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164 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-363/0040-0000 FC EtherNet/IP G4 ECO XTR
Manual
Version 1.0.0
11.2.2 Protocol overview in the OSI model
In order to clarify the interrelationships between DeviceNet, ControlNet and
EtherNet/IP, the following diagram presents the associated ISO/OSI reference
model.
7
Application
Layer
Object Library
(Communications, Applications, Time Synchronization) Safety Object Library
Com
on
Indus
tria
l P
rot
oc
ol
(C
IP
)
6
Presentation
Layer
Data Management Services
Explicit and I/O Messages
Safety Services and
Messages
5
Session
Layer
Connection Management, Routing
4
Transport
Layer
TCP/UDP
CompoNet
Network and Transport
ControlNet
Network and
Transport
DeviceNet
Network and
Transport
Ne
tw
or
k A
da
pt
ati
ons
of
C
IP
3
Network
Layer
Internet
Protocol
2
Data Link
Layer
Ethernet
CSMA/CD
CompoNet
Time Slot
ControlNet
CTDMA
CAN
CSMA/NBA
1
Physical
Layer
Ethernet
CompoNet
ControlNet
DeviceNet
Table 84: ISO/OSI reference model