Technical data

SIMATIC S5 provides the following connections for these three protocol
standards:
The SINEC L2-TF connection with the CP 5430 TF
The SINEC L2-FMS connection with the CP 5431 FMS
The SINEC L2-DP connection with the IM308 B and the
CP 5430 TF/CP 5431 FMS.
This manual (Volume 1) describes the common functions of the CP 5430
TF/CP 5431 FMS (layer 2). The layer 7 communication of the TF services
on SINEC L2 is described in Volume 2 for each module separately.
Transmission - RS 485
7 Application
Layer
6 Presentation
5 Session
4 Transport
3 Network
2 Data Link
1 Physical
Shielded twisted pair
SINEC L2-FMS
Transmission - Fiber Optic
Fiber optic cable
SINEC L2-TF
PROFIBUS standard DIN 19245 T.1
CI
ALI
FMS
LLI
empty
SINEC
L2-DP
I / O
I / O
USER PROGRAMS
S5S5
FL2
ZP
I / O
User interface
SINEC TF = MMS
SINEC AP
empty
L2 transport
empty
GP
I / O
DP
Fig. 2.1 Layered Structure with SINEC L2/L2FO
System Overview B8976060/02
Volume 1 2 - 8