1、BSI Standards PublicationAlarm systems Intrusion and hold-up systemsPart 2-7-2: Intrusion detectors Glass break detectors (passive)BS EN 50131-2-7-2:2012 “Incorporating corrigendum July 2014BS EN 50131-2-7-2:2012+A1:2013National forewordThis British Standard is the UK implementation of EN 50131-2-7-
2、2:2012+A1:2013. It supersedes BS EN 50131-2-7:2012 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CENELEC text carry the number of the CENELEC amendment. For example, text altered by CENELEC amendment A1
3、 is indicated by !“.The UK participation in its preparation was entrusted by Technical Committee GW/1, Electronic security systems, to Subcommittee GW/1/1, Alarm components.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not
4、purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 83562 9ICS 13.320Compliance with a British Standard cannot confer immunity fromlegal obligat
5、ions.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2013.Amendments/corrigenda issued since publicationDate Text affected31 July 2014 31 July 2014 BRITISH STANDARDImplementation of CEN Interpretation sheet February 2014 in a Natio
6、nal Annex NA Implementation of CENELEC amendment A1:2013EUROPEAN STANDARD EN 50131-2-7-2$NORME EUROPENNE EUROPISCHE NORM eFember 201 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Manage
7、ment Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50131-2-7-2:2012 E ICS 13.320 English version Alarm systems - Intrusion and hold-up systems - Part 2-7-2: Intrusion detectors -
8、Glass break detectors (passive) Systmes dalarme - Systmes dalarme contre lintrusion et les hold-up - Partie 2-7-2: Dtecteurs dintrusion - Dtecteurs bris de glace (passifs) Alarmanlagen - Einbruch- und berfallmeldeanlagen - Teil 2-7-2: Einbruchmelder - Glasbruchmelder (Passiv) This European Standard
9、was approved by CENELEC on 2012-08-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning s
10、uch national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member in
11、to its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of
12、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. Text of IS1 to EN 50131-2-7-2:2012 Clause: Annex C and Figure
13、 C.1 Question: Would it be allowed for test purposes (for test houses and manufacturers) to use the NeoDym magnet listed below instead of the AlNiCo version described in Annex C and Figure C.1 for reproducible tests ? Interpretation: Yes, because this will allow stable and reproducible test results,
14、 which is not guaranteed while using the AlNiCo magnet due to the nature of the magnet material. Furthermore, the test magnet described below allows a high-level degree of backward compatibility for already tested products, while it gives the stability required. Therefore, when the NeoDym magnet is
15、used for test purposes (for test houses and manufacturers), the text below may be used in place of Annex C. Validity: This interpretation remains valid until an amendment or updated standard dealing with this issue is published by CENELEC. 1DWLRQDOAnnex 1$ (,nIormative) BS EN 50131-2-7-2:2012+A1:201
16、3 EN 50131-2-7-2:2012+A1:2013 (E)-2-Annex C (normative) Dimensions however if signal processing (except if it is the CIE itself) is required to process the output of the sensor, such an event shall be generated alternatively no generation of a message or signal is required when the condition is dete
17、cted by the CIE due to system design cMandatory for all grade 4 devices. For grade 3 devices, only required in case of MCU based solutions based on Software / Firmware sensor input analysis and signal processing. !“BS EN 50131-2-7-2:2012+A1:2013 EN 50131-2-7-2:2012+A1:2013 (E)-8-Table 2 Generation o
18、f Indication Signals or Messages Event Signals or Messages Intrusion Tamper Fault Intrusion M NP NPNo Stimulus NP NP NP MaskingaM Op M Tamper NP M NPLow Supply Voltage Op Op M Total loss of power supplybM Op Op Local Self Test Pass NP NP NP Local Self Test Fail NP NP M Remote Self Test Pass M NP NP
19、Remote Self Test Fail NP NP M M = mandatory NP = Not permitted Op = Optional aAn independent masking signal or message may be provided instead bAlternatively Total loss of Power Supply shall be determined by loss of communication with the detector. This permits two methods of signalling a masking ev
20、ent: either by the intrusion signal and fault signal, or by a dedicated output. Use of the intrusion signal and fault signal is preferable, as this requires fewer connections between CIE and detector. If multiple events overlap there will be some signal combinations that may be ambiguous. To overcom
21、e this ambiguity it is suggested that detectors should not signal intrusion and fault at the same time except to indicate masking. This implies that the detector should prioritise signals, e.g. 1. Intrusion, 2 Fault, 3 Masking. When, in Table 1, an event may optionally generate signals or messages,
22、they shall be as shown in this table. BS EN 50131-2-7-2:2012+A1:2013 EN 50131-2-7-2:2012+A1:2013 (E)-9-4.2 Operational requirements 4.2.1 Time interval between intrusion signals or messages Wired detectors shall be able to provide an intrusion signal or message not more than 15 s after the end of th
23、e preceding intrusion signal or message. Wire free detectors 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 4.2.2 Switch on delay The detector shall m
24、eet all functional requirements within 180 s of the power supply reaching its nominal voltage as specified by the manufacturer. 4.2.3 Self tests 4.2.3.1 Local self test The detector shall automatically test itself at least once every 24 h according to the requirements of Tables 1 and 2. If normal op
25、eration of the detector is inhibited during a local self-test, the detector inhibition time shall be limited to a maximum of 30 s in any period of 2 h. 4.2.3.2 Remote self test A detector shall process remote self tests and generate signals or messages in accordance with Tables 1 and 2 within 10 s o
26、f the remote self test signal being received, and shall return to normal operation within 30 s of the remote test signal being received. 4.3 Detection 4.3.1 Detection performance The detector shall generate an intrusion signal or message when a simulated or real glass breakage according to the corre
27、sponding requirements of Table 3 is performed. Table 3 Performance test requirements Requirement Grade 1 Grade 2 Grade 3 Grade 4 Verification of detection performance M M M M Performance test: hole drilling with diamond hole saw Op Op Op M Performance test: Glass cutting Op Op Op M M = Mandatory Op
28、= Optional 4.3.1.1 Verification of detection performance This test will verify the detection performance for sensitivity and a break through the glass according to the supported conditions claimed by the manufacturer. It will verify the maximum covering range (sensitivity performance test) and the b
29、reak through detection (breakage performance test), according BS EN 50131-2-7-2:2012+A1:2013 EN 50131-2-7-2:2012+A1:2013 (E)-10-to Annex A for different glass types and sizes claimed to be supported (types and dimensions) by the manufacturer. A number of standard glass types and sizes need to be pas
30、sed by this test according to the corresponding test section. 4.3.1.2 Performance test for hole drilling with a diamond hole saw This test will verify the detection performance by drilling a hole using a diamond hole saw on different glass types and dimensions according to the supported conditions c
31、laimed by the manufacturer and Annex A. It will verify if the detector is able to identify and signal the change of the integrity of the monitored side of the glass pane. 4.3.1.3 Performance test for Glass cutting This test will verify the detection performance by cutting the glass using a standard
32、glass cutter on different glass types and dimensions according to the supported conditions claimed by the manufacturer and Annex A. It will verify if the detector is able to identify and signal the change of the integrity of the monitored side of the glass pane. 4.3.2 Indication of detection Powered
33、 detectors at Grades 3 and 4 that include processing capabilities shall provide an indicator at the detector to indicate when an intrusion signal or message has been generated. Self-powered detectors (e.g. detectors which rely on the energy resulting from the glass breakage) do not require such an i
34、ndicator. At Grades 3 and 4 this indicator shall be capable of being enabled and disabled remotely at Access Level 2. 4.4 Immunity to false alarm sources 4.4.1 General The detector shall have sufficient immunity to false alarm sources if the following requirements have been met. No intrusion signal
35、or message shall be generated as a result of the false alarm sources according to each individual test clause. The tests for this clause will be performed on the standard immunity test glass pane as defined in 3.1.7, wherever a glass pane is required. 4.4.2 Immunity to Small objects hitting the glas
