Technical data
Fieldbus Communication • 209
BACnet/IP
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
4.2.1.4.1 Automation Level
The automation level includes alarm organization and the operation of sys-
tems.
Areas of use
• Monitoring
• Optimizing
• Control
• Regulating
• Reporting
4.2.1.4.2 Field Level
On this level, individual devices and alarm notifications, e.g. the recording of
states and measured values, are controlled.
Application notes
• Trade shows
• Switching
• Setting
4.2.1.5 BACnet in the ISO/OSI Model
BACnet works in an object-oriented manner on the basis of the ISO/OSI
Model. Data communication takes place on three levels.
BACnet/IP
ISO 8802-3
Ethernet
MS / TP
RS 485
Dial-up
PTP
RS 232
LonTalk
BACnet Application Layer
BACnet Network Layer
BACnet Virtual Link Layer
Anwendungsschicht
Vermittlungsschicht
Sicherungsschicht
Medienzugriff
Bitübertragungsschicht
ISO 8802-2
Type 1
ARCnet
Fig. 4-14: BACnet layers in the ISO/OSI Model G083006d