{"id":2581,"date":"2024-10-04T10:06:06","date_gmt":"2024-10-04T14:06:06","guid":{"rendered":"https:\/\/bacnet.org\/?post_type=news&#038;p=2581"},"modified":"2024-10-04T10:11:09","modified_gmt":"2024-10-04T14:11:09","slug":"bacnet-protocol-revision-27-and-protocol-revision-28-released","status":"publish","type":"news","link":"https:\/\/bacnet.org\/news\/bacnet-protocol-revision-27-and-protocol-revision-28-released\/","title":{"rendered":"BACnet Protocol Revision 27 and Protocol Revision 28\u00a0Released"},"content":{"rendered":"\n<p><em>Greensburg, PA, October 3, 2024 <\/em>\u2014 Coleman Brumley, Chair of ANSI\/ASHRAE SSPC 135, is pleased to announce the release of BACnet Protocol Revision 27 and Protocol Revision 28.\u00a0<\/p>\n\n\n\n<p>Protocol Revision 27 includes Addendum 135-2020<em>bx <\/em>and Addendum 135-2020<em>ci. <\/em>Addendum BX introduces the concept of a BACnet Device Proxy. Addendum CI introduces various clarifications based upon responses to interpretation requests.&nbsp;<\/p>\n\n\n\n<p>Protocol Revision 28 includes Addendum 135-2020<em>cj <\/em>and Addendum 135-2020<em>co<\/em>. Addendum CJ includes new functionality pertaining to lighting objects. Addendum CO includes clarification about the out-of-service concept with regards to reliability and removes fault algorithm conflicts.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Greensburg, PA, October 3, 2024 \u2014 Coleman Brumley, Chair of ANSI\/ASHRAE SSPC 135, is pleased to announce the release of BACnet Protocol Revision 27 and Protocol Revision 28.\u00a0 Protocol Revision [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/news\/2581"}],"collection":[{"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/types\/news"}],"wp:attachment":[{"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/media?parent=2581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/categories?post=2581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bacnet.org\/wp-json\/wp\/v2\/tags?post=2581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}