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oSIST prEN ISO 16484-2:2016
01-julij-2016
Avtomatizacija stavb in sistemi za regulacijo - 2. del: Strojna oprema (ISO/DIS
16484-2)
Building automation and control systems (BACS) - Part 2: Hardware (ISO/DIS 16484-2)
Systeme der Gebäudeautomation (GA) - Teil 2: Hardware (ISO/DIS 16484-2)
Ta slovenski standard je istoveten z: prEN ISO 16484-2 rev
ICS:
35.240.67 Uporabniške rešitve IT v IT applications in building
gradbeništvu and construction industry
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
oSIST prEN ISO 16484-2:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 16484-2:2016
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oSIST prEN ISO 16484-2:2016
DRAFT INTERNATIONAL STANDARD
ISO/DIS 16484-2
ISO/TC 205 Secretariat: ANSI
Voting begins on: Voting terminates on:
2016-06-23 2016-09-14
Building automation and control systems (BACS) —
Part 2:
Hardware
Systèmes de gestion technique du bâtiment —
Partie 2: Équipement
ICS: 91.040.01
ISO/CEN PARALLEL PROCESSING
This draft has been developed within the European Committee for Standardization
(CEN), and processed under the CEN lead mode of collaboration as defined in the
Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member
THIS DOCUMENT IS A DRAFT CIRCULATED
bodies for a parallel five month enquiry.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
To expedite distribution, this document is circulated as received from the
IN ADDITION TO THEIR EVALUATION AS
committee secretariat. ISO Central Secretariat work of editing and text
BEING ACCEPTABLE FOR INDUSTRIAL,
composition will be undertaken at publication stage.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 16484-2:2016(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2016
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oSIST prEN ISO 16484-2:2016
ISO/DIS 16484-2:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
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ii © ISO 2016 – All rights reserved
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oSIST prEN ISO 16484-2:2016
ISO/DIS 16484-2:2016(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviations, acronyms and symbols, .32
5 Requirements .34
5.1 BACS components . .34
5.1.1 Hardware components and system functionality .34
5.1.2 System configuration .34
5.1.3 Basic hardware performance criteria .35
5.2 Management devices .35
5.2.1 General.35
5.2.2 Data processing device, server station .36
5.2.3 Peripherals .36
5.2.4 Interfaces .38
5.2.5 Alarm indication and annunciation devices .39
5.3 Control devices .40
5.3.1 General.40
5.3.2 Controller .41
5.3.3 Application specific controller .47
5.4 Field devices .48
5.4.1 General.48
5.4.2 Coupling module .48
5.4.3 Local override/indication device .49
5.4.4 Sensors .50
5.4.5 Actuators.52
5.4.6 Room device .55
5.5 Cabling .55
5.6 System communications .56
5.6.1 General.56
5.6.2 Interconnection of devices within networks .58
5.6.3 Interconnection of devices between networks.58
5.6.4 Communications protocol.59
5.7 Engineering/commissioning tools.59
5.7.1 General.59
5.7.2 Engineering tools.59
5.7.3 Commissioning tools .59
Annex A (informative) General safety requirements and environmental conditions .61
Annex B (informative) Normative references to international publications with their
corresponding European publications .62
Bibliography .63
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oSIST prEN ISO 16484-2:2016
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Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,
as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the
Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.
The committee responsible for this document is ISO/TC 205, “Building environment design”.
ISO 16484-2 is part of the EN ISO 16484- series of International Standards under the general title
Building Automation and Control Systems (BACS) and consists of the following parts:
Part 1: Overview and Vocabulary
Part 2: Hardware
Part 3: Functions
Part 4: Applications
Part 5: Data communication - Protocol
Part 6: Data communication - Conformance testing
Part 7: Project specification and implementation
In this standard, Annex A: General safety requirements and environmental conditions and the Bibliography
are both informative.
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oSIST prEN ISO 16484-2:2016
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Introduction
This series of standards is intended for design of new buildings and retrofit of existing buildings for an
acceptable indoor environment, practical energy conservation and efficiency.
The application of this series of standards for BACS is envisaged as follows:
— the environmental design for all building types requires complex methods for automation and
control. The functional integration of services other than HVAC e.g. lighting and electric power
distribution control, security control, transportation, maintenance management or facilities
management is a general task for all parties employed to develop an integrated multi-application
system. This integration allows the user to take advantage of synergies between the different
applications. This standard will give guidance to architects, consultants and contractors as well as
to users on how to share such resources,
— the innovation cycles between devices, systems and networks vary. To make it possible to add
and to change existing devices, and extend the building automation and control network, several
interfaces both proprietary and standardized are defined between the BACS network and the other
systems. A manufacturer can design a product, both to meet his specific marketing objectives and
to give the option to integrate that special device into a multi-application BACS. Interfaces are also
defined in appropriate parts of this standard along with the necessary communications protocol
and conformance test required to support the inter-working of devices,
— a manufacturer, a systems house, or an electrical or mechanical contractor can assemble an
implementation of a building automation and control system,
— the application of this standard is not to standardize the hardware and software design or the
architecture of a System, but to define the process for the creation of project specifications, where
functionality and the quality of the solution are clearly defined.
