Siemens 6DR55 Series Manual page 142

Functions/operation via PROFIBUS PA
PC or PG
(Master class 2)
MPI cable
(is required for commission--
ing and monitoring)
Figure 64 Example of a small PROFIBUS DP/PA system
Figure 65 STEP 7 example program
140
Power supply
PROFIBUS DP
DP/PA Coupler
DP/PA Link
CPU
SIMATIC S7
(Master class 1)
Here is a small STEP 7 program that established cyclic data
transmission with the positioner with PROFIBUS PA.
Bus termination
PROFIBUS PA
Splitters
PA devices
SIPART PS2 PA Manual
A5E00127926--05