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Trang chủ » Giải pháp » Giao thức BACnet/IP và ứng dụng trong hệ thống điều khiển tòa nhà (BMS)

Giao thức BACnet/IP và ứng dụng trong hệ thống điều khiển tòa nhà (BMS)

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Giao thức BACnet/IP và ứng dụng trong hệ thống điều khiển tòa nhà (BMS)

BACnet is a communications protocol for building automation and control networks. It is an ASHRAE, ANSI, and ISO standard protocol. BACnet was designed to allow communication of building automation and control systems for applications such as heating, ventilating, and air-conditioning control, lighting control, access control, and fire detection systems and their associated equipment. The BACnet protocol provides mechanisms for computerized building automation devices to exchange information, regardless of the particular building service they perform.

BACnet Introduction

The BACnet protocol defines a number of services that are used to communicate between building devices. The BACnet protocol also defines a number of Objects that are acted upon by the services. The objects include Analog Input, Analog Output, Analog Value, Binary Input, Binary Output, Binary Value, Multi-State Input, Multi-State Output, and Device…etc

The BACnet is based on a four-layer collapsed architecture that corresponds to the physical, data link, network, and application layers of the OSI model. The application layer and a simple network layer are defined in the BACnet standard

BACnet Features

  • Designed specifically for building automation control
  • Conformance to ANSI/ASHRAE Standard 135-2008 or ISO 16484-5
  • A completely non-proprietary open communication software standard
  • Support several different physical and link layers (BACnet/IP, Ethernet, ARCNET, MS/TP, PTP, and LonTalk)
  • All data in a BACnet system is represented in terms of “objects,” “properties” and “services.”
  • Scalability and choice of compatibility with other systems and vendors
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