All things related to HVAC https://wiki.hvac.io/ Tue, 28 Apr 2026 23:47:58 +0000 FeedCreator 1.8 https://wiki.hvac.io/_media/wiki/logo.png https://wiki.hvac.io/ https://wiki.hvac.io/controls/protocols/bacnet/qna?rev=1601795160&do=diff BACnet Questions and Answers Here are a few interesting Q&A gathered from the BACnet mailing list. Broadcasts When sending a Who-Is broadcast, I have some devices that won't answer I-Am like I would expect them to. - Christian Fortin (…) broadcasts can and will get lost, especially when there are a lot of them. If you broadcast a Who-Is with no parameters, ALL devices have to answer, so you will get a flurry of I-Am, some of which may get dropped. anonymous@undisclosed.example.com (Anonymous) Sun, 04 Oct 2020 07:06:00 +0000 https://wiki.hvac.io/controls/protocols/bacnet/tools?rev=1601826776&do=diff Tools Librairies & Stack BACnet Protocol Stack <http://bacnet.sourceforge.net> This BACnet library provides a BACnet application layer, network layer and media access (MAC) layer communications services for an embedded system. BACpypes <http://bacpypes.sourceforge.net> This BACnet library provides a BACnet application layer and network layer written in Python for daemons, scripting, and graphical interfaces. anonymous@undisclosed.example.com (Anonymous) Sun, 04 Oct 2020 15:52:56 +0000