Technical data

3.2 Architecture <-> OSI Environment
The architecture of the CP 5430 TF is illustrated in Fig. 3.2, that of the CP
5431 FMS in Fig. 3.3, (refer also to Fig. 2.1). The components are briefly
explained after the figures.
7 Application
Layer
6 Presentation
5 Session
4 Transport
3 Network
2 Data Link
1 Physical
ISO/OSI
USER PROGRAMS
L2 transport
PG
functions
COM
I/O
empty
CP
SINEC technological functions (TF) described in Volume 2
empty
empty
L2 transport
Vol. 2 (CP 5430 TF)
in
S5S5 FMA
GP ZP
FL2
Technology Fiber Optic FO Technology RS 485
TF
PROFIBUS standard DIN 19245 T.1 FDL/MAC/FMA
DP
Fig. 3.2 Protocol Architecture of the CP 5430 TF
B8976060/02 Fundamentals of the Model
3 - 3 Volume 1