UFGS 23 09 23.01 Lonworks Direct Digital Control for HVAC and Other Building Control Systems  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Feb-2020 A C 1

Incorporated changes to accommodate new requirements for an exception to the use of open protocols within specific system types when certain criteria are met.

Feb-2019 A R

Complete review and update.

Nov-2015 A N

Superseding UFGS 23 09 23 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS and UFGS 23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC