SIST-TS CLC/TS 50131-2-10:2014
(Main)Alarm systems - Intrusion and hold-up systems - Part 2-10: Intrusion detectors - Lock state contacts (magnetic)
Alarm systems - Intrusion and hold-up systems - Part 2-10: Intrusion detectors - Lock state contacts (magnetic)
CLC/TS 50131-2-10 provides for security grades 1 to 4, (see EN 50131-1) specific or non-specific wired or wire-free lock state contacts, and includes the requirements for four environmental classes covering applications in internal and outdoor locations as specified in EN 50130-5. The purpose of a lock state contact (magnetic) is to detect the lock/unlock state only or the lock/unlock state combined with the opening status/displacement from the defined closed position of a window or door simultaneously. The lock state contact comprises two separate contact-less units, the active connection between these units is at least one magnetic or electromagnetic based field. Separating the two units disturbs the connection and produces an intruder signal or message. A detector will fulfil all the requirements of the specified grade. Functions additional to the mandatory functions specified in this Technical Specification may be included in the detector, providing they do not influence the correct operation of the mandatory functions. The combination of the two separate units of the lock state contact is referred to in the body of this Technical Specification as the detector. This Technical Specification does not apply to system interconnections.
Alarmanlagen - Einbruch- und Überfallmeldeanlagen -- Teil 2-10: Einbruchmelder - Verschluss- und Öffnungsüberwachungskontakte (magnetisch)
Die vorliegende Technische Spezifikation deckt die Sicherheitsgrade 1 bis 4 (siehe EN 50131 1) von exklusiv oder nicht exklusiv verdrahteten oder drahtlosen Verschluss- und Öffnungsüberwachungskontakten ab, und umfasst die Anforderungen für vier Umweltklassen, welche Anwendungen an Standorten innen oder im Freien, wie in EN 50130 5 festgelegt, abdecken.
Der Zweck von Verschluss- und Öffnungsüberwachungskontakten ist das Melden lediglich des Verschluss/ Öffnungs-Zustands, oder gleichzeitig des Verschluss/Öffnungs-Zustands kombiniert mit Öffnungszustand/ Verschiebung eines/einer Fensters/Tür aus der definierten geschlossenen Stellung. Der Verschluss- und Öffnungsüberwachungskontakt besteht aus zwei separaten berührungslosen Einheiten, wobei die aktive Verbindung dieser beiden Einheiten durch mindestens ein magnetisches oder elektromagnetisches Feld sichergestellt ist. Die Trennung dieser beiden Einheiten stört die Verbindung und erzeugt ein Einbruchsignal oder eine Einbruchmeldung.
Ein Melder wird alle Anforderungen der spezifizierten Grade erfüllen.
Zusätzliche Funktionen zu den zwingend erforderlichen Funktionen, welche in der vorliegenden Technischen Spezifikation festgelegt sind, dürfen in den Melder eingeschlossen sein, wenn sie die ordnungsgemäße Erfüllung der zwingend erforderlichen Funktionen nicht beeinflussen.
Die Kombination der zwei separaten Einheiten des Verschluss- und Öffnungsüberwachungskontakts wird im Hauptteil der vorliegenden Technischen Spezifikation als Melder bezeichnet.
Die vorliegende Technische Spezifikation ist nicht für das Zusammenschalten von Systemen anwendbar.
Systèmes d'alarme - Systèmes d'alarme contre l'intrusion et les hold-up -- Partie 2-10: Détecteurs d'intrusion - Contact d'état de verrouillage (magnétique)
La présente Spécification technique fournit les grades de sécurité 1 à 4 (voir EN 50131-1), décrit les contacts d'état de verrouillage filaires spécifiques, filaires non spécifiques ou non filaires et inclut les exigences applicables aux classes d'environnement couvrant les applications dans des locaux situés à l'intérieur et à l'extérieur (voir EN 50130-5).
Un contact d'état de verrouillage (magnétique) a pour fonction la détection seule de l'état de verrouillage/déverrouillage ou la détection simultanée de l'état de verrouillage/déverrouillage conjointement à l'état d'ouverture/déplacement par rapport à la position fermée définie d'une fenêtre/porte. Le contact d'état de verrouillage se compose de deux unités sans contact distinctes, la connexion active entre ces unités étant au moins un champ magnétique ou électromagnétique. La séparation des deux unités perturbe la connexion et génère un signal/message d'intrusion.
