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- 07:37, 4 October 2026 MS/TP Wiring Guide (hist | edit) [2,028 bytes] BACnetEd (talk | contribs) (Created page with "``` Wiring Guide for BACnet MS/TP {| class="wikitable sortable" ! Manufacturer !! Part Number !! Voltage Rating !! Gauge AWG !! Pairs !! Temp Rating °C !! Impedance ohms !! Capacitance pF/ft. !! Cable Dia. |- | Alpha Wire || 5430/2 || 600V AWM/UL1015 || 18 || 1 || –30/+105 || 58 || 39 || 0.28″ |- | Alpha Wire || 6453 || 300V PLTC, CM || 22 || 1 || –20/+60 || 1...")
- 07:15, 4 October 2026 RS-485 Polarity First Principles (hist | edit) [346 bytes] BACnetEd (talk | contribs) (Created page with "'''Attempting to reduce RS-485 polarity issues to fundamental reasoning * A>B means "binary 0 on the bus" or "ON" - from the standard * "MARK" state (no transmitters enabled) is defined by line biasing, and sets A>B, and this is "Idle" * UARTs output a logic '1' (high voltage) for Idle state! * A is non-inverting (+), B is inverting (-) Done")
- 06:56, 6 September 2026 MS/TP Troubleshooting (hist | edit) [857 bytes] BACnetEd (talk | contribs) (Created page with "This page is intended as a guide to troubleshooting BACnet MS/TP networks. {| class="wikitable" |+ Curated List of the most common problems |- ! Votes !! Description |- | 1 || Improper grounding - device not grounded |- | 1 || Improper grounding - common not grounded with 100R resistor to ground |- | 1 || Improper grounding - Shield not terminated |}")
- 06:48, 4 September 2026 BACnet MS/TP (hist | edit) [419 bytes] BACnetEd (talk | contribs) (Created page with "BACnet MS/TP - or "Mulitdrop Serial Bus / Token Passing" is a RS-485 physical layer designed to support multiple devices sharing a RS-485 bus. It is primarily used for small controllers such as for VAVs, RTUs, sensors or actuators. The language has changed to avoid the derogatory Master-Slave/Token Passing used in the past, but it will take a while for the industry to migrate from this embedded use of the language.")
- 02:44, 18 August 2026 BACnet Vendor ID List (hist | edit) [120 bytes] BACnetEd (talk | contribs) (Created page with "The official BACnet Vendor ID list can be found on the BACnet.org website [https://bacnet.org/assigned-vendor-ids/ link]")
- 05:15, 15 August 2026 Peer Transfer Object (hist | edit) [669 bytes] BACnetEd (talk | contribs) (Created page with "This is a proof-of-concept project in preparation for submitting a new "Peer Transfer Object" proposal to the BACnet Steering Committee See the Wiki overview of Diagnostic Features, and related Diagnostic Services {| class="wikitable" |+ Peer Transfer Object (one per device) |- ! Property !! Req !! New !! Datatype !! Description |- | BACnet Stack Vendor ID || O || || Unsigned || Different to the Vendor ID of the device itself if 3rd party stack |- | BACnet Stac...")
- 08:42, 1 August 2026 Test (hist | edit) [483 bytes] BACnetEd (talk | contribs) (Created page with "{| class="wikitable sortable filterable" ! Product ! Manufacturer ! Category ! Status ! Priority ! Date reported |- | ASI IntelliFront | ASI Controls | Controller | Open | High | 2026-07-21 |- | PXC4 | Siemens | Controller | Closed | Medium | 2026-06-15 |- | CIPer 50 | Honeywell | Controller | Investigating | High | 2026-07-30 |- | Automation Server | Schneider Electric | Supervisor | Open | Low | 2026-05-12 |- | JACE 9000 | Tridium | Supervisor | Closed | Medium | 2026-...")
- 04:47, 23 July 2026 135.1 - 13.1.2 TD Initiated Unsegmented Request and Segmented Response (Non-Window) (hist | edit) [657 bytes] BACnetEd (talk | contribs) (Created page with "This test is considered invalid. Test 13.1.2 from 135.1 contradicts the BACnet standard. According to Clause 5.4.5.4 of the BACnet standard: === UnexpectedPDU_Received If an unexpected PDU (BACnet-Confirmed-Request-PDU) that is secured with the same settings as the original PDU is received from the network layer, then stop SegmentTimer; issue an N-UNITDATA.request with 'data_expecting_reply' = FALSE to transmit a BACnet-Abort-PDU with 'server' = TRUE; and enter the ID...")
- 04:41, 23 July 2026 BTL Test Commentary (hist | edit) [366 bytes] BACnetEd (talk | contribs) (Created page with "{| class="wikitable" |+ 135.1 Tests and comments |- ! 135.1 Test !! BTL Test !! Notes |- | 13.1.2 TD Initiated Unsegmented Request and Segmented Response (Non-Window) || || This test does not reflect the 135 standard, and is invalid. |}")