Alarm systems - Intrusion and hold-up systems - Part 2-9: Intrusion detectors - Active infrared beam detectors

This Technical Specification is applicable to Active Infrared Beam Detectors (AIBDs) installed inside buildings and used as part of intrusion alarm systems.
It specifies four security Grades 1 to 4 (in accordance with EN 50131 1) and uses environmental Classes I to IV (in accordance with EN 50130 5).
This standard covers only AIBDs using interruption based technology. Other technologies i.e. Doppler based technology are not covered by this document.
Functions additional to the mandatory functions specified in this document can be included in the AIBD, providing they do not adversely influence the correct operation of the mandatory functions.
This document does not apply to system interconnections.

Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil 2-9: Einbruchmelder - Aktive Infrarot-Lichtschranken

Diese Technische Spezifikation gilt für in Gebäuden eingebaute aktive Infrarot-Lichtschranken (AIBD), die als Teil von Einbruchmeldeanlagen verwendet werden.
Sie legt vier Sicherheitsgrade 1 bis 4 (in Übereinstimmung mit EN 50131–1) fest, und verwendet die Umwelt-klassen I bis IV (nach EN 50130 5).
Diese Norm behandelt ausschließlich AIBD, bei denen die unterbrechungsbasierte Technik angewendet wird. Weitere Technologien, d. h. dopplerbasierte Techniken, werden von diesem Dokument nicht abgedeckt.
In den AIBD können neben den in diesem Dokument festgelegten vorgeschriebenen Funktionen auch noch zusätzliche Funktionen unter der Voraussetzung vorhanden sein, dass sie den ordnungsgemäßen Betrieb der vorgeschriebenen Funktionen nicht nachteilig beeinflussen.
Dieses Dokument gilt nicht für Anlagenverbindungen.

Systèmes d'alarme - Systèmes d'alarme contre l’intrusion et les hold-up - Partie 2-9: Détecteurs à faisceaux infrarouges actifs

Alarmni sistemi - Sistemi za javljanje vloma in ropa - 2-9. del: Javljalniki vloma - Aktivni detektorji z infrardečim žarkom

To tehnično poročilo se uporablja za aktivne detektorje z infrardečim žarkom, ki so nameščeni v stavbah in se uporabljajo kot del alarmih sistemov za javljanje vloma.
Določa štiri varnostne razrede od 1 do 4 (v skladu s standardom EN 50131 1) in uporablja okoljske razrede od I do IV (v skladu s standardom EN 50130 5).
Ta standard zajema samo aktivne detektorje z infrardečim žarkom, ki uporabljajo tehnologijo na podlagi prekinitev. Ta dokument ne zajema drugih tehnologij, tj. tehnologije na podlagi Dopplerjeve metode.
Poleg obveznih funkcij, ki so opredeljene v tem dokumentu, ima lahko aktivni detektor z infrardečim žarkom tudi dodatne funkcije, pri čemer te ne smejo negativno vplivati na pravilno delovanje obveznih funkcij.
Ta dokument se ne uporablja za medsebojne povezave sistemov.

General Information

Status
Published
Publication Date
20-Sep-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
20-Sep-2016
Due Date
25-Nov-2016
Completion Date
21-Sep-2016

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SLOVENSKI STANDARD
SIST-TS CLC/TS 50131-2-9:2016
01-oktober-2016

$ODUPQLVLVWHPL6LVWHPL]DMDYOMDQMHYORPDLQURSDGHO-DYOMDOQLNLYORPD

$NWLYQLGHWHNWRUML]LQIUDUGHþLPåDUNRP

Alarm systems - Intrusion and hold-up systems - Part 2-9: Intrusion detectors - Active

infrared beam detectors

Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil 2-9: Einbruchmelder - Aktive

Infrarot-Lichtschranken

Systèmes d'alarme - Systèmes d'alarme contre l’intrusion et les hold-up - Partie 2-9:

Détecteurs à faisceaux infrarouges actifs
Ta slovenski standard je istoveten z: CLC/TS 50131-2-9:2016
ICS:
13.310 Varstvo pred kriminalom Protection against crime
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
SIST-TS CLC/TS 50131-2-9:2016 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CLC/TS 50131-2-9:2016
TECHNICAL SPECIFICATION CLC/TS 50131-2-9
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
September 2016
ICS 13.320
English Version
Alarm systems - Intrusion and hold-up systems - Part 2-9:
Intrusion detectors - Active infrared beam detectors

Systèmes d'alarme - Systèmes d'alarme contre l'intrusion et Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil

les hold-up - Partie 2-9: Détecteurs à faisceaux infrarouges 2-9: Einbruchmelder - Aktive Infrarot-Lichtschranken

actifs
This Technical Specification was approved by CENELEC on 2016-08-01.

CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly

at national level in an appropriate form. It is permissible to keep conflicting national standards in force.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. CLC/TS 50131-2-9:2016 E
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Contents Page

European foreword ................................................................................................................. 3

Introduction............................................................................................................................. 5

1 Scope ............................................................................................................................... 6

2 Normative references ....................................................................................................... 6

3 Terms, definitions and abbreviated terms ......................................................................... 6

3.1 Terms and definitions .............................................................................................. 6

3.2 Abbreviations .......................................................................................................... 8

4 Functional requirements ................................................................................................... 8

4.1 General ................................................................................................................... 8

4.2 Event processing ..................................................................................................... 8

4.3 Detection ................................................................................................................. 9

4.4 Operational requirements ...................................................................................... 10

4.5 Immunity to incorrect operation ............................................................................. 11

4.6 Tamper security .................................................................................................... 11

4.7 Electrical requirements .......................................................................................... 12

4.8 Environmental classification and conditions ........................................................... 13

5 Marking, identification and documentation ...................................................................... 13

5.1 Marking and/or identification.................................................................................. 13

5.2 Documentation ...................................................................................................... 14

6 Testing ........................................................................................................................... 14

6.1 General ................................................................................................................. 14

6.2 General test conditions .......................................................................................... 14

6.3 Basic detection test ............................................................................................... 15

6.4 Performance testing .............................................................................................. 15

6.5 Switch-on delay, time interval between signals and indication of detection ............ 17

6.6 Self-tests ............................................................................................................... 17

6.7 Immunity to incorrect operation ............................................................................. 17

6.8 Tamper security .................................................................................................... 18

6.9 Electrical tests ....................................................................................................... 20

6.10 Environmental classification and conditions ........................................................... 22

6.11 Marking, identification and documentation ............................................................. 23

Annex A (informative) Definition of the different types of AIBDs ........................................... 24

Annex B (informative) Mechanical pendulum for interruption time testing ............................. 25

Annex C (informative) Immunity to airflow ............................................................................ 28

Annex D (informative) Immunity to visible and near infrared radiation .................................. 29

Annex E (normative) Dimensions and requirements of the standardized interference

test magnet .................................................................................................................... 30

Annex F (normative) General testing matrix ......................................................................... 33

Annex G (informative) Example list of small tools ................................................................. 35

Bibliography .......................................................................................................................... 36

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European foreword

This document (CLC/TS 50131-2-9:2016) has been prepared by CLC/TC 79 “Alarm systems”.

The following dates are fixed:
• latest date by which the existence of (doa) 2016–02–01
this document has to be announced
at national level

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

The EN 50131 series consists of the following parts:

— EN 50131-1, Alarm systems — Intrusion and hold-up systems — Part 1: System requirements;

— EN 50131-2-2, Alarm systems — Intrusion and hold-up systems — Part 2-2: Intrusion detectors

— Passive infrared detectors;

— EN 50131-2-3, Alarm systems — Intrusion and hold-up systems — Part 2-3: Intrusion detectors

— Requirements for microwave detectors;

— EN 50131-2-4, Alarm systems — Intrusion and hold-up systems — Part 2-4: Requirements for

combined passive infrared and microwave detectors;

— EN 50131-2-5, Alarm systems — Intrusion and hold-up systems — Part 2-5: Requirements for

combined passive infrared and ultrasonic detectors;

— EN 50131-2-6, Alarm systems — Intrusion and hold-up systems — Part 2-6:Opening contacts

(magnetic);

— EN 50131-2-7-1, Alarm systems — Intrusion and hold-up systems — Part 2-7-1: Intrusion

detectors — Glass break detectors (acoustic);

— EN 50131-2-7-2, Alarm systems — Intrusion and hold-up systems — Part 2-7-2: Intrusion

detectors — Glass break detectors (passive);