The purpose of this series of standards is intended for use by those involved in the design, manufacture,
engineering, installation, commissioning, operational maintenance and training of BACS when
contracted, i.e.:
— as a guide to the terminology of the building automation and control trade. Unambiguous terminology
is required for a complete and accurate conveyance of the intent and details of this standard;
— in product development, to avoid unnecessary duplication of function or terminology, but should not
place a restraint on the evolution of new products, systems or applications;
— as a basis for interfacing products and systems. In order to interoperate, the elements of a BACS
require a unified data communication protocol and information model;
— as a basis for drawing up a project specification for the procurement of building automation and
control products for systems suppliers and customers;
— as a code of practice for expertly commissioning prior to handover of a system;
— by educational establishments wishing to train people in the field of building automation and control
systems.
This entire series of BACS standards consists of the following contents:
Part 1: Overview and definitions (in preparation)
Part 1 of this standard describes the objectives and interrelationships of all parts of this standard. It
provides an overview and detailed information about the structure of the related series of standards
for the BACS industry.
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oSIST prEN ISO 16484-2:2016
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This part of the standard provides also the vocabulary with terms and definitions for the understanding
of the entire series of this standard and it contains a translation of the main terms in English, French,
Russian, and German in an informative annex.
This ongoing work is coordinated at expert level with standards work from ISO/TC 205/WG 3 and
CEN/TC 247/WG 3, WG 4, WG 5 and WG 6.
Part 2: Hardware (refer to the scope of this part)
Part 3: Functions
Part 3 of this standard specifies the requirements for the overall functionality and engineering
services to achieve building automation and control systems. It defines terms, which shall be used for
specifications and it gives guidelines for the functional documentation of project/application specific
systems. It provides a template for documentation of plant/application specific functions, called BACS
function list in annex A.
The informative function block examples explain a method to display the referenced functions in system
documentation; they do not standardize the method for programming functions and applications.
This Part 3 of the standard covers the following:
Requirements and definitions regarding BACS and application software, generic functions for
plant/project specific applications and engineering functions for building controls and operations. It
provides communication functions for the integration of other dedicated special system processes. The
functional requirements in this part of the standard are subdivided as follows:
— System management and application software:
describes the requirements for plant independent system and human system interface programs
related to a project, including the operating system. This standard does not dedicate the following
system functionality to any particular hardware, e.g.:
— system diagnostics, watchdog, redundancy, time keeping, access control, log lists;
— point identification, event message handling, print control;
— database, statistics, data archiving, remote access;
— system communications.
— Human system interface (HSI), point information presentation, graphics, alarms, time scheduling
— Engineering process and tool software:
describes the requirements for configuring of the hardware and control strategies, the system
management and the commissioning process.
— BACS application processing programs and plant/application specific functions:
describes the requirements for plant, application and / or project specific functions and a method for
the documentation of a project. The functions are subdivided into the following types:
— input and output functions;
— processing functions;
— management functions and required communications;
— operator functions.
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oSIST prEN ISO 16484-2:2016
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Part 3 defines a method for creating the procurement specifications containing all essential elements
required for the operational functioning of a BACS. The successful installation and operation of a BACS
requires that its procurement be based on a complete specification with accurately defined functions.
The standard provides a template called the ‘BACS function list’ that can be found in annex A
(normative). Its purpose is to determine and document the options for plant / application specific
functionality. Further explanations can be given in form of plant/control descriptions, control flow
chart diagrams, and plant/control schematics. Examples are given in annex B (informative). The exact
specifications will be project-specific. Information about the standardized functions is given in the
form of informative examples as function-blocks, textual, and graphical descriptions in 5.5.
It is recognized, that functions can be described and implemented in many different ways, depending on:
— climatic differences;
— cultural and regional differences;
— national regulations.
Part 4: Applications
Part 4 of this standard specifies the requirements for specific communicating applications/devices, e.g.
for general room automation and for sophisticated optimization of controls for heating, fan coil and
induction units, CAV, VAV and radiant cooling.
This work will be coordinated at expert level with standards work from ISO/TC 205/WG 3 and
CEN/TC 247.
Part 5: Data Communication – Protocol
Part 5 of this standard specifies data communication services and objects for computer equipment and
controllers used for monitoring and control of HVAC&R and other systems of building services.
This protocol provides a comprehensive set of objects for conveying encoded binary, analog, and
alphanumeric data between devices including, but not limited to:
— input measuring: analog input object;
— output positioning/set-point: analog output object;
— binary input counting;
— input state: binary input object, multi-state input;
— output switching: binary output object, multi-state output;
— values: analog value, binary value, multi-state value, accumulated value, averaging object, trend
log object;
— text string;
— schedule information;
— alarm and event information;
— files; and
— control programs and parameters respectively.
This protocol models each building automation and control system as a collection of data structures
called objects, the properties of which represent various aspects of the hardware, software, and
operation of the device. These objects provide a means of identifying and accessing information without
requiring knowledge of the details of the device’s internal design or configuration.
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An overview of possible integration with other systems in buildings, e.g. fire, security, access control,
maintenance and facilities management, is shown in Figure 1 of Part 2 of this standard.
Part 6: Data Communication – Conformance testing
Part 6 of the standard specifies the technical requirements of the conformance test suite and the
methods for testing the products for the conformance with the protocol. It provides a comprehensive
set of procedures for verifying the correct implementation of each capability claimed on a BACS network
protocol implementation conformance statement (PICS) including:
a) support of each claimed BACS network service, either as an client (initiator), server (executor),
or both;
b) support of each claimed BACS network object-type, including both required properties and each
claimed optional property;
c) support of the BACS network layer protocol;
d) support of each claimed data link option, and
e) support of all claimed special functionality.
Part 7: Project specification and implementation
Part 7 of this standard specifies methods for project specification and implementation of BACS and
for integration of other systems into the BACS. This standard defines terms to be used for project
specifications and gives guidelines for integration of other systems.
a) Project specification and implementation:
This clause of the standard describes the procedures (codes of practice) required for the following:
— project specification;
These procedures also contain an example for a plant/system/customer premises wide unique
structured addressing system for data point identification;
— engineering;
— installation;
— project handover.
b) System integration:
This clause of the standard describes the special requirements/procedures for the integration and
implementation of intersystem communication with foreign systems and the interconnection of other
units/devices with integrated communications interfaces, e.g. chillers, elevators.
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oSIST prEN ISO 16484-2:2016
DRAFT INTERNATIONAL STANDARD ISO/DIS 16484-2:2016(E)
Building automation and control systems (BACS) —
Part 2:
Hardware
1 Scope
This part of the standard specifies the requirements for the hardware to perform the tasks within a
BACS. It provides the terms, definitions, and abbreviations for the understanding of Part 2 and Part 3.
Part 2 relates only to physical items/devices, i.e.:
— operator stations and other human system interface devices;
— devices for management functions;
— control devices, automation stations and application specific controllers;
— field devices and their interfaces;
— cabling and interconnection of devices;
— engineering and commissioning tools.
This part of this standard shows a generic system model to which all-different types of BACS and their
interconnections (BACS network) can fit. A graphical concept of the BACS network in terms of LAN and
inter-network topology will be provided in Part 5 of this standard.
National annexes:
National annexes may specify the local requirements of physical and electrical characteristics, the
verifications for BACS devices and equipment, and the code of practice for the physical installation of
systems. The annexes shall refer to the regional implementations of the relevant IEC standards.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
IEC 60050-351; International Electrotechnical Vocabulary — Part 351: Automatic control
IEC 60529:1989+ AMD1:1999 Degrees of protection provided by enclosures (IP code)
IEC 60664-1:2007Insulation coordination for equipment within low-voltage systems — Part 1: ¶Principles,
requirements and tests
IEC 60715:1981 +AMD1:1995 Dimensions of low-voltage switchgear and controlgear — Standardized
mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
IEC 61131-3:2003Programmable controllers — Part 3: Programming languages
ISO/IEC 7498-1:1994, Information technology — Open Systems Interconnection — Basic Reference Model:
The Basic Model — Part 1
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ISO/IEC 10746-2:2009, Information technology — Open distributed processing — Reference model:
Foundations — Part 2
ISO/IEC Guide 2:2004, Standardization and related activities — General vocabulary
3 Terms and definitions
This clause presents the vocabulary used in this Part 2 and Part 3 of the standard for BACS.
The terms and definitions listed in this standard but defined by other relevant ISO/IEC International
Standards are repeated below for convenience in most cases.
NOTE Other language versions may contain an alphabetical index in National Annexes.
For the purposes of this standard, the following terms and definitions apply.
3.1
3-point control
control function with a three-position output that can assume only three discrete values: zero and two
values with opposite signs. These output values are used to position with two binary signals providing
three control states
EXAMPLE
a) opening, stopped, closing;
b) more, neutral, less; c) heating, neutral, cooling.
3.2
access control
method for determining or restricting access to system and network resources
[SOURCE: ISO 16484-5, 3.2.1]
Note 1 to entry: Also refer to security and operator authentication.
Note 2 to entry: Data privacy protection is the framework conditions protecting personal data from being used
by any one other than the owner (regulated by national law).
Note 3 to entry: Data security is the framework conditions to protect data from direct or indirect manipulation
or unauthorized use. Data manipulation includes loss of data, destruction or falsification of data.
Note 4 to entry: Data security means are the measures and equipment to secure and maintain the safety of data.
Note 5 to entry: cf. access control system (3.3)
3.3
access control system
dedicated special system for security
Note 1 to entry: cf. access control (3.2)
3.4
access control system
automatic checking of access rights under organizational measures and barrier/door control
for buildings/rooms, including registration of events
Note 1 to entry: An access control system belongs to security systems.
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3.5
Acknowledge
recognition and/or registration of an event (e.g. alarm) by an operator
Note 1 to entry: An acknowledgement
...