gefran BDI50 Series User Manual

App 3-18
A3.2 BACnet communication protocol
1. BACnet Protocol Descriptions
BACnet is in compliance with four-layer of seven-layer structure models in OSI (Open
Systems Interconnection) of International Standard Organization (ISO). These four-layer
structure models are application layer, network layer, data link layer and physical layer.
Besides, BACnet is definced by the view of standard “object” and “property.” All BACnet
devices are controlled via the property of objects. Every controller with BACnet devices is
considered an object collector so that every controller device can execute different kinds of
functions of objects to achieve the communication control and monitor control.
Application
Layer
Network Layer
Data Link Layer
Physical Layer
Application Layer of BACnet
Network Layer of BACnet
ISO- 8802-2
(IEEE802.2)
ISO- 8802-3
(IEEE802.3)
ARCNET
MS/TP PTP
EIA-485 EIA-232
LonkTalk
OSI Corresponding ModelBACnet Simple Model

gefran BDI50 Series Specifications

General

Brand	gefran
Model	BDI50 Series
Category	Inverter
Language	English