36、s The detector shall not generate an intrusion signal or message when small objects such as hail, sand, gravel etc. hit the outside of the monitored glass. The tests are described in 6.7.2. 4.4.3 Immunity to Soft objects hitting the glass The detector shall not generate an intrusion signal or messag
37、e when soft objects (e.g. a human fist) hit the outside of the monitored glass. The tests are described in 6.7.3. 4.4.4 Immunity to Hard objects hitting the glass The detector shall not generate an intrusion signal or message when hard objects (e.g. handlebars of a bicycle) hit the outside of the mo
38、nitored glass. The tests are described in 6.7.4. 4.4.5 Immunity to Static pressure The detector shall not generate an intrusion signal or message when permanent pressure changes applied to the monitored glass. The tests are described in 6.7.5. BS EN 50131-2-7-2:2012+A1:2013 EN 50131-2-7-2:2012+A1:20
39、13 (E)-11-4.4.6 Immunity to Dynamic pressure The detector shall not generate an intrusion signal or message when dynamic pressure changes (due to wind, etc.) applied to the monitored glass. The tests are described in 6.7.6. 4.4.7 Immunity to wide band noise The detector shall not generate an intrusi
40、on signal or message when a wide band of frequencies at the same time, which are close to the frequency of a glass breakage (e.g. branches of a tree moving against the window) are applied to the detector. The tests are described in 6.7.7. 4.5 Tamper security NOTE Tamper security requirements for eac
41、h Grade of a detector are shown in Table 4. Table 4 - Tamper security requirements Requirement Grade 1 Grade 2 Grade 3 Grade 4 Resistance to access to the inside of the detector M M M M Detection of access to the inside of the detectoraOp M M M Removal from the mounting surfacebOp McM M Detection of
42、 masking Op Op M M Magnetic field Immunity Op M M M Magnet type defined in Annex C Type 1 Type 2 Type 2 M= Mandatory Op = Optional aNot required for wired detectors which are fully potted and where it is not possible to get access to any adjustments or components bAt grade 2 and grade 3 not required
43、 if the detector is mounted properly according to the manufacturers instructions with a two - component / epoxy glue (adhesive b) Any disallowed field adjustable control settings or combinations of these; c) Where alignment adjustments are provided, these shall be labelled as to their function; d) T
44、he manufacturers quoted nominal operating voltage and the maximum and quiescent current consumption at that voltage; e) The detection range (minimum and maximum) and coverage diagram. The installation instructions shall be clear and concise that the maximum range will include the farthest point from
45、 the sensor input to any point of the monitored glass; f) All types, maximum size, minimum and maximum thickness of glass for which the detector is claimed to detect; g) Any restrictions according to the mounting location of the detector, or any other restrictions which apply to the performance of t
46、he detector; h) any specific settings needed to meet the requirements of this document at the claimed grade. 6 Testing 6.1 General The tests are intended to be primarily concerned with verifying the correct operation of the detector to the specification provided by the manufacturer. All the test par
47、ameters specified shall carry a general tolerance of 10 % unless otherwise stated. A list of tests appears as a general test matrix in Annex I. BS EN 50131-2-7-2:2012+A1:2013 EN 50131-2-7-2:2012+A1:2013 (E)-14-6.2 General test conditions 6.2.1 Standard laboratory conditions for testing The general a
48、tmospheric conditions in the measurement and tests laboratory shall be those specified in EN 60068-1:1994, 5.3.1, unless stated otherwise. Temperature 15 C to 35 C Relative humidity 25 % RH to 75 % RH Air pressure 86 kPa to 106 kPa 6.2.2 General detection testing environment and procedures Manufactu
49、rers documented instructions regarding mounting and operation shall be read and applied to all tests. 6.2.2.1 Testing environment The detectors or sensor elements will be mounted according to the manufacturers description on the monitored object (glass window or door glass pane). Some tests will be performed on the monitored object, others will be performed on panes (unframed window), where the detectors are mounted directly on. 6.2.2.2 Test procedures The tests will be performed with the types of glass clai