Un détecteur doit satisfaire à l'ensemble des exigences du grade spécifié.
Des fonctions complémentaires aux fonctions obligatoires spécifiées dans la présente Spécification technique peuvent être incluses dans le détecteur, à condition qu'elles n'influencent pas la bonne exploitation des fonctions obligatoires.
La combinaison des deux unités distinctes du contact d'état de verrouillage est désignée par le mot "détecteur" dans le corps de la présente Spécification technique.
La présente Spécification technique ne s'applique pas aux interconnexions du système.
Alarmni sistemi - Sistemi za javljanje vloma in ropa - 2-10. del: Javljalniki vloma - Magnetni kontakti
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TS CLC/TS 50131-2-10:2014
01-marec-2014
Alarmni sistemi - Sistemi za javljanje vloma in ropa - 2-10. del: Javljalniki vloma -
Magnetni kontakti
Alarm systems - Intrusion and hold-up systems - Part 2-10: Intrusion detectors - Lock
state contacts (magnetic)
Alarmanlagen - Einbruch- und Überfallmeldeanlagen -- Teil 2-10: Einbruchmelder -
Verschluss- und Öffnungsüberwachungskontakte (magnetisch)
Systèmes d'alarme - Systèmes d'alarme contre l'intrusion et les hold-up -- Partie 2-10:
Détecteurs d'intrusion - Contact d'état de verrouillage (magnétique)
Ta slovenski standard je istoveten z: CLC/TS 50131-2-10:2014
ICS:
13.310 Varstvo pred kriminalom Protection against crime
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
SIST-TS CLC/TS 50131-2-10:2014 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TS CLC/TS 50131-2-10:2014
TECHNICAL SPECIFICATION
CLC/TS 50131-2-10
SPÉCIFICATION TECHNIQUE
January 2014
TECHNISCHE SPEZIFIKATION
ICS 13.320
English version
Alarm systems -
Intrusion and hold-up systems -
Part 2-10: Intrusion detectors -
Lock state contacts (magnetic)
Systèmes d'alarme - Alarmanlagen -
Systèmes d'alarme contre l'intrusion et les Einbruch- und Überfallmeldeanlagen -
hold-up - Teil 2-10: Einbruchmelder -
Partie 2-10: Détecteurs d'intrusion - Verschluss- und
Contact d'état de verrouillage Öffnungsüberwachungskontakte
(magnétique) (magnetisch)
This Technical Specification was approved by CENELEC on 2013-12-02.
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.
CENELEC
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
© 2014 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. CLC/TS 50131-2-10:2014 E
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Contents Page
Foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviations. 7
3.1 Terms and definitions . 7
3.2 Abbreviations . 8
4 Functional requirements. 9
4.1 Events . 9
4.2 Signals or messages . 9
4.3 Detection . 10
4.4 Operational requirements . 11
4.5 Tamper security . 11
4.6 Electrical requirements . 13
4.7 Environmental classification and conditions . 14
5 Marking, identification and documentation . 15
5.1 Marking and/or identification . 15
5.2 Documentation . 15
6 Testing . 15
6.1 Generalities . 15
6.2 General test conditions. 15
6.3 Basic test of detection capability . 16
6.4 Verification of detection performance . 16
6.5 Switch-on delay, time interval between signals, and indication of detection . 17
6.6 Tamper security . 17
6.7 Electrical tests . 19
6.8 Environmental classification and conditions . 20
6.9 Marking, identification and documentation . 22
Annex A (normative) Dimensions & requirements of standardized interference test magnets . 23
Annex B (normative) General testing matrix. 26
Annex C (informative) List of small tools suitable for testing immunity of casing to unauthorised
access . 27
Annex D (normative) Axes of movement . 28
Annex E (normative) Test surfaces for ferromagnetic material . 29
Annex F (normative) Test faces for interference test units . 30
Bibliography . 32
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Figures
Figure A.1 — Test magnet for surface mount opening magnetic contacts . 24
Figure A.2 — Test magnet for flush mount opening magnetic contacts . 25
Figure D.1 — Flush mount style . 28
Figure D.2 — Surface mount style . 28
Figure F.1 — Surface mount interference test, interference test unit . 30
Figure F.2 — Surface mount interference test, interference test unit / purely magnetic . 30
Figure F.3 — Flush mount interference test, interference test unit (unshaded), corresponding unit
(shaded) . 31
Tables
Table 1 — Events to be processed and main functions to be provided by grade . 9
Table 2 — Generation of signals or messages . 10
Table 3 — Electrical requirements . 13
Table 4 — Environmental tests, operational. 21
Table 5 — Environmental tests, endurance . 21
Table B.1 — General testing matrix . 26
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Foreword
This document (CLC/TS 50131-2-10:2014) has been prepared by CLC/TC 79 "Alarm systems".