— EN 50131-2-7-3, Alarm systems — Intrusion and hold-up systems — Part 2-7-3: Intrusion

detectors — Glass break detectors (active);

— EN 50131-2-8, Alarm systems — Intrusion and hold-up systems — Part 2-8: Intrusion detectors

— Shock detectors ;

— CLC/TS 50131-2-9, Alarm systems — Intrusion and hold-up systems — Part 2-9: Intrusion

detectors — Active infrared beam detectors (the present document);

— EN 50131-3, Alarm systems — Intrusion and hold-up systems — Part 3: Control and indicating

equipment;

— EN 50131-4, Alarm systems — Intrusion and hold-up systems — Part 4: Warning devices;

—————————
In preparation.
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— EN 50131-5-3, Alarm systems — Intrusion systems — Part 5-3: Requirements for
interconnections equipment using radio frequency techniques;

— EN 50131-6, Alarm systems — Intrusion and hold-up systems — Part 6: Power supplies;

— CLC/TS 50131-7, Alarm systems — Intrusion and hold-up systems — Part 7: Application

guidelines;

— EN 50131-8, Alarm systems — Intrusion and hold-up systems — Part 8: Security fog

device/systems;

— CLC/TS 50131-9, Alarm systems — Intrusion and hold-up systems — Part 9: Alarm verification —

Methods and principles;

— EN 50131-10, Alarm systems — Intrusion and hold-up systems — Part 10: Application specific

requirements for Supervised Premises Transceiver (SPT);

— CLC/TS 50131-11, Alarm systems — Intrusion and hold-up systems — Part 11: Hold-up devices.

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Introduction

The purpose of an Active Infrared Beam Detector (AIBD) is to detect an intruder interrupting one or

more infrared beam(s) and to provide the necessary range of signals or messages to be used by the

rest of the intrusion alarm system. The AIBD consists of a transmitter, sending out infrared radiation,

and a receiver, which detects the interruption of the received radiation. The infrared radiation sent out

by the transmitter can reach the receiver over a reflector.

The number and scope of these signals or messages will be more comprehensive for systems that are

specified at higher Grades.

This Technical Specification is only concerned with the requirements and tests for the AIBDs. Other

types of detectors are covered by other documents identified as in the EN 50131-2 series.

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1 Scope

This Technical Specification is applicable to Active Infrared Beam Detectors (AIBDs) installed inside

buildings and used as part of intrusion alarm systems.

It specifies four security Grades 1 to 4 (in accordance with EN 50131-1) and uses environmental

Classes I to IV (in accordance with EN 50130-5).

This standard covers only AIBDs using interruption based technology. Other technologies i.e. Doppler

based technology are not covered by this document.

Functions additional to the mandatory functions specified in this document can be included in the

AIBD, providing they do not adversely influence the correct operation of the mandatory functions.

This document does not apply to system interconnections.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

EN 50130-4, Alarm systems - Part 4: Electromagnetic compatibility - Product family standard:

Immunity requirements for components of fire, intruder, hold up, CCTV, access control and social

alarm systems
EN 50130-5, Alarm systems - Part 5: Environmental test methods

EN 50131-1, Alarm systems - Intrusion and hold-up systems - Part 1: System requirements

EN 50131-6, Alarm systems - Intrusion and hold-up systems - Part 6: Power supplies

EN 60404-5, Magnetic materials – Part 5: Permanent magnet (magnetically hard) materials – Methods

of measurement of magnetic properties (IEC 60404-5)

EN 60404-8-1, Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard

materials (IEC 60404-8-1)

EN 60404-14, Magnetic materials - Part 14: Methods of measurement of the magnetic dipole moment

of a ferromagnetic material specimen by the withdrawal or rotation method (IEC 60404-14)

3 Terms, definitions and abbreviated terms

For the purposes of this document, the terms, definitions and abbreviations given in EN 50131-1and

the following apply.
3.1 Terms and definitions
3.1.1
two way single beam

detector consisting of one transmitter and one receiver in the same housing at one side of the

supervised area and a reflector at the other side of the supervised area

Note 1 to entry: An illustration of a two way single beam is given in Figure A.1.

