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ANSI/ASHRAE 135-2012

ANSI/ASHRAE 135-2012

Standard 135-2012-- BACnet--A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved) ASHRAE / 2012 / 1052 pages

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Meet Building Automation and Control Systems Communication Needs with Standard 135-2012

BACnet, the ASHRAE building automation and control networking protocol, has been designed specifically to meet the communication needs of building automation and control systems for applications such as heating, ventilating, and air-conditioning control, lighting control, access control, and fire detection systems. The BACnet protocol provides mechanisms by which computerized equipment of arbitrary function may exchange information, regardless of the particular building service it performs. As a result, the BACnet protocol may be used by head-end computers, general-purpose direct digital controllers, and application specific or unitary controllers with equal effect.

This protocol provides a comprehensive set of messages for conveying encoded binary, analog, and alphanumeric data between devices including, but not limited to:
(a) hardware binary input and output values,
(b) hardware analog input and output values,
(c) software binary and analog values,
(d) text string values,
(e) schedule information,
(f) alarm and event information,
(g) files, and
(h) control logic.

The purpose of Standard 135 is to define data communication services and protocols for computer equipment used for monitoring and control of HVACR and other building systems and to define, in addition, an abstract, object-oriented representation of information communicated between such equipment, thereby facilitating the application and use of digital control technology in buildings.

This 2012 publication of the standard was motivated by the wide-reaching changes in alarming functionality made by Addendum af to Standard 135-2010. This edition of the standard also includes the recently adopted changes for the lighting industry.

Keywords: BACnet, building automation, building automation system, BAS, building control network, building automation network



Product Code(s): D-86439,86439

This product is related to: ANSI/ASHRAE 135.1-2011 - Standard 135.1-2011 -- Method of Test for Conformance to BACnet (ANSI Approved)
This product replaces:ANSI/ASHRAE 135-2010 - Standard 135-2010 -- BACnet -- A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
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ASHRAE IC 135-2010-11
ASHRAE IC 135-2010-10
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ANSI/ASHRAE 135-2010 Addendum ao
ANSI/ASHRAE 135-2010 Addendum i
ANSI/ASHRAE 135-2010 Addendum aa
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ANSI/ASHRAE 135-2010 Addendum ak
ANSI/ASHRAE 135-2010 Errata
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ASHRAE 135-2010 Addendum ad
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ANSI/ASHRAE 135-2008 Addendum v
ANSI/ASHRAE 135-2008 Addendum ac
ANSI/ASHRAE 135-2008 Addendum ab
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ANSI/ASHRAE IC 135-2008-15
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ANSI/ASHRAE 135-2010
ANSI/ASHRAE IC 135-2008-10
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ANSI/ASHRAE IC 135-2008-12
ANSI/ASHRAE IC 135-2008-6
ANSI/ASHRAE IC 135-2008-8
ANSI/ASHRAE 135-2008 Errata 2010
ANSI/ASHRAE 135-2008 Addendum z
ANSI/ASHRAE 135-2008 Addendum g
ANSI/ASHRAE 135-2008 Addendum p
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ANSI/ASHRAE 135-2008 Addendum j
ANSI/ASHRAE 135-2008 Addendum l
ANSI/ASHRAE 135-2008 Addendum o
ANSI/ASHRAE 135-2008 Addendum ah
ANSI/ASHRAE 135-2008 Errata 2009
ANSI/ASHRAE 135-2008 Errata to Addendum q 2009
ANSI/ASHRAE 135-2008 Addendum q
ANSI/ASHRAE 135-2008
ANSI/ASHRAE 135-2004 Addendum b
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ANSI/ASHRAE 135-2004 Addendum f
ANSI/ASHRAE 135-2004 Addendum c
ANSI/ASHRAE 135-2004 Addendum d
ANSI/ASHRAE 135-2004 Addendum a
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ANSI/ASHRAE 135-2001 Addendum d
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ANSI/ASHRAE 135-2001
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