{"id":9028,"date":"2022-10-19T15:31:54","date_gmt":"2022-10-19T07:31:54","guid":{"rendered":"https:\/\/store.west-hn.com\/?p=9028"},"modified":"2022-10-14T14:13:54","modified_gmt":"2022-10-14T06:13:54","slug":"https-store-west-hn-com-iot-communication-protocols-bacnet","status":"publish","type":"post","link":"https:\/\/store.west-hn.com\/en\/https-store-west-hn-com-iot-communication-protocols-bacnet\/","title":{"rendered":"Internet of Things Communication Protocol-BACnet"},"content":{"rendered":"<h2 class=\"wp-block-heading\">summarize<\/h2><p class=\"wp-block-paragraph\">IoT development has unique product characteristics and application environments in various fields; therefore various types of<a href=\"https:\/\/store.west-hn.com\/iot-related-communication-protocols\/\">IoT protocols<\/a>Gradually evolving in their respective industries and becoming specific standards as they become more and more used, BACnet (Building Automation and Control Networks Building Automation and Control Networks) is one of the popular automation and control protocols used in the products of leading industry suppliers such as<a href=\"https:\/\/www.johnsoncontrols.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Johnson Controls Inc.<\/a>Siemens Building Technologies (<a href=\"https:\/\/new.siemens.com\/global\/en\/products\/buildings.html\" target=\"_blank\" rel=\"noreferrer noopener\">Siemens building technologies<\/a>).<a href=\"https:\/\/www.kmccontrols.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"broken_link\">KMC Controls<\/a>, remote control systems, etc. It is a networking standard developed by the American Heating, Refrigeration and Air Conditioning Engineers. The American National Standards Institute (ANSI) and the International Organization Standard (ISO) have also adopted BACnet as the standard for networking building automation systems.<\/p><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/BACNet.webp\" alt=\"\" class=\"wp-image-9084\" width=\"828\" height=\"268\"\/><figcaption>Examples of devices set up to the same BACnet workstation, which may include BACnet LAN, ARCNET, and BACnet IP. image courtesy of BACnet.org.<\/figcaption><\/figure><p class=\"wp-block-paragraph\">BACnet applications are very wide-ranging; BACnet applications include lighting control, security, fire control, alarms, HVAC (heating, ventilation, air conditioning and interfacing with utility companies).<\/p><p class=\"wp-block-paragraph\"><a href=\"https:\/\/bacnetinternational.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BACnet International (BACnet International)<\/a>Responsible for conformance testing services as well as the development and adoption of the BACnet standard.<\/p><h2 class=\"wp-block-heading\">Development History<\/h2><p class=\"wp-block-paragraph\">In 1987, a round table on \"Standardized Energy Management System Protocols\" was held in New York, USA, for the first time, consisting of experts in the field of building automation, and it was decided that the ASHRAE (ASHRAE) would be responsible for the development of the standardized energy management system.<a href=\"https:\/\/www.ashrae.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">American Society of Heating, Refrigerating and Air-Conditioning Engineers (American Society of Heating, Refrigerating and Air-Conditioning Engineers)<\/a>BACnet is a standardized data communication protocol for building automation networks, known as BACnet. After 15 years of discussions and reviews, BACnet was finally recognized by the world at the Round Table Conference in 2003 and became the international standard for buildings - ISO16484-5.<\/p><p class=\"wp-block-paragraph\">1987.01 - ASHRAE initiated the formation of SPC 135p Committee - Standard Project Committee 135p<br>1991.08 - First public review of draft standards<br>1994.03 - Second public review of draft standards<br>1995.03 - Third public review of draft standards<br>1995.06 - Formalization as an ASHRAE standard<br>1995.12 - Approved as an American National Standard and officially named ANSI\/ASHRAE Standard 135-1995<br>2002.01 - Official release of new version of ANSI\/ASHRAE 135-2001 standard<br>2003.01 - Became an official ISO standard ISO16484-5<\/p><h2 class=\"wp-block-heading\">Protocol Architecture<\/h2><h3 class=\"wp-block-heading\">Type of service<\/h3><p class=\"wp-block-paragraph\">Four service primitives are defined: request, indication, response, and confirm, and the protocol defines the following kinds of services<\/p><ul class=\"wp-block-list\"><li>There is a confirmed service: marked with CONF_SERV. Existence of client\/server model, distinction between \"requesting BACnet user\" and \"responding BACnet user\", etc.<\/li><li>Unconfirmed service: marked with UNCONF_SERV.<\/li><li>Segment acknowledgement (SEGMENT) service: marked with SEGMENT_ACK.<\/li><li>Error (ERROR) service.<\/li><li>Reject (REJECT) service.<\/li><li>Abort (ABORT) services<\/li><\/ul><h3 class=\"wp-block-heading\">PDU type<\/h3><p class=\"wp-block-paragraph\">Information in the original language, passed by various protocol data units (PDU: Protocol Data Unit)<\/p><ul class=\"wp-block-list\"><li>BACnet has confirmed request PDUs<\/li><li>BACnet Unconfirmed Request PDU<\/li><li>BACnet Simple Acknowledgement PDU<\/li><li>BACnet Complex Acknowledgement PDUs<\/li><li>BACnet Segmentation Acknowledgement PDU<\/li><li>BACnet error PDUs<\/li><li>BACnet rejects PDUs<\/li><li><span style=\"color: initial;\">BACnet Abort PDU<\/span><\/li><\/ul><h3 class=\"wp-block-heading\">Service Options<\/h3><ul class=\"wp-block-list\"><li>Document access services<\/li><li>Object Access Service<\/li><li>Remote device management services<\/li><li>Who-Has and I-Have services<\/li><li>Who-Is and I-Am services<\/li><li>VTS<\/li><\/ul><h3 class=\"wp-block-heading\">Object:<\/h3><p class=\"wp-block-paragraph\">The object Obiect is an abstraction of a feature in a real device. Objects in the real world have two common features: they all have state and behavior. For example a dog has its own state (e.g. name, color, birth, and hunger, etc.) and behavior (e.g. wagging tail, etc.). Similarly a bicycle has its own state (e.g., current gear, two wheels, etc.) and behavior (e.g., braking, accelerating, decelerating, and changing gears, etc.).<\/p><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"976\" height=\"731\" src=\"https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-8.png\" alt=\"\u5bf9\u8c61\" class=\"wp-image-9116\" srcset=\"https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-8.png 976w, https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-8-768x575.png 768w, https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-8-600x449.png 600w\" sizes=\"(max-width: 976px) 100vw, 976px\" \/><figcaption>boyfriend<\/figcaption><\/figure><ol class=\"wp-block-list\"><li>Analog Input Object Type (AIO)<\/li><li>Analog Output Object Type (AOT)<\/li><li>Analog Value Object Type (AVOT)<\/li><li>Binary Input Object Type (BIOT)<\/li><li>Binary Output Object Type (BOOT)<\/li><li>Binary Value Object Type (BVOT)<\/li><li>Calendar Object Type (Date Sheet Object Type)<\/li><li>Command Object Type (Command Object Type)<\/li><li>Device Object Type (Device Object Type)<\/li><li>Event Enrollment Object Type (EOT)<\/li><li>File Object Type<\/li><li>Group Object Type<\/li><li>Loop Object Type<\/li><li>Multi-state Input Object Type (Multi-state Input Object Type)<\/li><li>Multi-state Output Object Type (Multi-state Output Object Type)<\/li><li>Notification Class Object Type (NCOT)<\/li><li>Program Object Type (Program Object Type)<\/li><li>Schedule Object Type (Schedule Object Type)<\/li><\/ol><h3 class=\"wp-block-heading\">BACnet architecture<\/h3><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1038\" height=\"351\" src=\"https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-9.png\" alt=\"BACnet \u67b6\u6784 ARCHITECTURE\" class=\"wp-image-9118\" srcset=\"https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-9.png 1038w, https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-9-768x260.png 768w, https:\/\/store.west-hn.com\/wp-content\/uploads\/2022\/10\/image-9-600x203.png 600w\" sizes=\"(max-width: 1038px) 100vw, 1038px\" \/><figcaption>BACnet Architecture<\/figcaption><\/figure><h2 class=\"wp-block-heading\">Typical application areas<\/h2><ul class=\"wp-block-list\"><li>Heating, ventilation and air conditioning<\/li><li>lighting control<\/li><li>Elevator monitoring<\/li><li>access control<\/li><li>Security and fire alarm system monitoring and integration<\/li><li>Energy management and energy services<\/li><li>Operational data<\/li><\/ul><h2 class=\"wp-block-heading\">Related resources<\/h2><ul class=\"wp-block-list\"><li><a href=\"https:\/\/bacnet.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BACnet Committee<\/a>: Also known as SSPC 135 (Standing Standards Program Committee) of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). It develops and continuously maintains the BACnet standard<\/li><li><a href=\"https:\/\/btl.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BACnet Test Lab (BTL)<\/a>: It establishes test requirements, issues product certifications, and maintains all BACnet test product<a href=\"https:\/\/www.bacnetinternational.net\/btl\/\" target=\"_blank\" rel=\"noreferrer noopener\">Global database<\/a><\/li><li><a href=\"https:\/\/thebacnetinstitute.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BACnet Institute<\/a>: A BACnet-centric online portal for learning and knowledge sharing. It includes several BACnet introductory online courses as well as a library of selected articles, presentations, white papers and other BACnet information.<\/li><li><a href=\"https:\/\/bacnetinternational.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BACnet International<\/a>: Promote BACnet implementation adoption through education, promotion and interoperability testing activities.<\/li><li><a href=\"http:\/\/www.big-ca.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">BIG-CA<\/a>: Development and adoption of BACnet for open data exchange and interoperability of building automation components in the China-Asia region<\/li><\/ul><h3 class=\"wp-block-heading\">BACnet Related Knowledge Documentation<\/h3><ul class=\"wp-block-list\"><li>BACnet Basics (<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Basics.odp\" target=\"_blank\" rel=\"noreferrer noopener\">ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Basics.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Developer Workshop&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Developer_Workshop.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Developer_Workshop.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Essential Objects Services&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Essential_Objects_Services.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Essential_Objects_Services.pdf\">(PDF)<\/a><\/li><li>BACnet\/IP Details&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_IP_Details.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_IP_Details.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet MS\/TP Details&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_MSTP.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_MSTP.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Network Configuration&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Network_Configuration.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Network_Configuration.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Network Tools&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Network_Tools.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Network_Tools.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Efficient Networks&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Effecient_Networks.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Effecient_Networks.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Packet Structure Encoding&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Packet_Structure_Encoding.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Packet_Structure_Encoding.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><li>BACnet Testing and Certifying Products&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Testing_Certifying_Products.odp\" target=\"_blank\" rel=\"noreferrer noopener\">(ODP)<\/a>&nbsp;<a href=\"http:\/\/kargs.net\/BACnet\/BACnet_Testing_Certifying_Products.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PDF)<\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Overview IoT development has unique product characteristics and application environments in various fields; therefore various types of IoT protocols are progressively developing in their respective industries, and with more and more<\/p>","protected":false},"author":2,"featured_media":9121,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[356],"tags":[546,360,191,357],"class_list":["post-9028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot","tag-bacnet","tag-protocol","tag-internet-of-things","tag-telecom"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - 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