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3.1.2
two way multiple beam

detector consisting of more than one transmitter and more than one receiver in the same housing at

one side of the supervised area and a reflector at the other side of the supervised area, including

multiple stacked sets

Note1 to entry: An illustration of a two way multiple beam is given in Figure A.2

3.1.3
one way single beam

detector consisting of one transmitter at one side of the supervised area and one receiver at the other

side of the supervised area

Note1 to entry: An illustration of a one way single beam is given in Figure A.3.

3.1.4
one way multiple beam

detector consisting of more than one transmitter at one side of the supervised area and more than one

receiver at the other side of the supervised area, including multiple stacked sets

Note1 to entry: An illustration of a one way multiple beam is given in Figure A.4.

3.1.5
incorrect operation
physical condition that causes an inappropriate signal or message from an AIBD
3.1.6
standard detection test target

target with defined size used to interrupt the infrared beam(s) for testing purposes

3.1.7
detection test

operational test during which an AIBD is interrupted by the standard detection test targets in a

controlled environment
3.1.8
detection test upright

test with a test target simulating a person interrupting the beam(s) in a vertical position

3.1.9
detection test diving into

test with a test target simulating a person interrupting the beam(s) in a horizontal position

3.1.10
detection test reach into
test with a test target simulating a person’s hand interrupting the beam(s)
3.1.11
adding of AIBD-components

attempt to avoid detection of an AIBD by adding other infrared components using the same IR

wavelength (e.g. other AIBD components)
Note1 to entry: Additional detector components could include transmitters.
3.1.12
substitution of AIBD-components
attempt to avoid detection of an AIBD by replacement of AIBD-components
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3.1.13
response probability

value in percentage of number of interruptions (stimulus) which have been detected compared to the

total number of interruptions (stimulus) presented to an AIBD

Note1 to entry: An AIBD tested 10 times with nine interruptions detected would result in a response

probability of 90 %.
3.1.14
backlink

wired or wireless connection for communication between transmitter and receiver components of a

AIBD, which can be used for administration and integrity monitoring
3.2 Abbreviations
AIBD Active Infrared Beam Detector
BDTT Basic Detection Test Target
EMC Electro Magnetic Compatibility
SDTT Standard Detection Test Target
4 Functional requirements
4.1 General
An AIBD shall fulfil all the requirements of the specified Grade.
4.2 Event processing
AIBDs shall process the events in accordance with Table 1.
Table 1 — Events to be processed by Grade
Grade
Event
1 2 3 4
Intrusion detection M M M M
Tamper detection Op M M M
Adding of AIBD-components Op M M M
Substitution of AIBD-components Op Op Op M
Low supply voltage Op Op M M
Total loss of power supply Op M M M
Local self-test Op Op M M
Remote self-test Op Op Op M
M = mandatory
Op = optional
Mandatory only for two way single beam and two way multiple beam
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AIBDs shall generate signals or messages in accordance with Table 2.
Table 2 — Generation of signals or messages
Signals or Messages
Event
Intrusion Tamper Fault
No event NP NP NP
Intrusion M NP NP
Tamper NP M NP
Adding of AIBD-components M Op M
Substitution of AIBD-components M Op M
Low supply voltage Op Op M
Total loss of power supply M Op Op
Local self-test pass NP NP NP
Local self-test fail NP NP M
Remote self-test pass M NP NP
Remote self-test fail NP NP M
M = mandatory
NP = not permitted
Op = optional
When an optional event from Table 1 is processed by the AIDB, it shall meet the
requirements of this table.
An independent signal or message may be provided instead.
NOTE This permits two methods of signalling an “Adding of AIBD-components” or

“Substitution of AIBD-components” event: either by the intrusion signal and fault signal,

or by a dedicated “Adding of AIBD-components” or “Substitution of AIBD-components”

signal or message. Use of the intrusion signal and fault signal is preferable, as this

requires no additional connections between CIE and AIBD.

Alternatively Total loss of power supply may be determined by loss of communication

with the AIBD.
4.3 Detection
4.3.1 Detection performance

The AIBD shall detect the interruption of the beam(s) within the time limits as described in Table 3.

