chapter overview
Section Topic Page
A.1 Intrinsic safety A-2
A.2 Field device supply via PROFIBUS-PA A-3
A.3 Extending PROFIBUS-PA with the DP/PA link coupler A-4
A.4 Partyline and Star-type topology A-5
A
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