The AIBD shall not generate an alarm signal or message if the interruption of the beam is equal to or

less than the minimum detected interruption time given in Table 3, in accordance with the probability

shown. The AIBD shall generate an alarm signal or message, in accordance with the probability

shown, if the interruption of the beam is for more than the maximum undetected interruption time given

in Table 3. The generation of an alarm signal or message is optional for interruptions of duration

between the minimum and maximum interruption times.
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Table 3 — Interruption time limits
Test Grade 1 Grade 2 Grade 3 Grade 4
Minimum detected interruption time 10 ms 10 ms 10 ms 10 ms
Maximum undetected interruption time 75 ms 60 ms 50 ms 25 ms
Response probability 80 % 90 % 100 % 100 %

The manufacturer’s documentation shall include a warning, if an adjustment of interruption times

outside the limits, described in this document, is possible (see 5.2: d) and e)).

4.3.2 Indication of detection

An indicator, e.g. LED, shall be provided on the AIBD to indicate when an intrusion signal or message

has been generated. At Grades 1 and 2 this indicator shall be capable of being enabled and disabled

either remotely at Access Level 2 and/or locally after removal of cover which provides tamper

detection as described in Tables 1 and 4. At Grades 3 and 4 where this indicator is available at

Access Level 1, then this indicator shall be capable of being enabled and disabled remotely at Access

Level 2.
4.3.3 Planar detection characteristic
This sub clause applies to one way multiple beam and two way multiple beam only.

With multiple beam devices it is possible to supervise planar areas. Depending on the type of

detection a signal shall be generated, if the area under surveillance by the AIBD has been entered as

follows:

a) A Grade 3 and 4 AIBD shall support in addition to the upright detection characteristic the diving

into detection:
Entering of the supervised area with a diameter of 300 mm;

b) A Grade 4 AIBD shall support in addition to the upright detection and the diving into detection

characteristic the reach into detection:
Entering of the supervised area with a diameter of 60 mm.
4.3.4 Substitution of AIBD-components
A Grade 4 AIBD shall detect attempts to substitute AIBD-components.
4.3.5 Detection of adding AIBD-components

Depending on the Grade (see Table 1) AIBDs shall be immune or generate an alarm signal or

message, if additional components are introduced for the purpose of altering the detection area

according to Table 2.
4.4 Operational requirements
4.4.1 Time interval between intrusion signals or messages

AIBDs using wired interconnections shall be able to provide an intrusion signal or message not more

than 15 s after the end of the preceding intrusion signal or message.
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AIBDs using wire free interconnections shall be able to provide an intrusion signal or message after

the end of the preceding intrusion signal or message within the following times:
− Grade 1 300 s;
− Grade 2 180 s;
− Grade 3 30 s;
− Grade 4 15 s.
4.4.2 Switch on delay

The AIBD shall meet all functional requirements within 180 s of the power supply reaching its nominal

voltage as specified by the manufacturer.
4.4.3 Self-tests
4.4.3.1 General

Self-tests shall detect failures of a critical function (e.g. unable to detect interruptions) and signal these

situations according to Table 2.
4.4.3.2 Local self-test

The AIBD shall automatically test itself at least once every 24 h according to the requirements of

Tables 1 and 2. If normal operation of the AIBD is inhibited during a local self-test, the AIBD inhibition

time shall be limited to a maximum of 30 s in any period of 2 h.
4.4.3.3 Remote self-test

The AIBD shall process remote self-tests and generate signals or messages in accordance with

Tables 1 and 2 within 10 s of the remote self-test signal being received, and shall return to normal

operation within 30 s of the remote test signal being received.
4.5 Immunity to incorrect operation
4.5.1 General

The AIBD shall be considered to have sufficient immunity to incorrect operation if the following

requirements have been met. No intrusion signal or message shall be generated during the tests.

4.5.2 Immunity to the attenuation of the received signal

The AIBD shall not generate a signal or message when the signal emitted by the transmitter is

attenuated up to 75 %.
4.5.3 Immunity to air flow

The AIBD shall not generate a signal or message when air is blown over the face of the AIBD, to

ensure that no mechanical components (e.g. adjustments of the beam directions) are influenced

negatively.
4.5.4 Immunity to ambient visible and near infrared radiation

The AIBD shall not generate a signal or message when the light of a car headlamp is swept across the

front window or lens of an AIDB through two panes of glass.
4.6 Tamper security
4.6.1 General
Tamper security requirements for each Grade of AIBD are shown in Table 4.
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4.6.2 Resistance to and detection of unauthorized access to components and means of

adjustment

All components, means of adjustment, which, when interfered with, could adversely affect the

operation of the AIBD, shall be located within the AIBD housing. Such access shall require the use of

an appropriate tool and depending on the Grade as specified in Table 4 shall generate a tamper signal

or message before access can be gained.

It shall not be possible to gain such access without generating a tamper signal or message or causing

visible damage.
4.6.3 Detection of removal from the mounting surface

A tamper signal or message shall be generated if the AIBD is removed from its mounting surface, in

accordance with Table 4.
4.6.4 Immunity to magnetic field interference

It shall not be possible to inhibit any signals or messages with a magnet of Grade dependence

according to Table 4. The magnet types shall be as described in Annex E.
4.6.5 Detection of adding AIBD-components

Depending on the Grade (see Table 4) AIBDs shall be immune or generate a signal or message, if

additional components are introduced for the purpose of altering the detection area according to

Table 2.
Table 4 — Tamper security requirements
Requirement Grade 1 Grade 2 Grade 3 Grade 4
Resistance to access to the inside of the
Required Required Required Required
AIBD
Detection of access to the inside of the
Not required Required Required Required
AIBD
Removal from the mounting surface for
Not required Not required Required Required
wired AIBDs
Removal from the mounting surface for
Not required Required Required Required
wirefree AIBDs
Resistance to, or detection of, re-
orientation for AIBDs mounted on
Not required Required Required Required
accessible brackets outside the tamper
supervised housing only
Applied torque (Nm) N/A 2 5 10
Magnetic field immunity Not required Required Required Required
Magnet type as defined in Annex E N/A Type 1 Type 2 Type 2
4.7 Electrical requirements
4.7.1 General

The Grade dependencies for electrical requirements are given in Table 5. These requirements do not

apply to AIBDs with Type C power supplies. For these AIBDs refer to EN 50131-6.
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Table 5 — Electrical requirements
Test Grade 1 Grade 2 Grade 3 Grade 4
AIBD current consumption Required Required Required Required
Input voltage range Required Required Required Required
Slow input voltage rise Not required Required Required Required
Input voltage ripple Not required Required Required Required
Input voltage step change Not required Required Required Required
4.7.2 AIBD current consumption

The AIBD’s quiescent and maximum current consumption shall not exceed the figures claimed by the

manufacturer at the nominal input voltage.
4.7.3 Slow input voltage change and voltage range limits

The AIBD shall meet all functional requirements when the input voltage lies between ± 25 % of the

nominal value, or between the manufacturer’s stated values if greater. When the supply voltage is

raised slowly, the AIBD shall function normally at the specified range limits.
4.7.4 Input voltage ripple

The AIBD shall meet all functional requirements during the sinusoidal modulation of the input voltage

by a peak to peak voltage of 10 % of the nominal value, at a frequency of 100 Hz.

4.7.5 Input voltage step change

No signals or messages shall be caused by a step in the input voltage between the nominal and

maximum values and between the nominal and minimum values.
4.8 Environmental classification and conditions
4.8.1 Environmental classification

The environmental classification is described in EN 50131-1 and shall be specified by the

manufacturer.
4.8.2 Immunity to environmental conditions

The AIBD shall meet the requirements of the environmental tests described in Tables 6 and 7. These

tests shall be performed in accordance with EN 50130-5 and EN 50130-4.

Unless specified otherwise for operational tests, the AIBD shall not generate unintentional intrusion,

tamper, fault or other signals or messages when subjected to the specified range of environmental

conditions.
Impact tests shall not be carried out on delicate AIBD components such as LEDs.

For endurance tests, the AIBD shall continue to meet the requirements of this specification after being

subjected to the specified range of environmental conditions.
5 Marking, identification and documentation
5.1 Marking and/or identification

Marking and/or identification shall be applied to the product in accordance with the requirements of

EN 50131-1.
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SIST-TS CLC/TS 50131-2-9:2016
CLC/TS 50131-2-9:2016
5.2 Documentation

The product shall be accompanied with clear and concise documentation conforming to the main

systems document EN 50131-1. The documentation shall additionally state:

a) a list of all options, functions, inputs, signals or messages, indications and their relevant

characteristics;

b) the maximum operating distance, opening angles of transmitter, receiver and reflector, if

applicable;
c) the effect of adjustable controls
...

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