EN 50131-2 is currently composed of the following parts:
• 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: 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);
• CLC/TS 50131-2-8, Alarm systems — Intrusion and hold-up systems — Part 2-8: Intrusion detectors —
Shock detectors;
• CLC/FprTS 50131-2-9, Alarm systems — Intrusion and hold-up systems — Part 2-9: Intrusion
detectors — Active infrared beam detectors;
• CLC/TS 50131-2-10, Alarm systems — Intrusion and hold-up systems — Part 2-10: Intrusion
detectors — Lock state contacts (magnetic) [the present document];
• 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).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights.
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Introduction
This Technical Specification applies to lock state contacts (magnetic) used as part of intrusion and hold-up
alarm systems (I&HAS) installed in buildings. It includes four security grades and four environmental classes.
Lock state contacts are installed in windows or doors and windows or doorframes to allow to monitor the
lock/unlock status only or the lock/unlock status combined with the open/close status of a window/door
simultaneously and are as such located in supervised premises.
The scope for lock state contacts (magnetic) and the number and types of generated signals or messages will
be more comprehensive for systems that are specified at the higher grades.
This Technical Specification is only concerned with the requirements and tests for lock state contacts
(magnetic). Other types of detectors are covered by other documents identified in the EN 50131 series and in
the EN 50131-2 series.
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1 Scope
This Technical Specification provides for security grades 1 to 4, (see EN 50131-1) specific or non-specific
wired or wire-free lock state contacts, and includes the requirements for four environmental classes covering
applications in internal and outdoor locations as specified in EN 50130-5.
The purpose of a lock state contact (magnetic) is to detect the lock/unlock state only or the lock/unlock state
combined with the opening status/displacement from the defined closed position of a window or door
simultaneously. The lock state contact comprises two separate contact-less units, the active connection
between these units is at least one magnetic or electromagnetic based field. Separating the two units disturbs
the connection and produces an intruder signal or message.
A detector will fulfil all the requirements of the specified grade.
Functions additional to the mandatory functions specified in this Technical Specification may be included in
the detector, providing they do not influence the correct operation of the mandatory functions.
The combination of the two separate units of the lock state contact is referred to in the body of this Technical
Specification as the detector.
This Technical Specification 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 10130, Cold rolled low carbon steel flat products for cold forming — Technical delivery conditions
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
1)
EN 50131-1:2006, 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 60068-1:1994, Environmental testing — Part 1: General and guidance (IEC 60068-1:1988 + A1:1992 +
corrigendum Oct. 1988)
EN 60068-2-52, Environmental testing — Part 2: Tests — Test Kb: Salt mist, cyclic (sodium chloride solution)
(IEC 60068-2-52)
EN 60404-5, Magnetic materials — Part 5: Permanent magnet (magnetically hard) materials — Methods of
measurement of magnetic properties (IEC 60404-5)
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)
———————
1) This document is currently impacted by EN 50131-1:2006/A1:2009.
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EN 61000-6-3, Electromagnetic compatibility (EMC) — Part 6-3: Generic standards — Emission standard for
residential, commercial and light-industrial environments (IEC 61000-6-3)
IEC 60404-8-1, Magnetic materials — Part 8-1: Specifications for individual materials — Magnetically hard
materials
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 50131-1:2006 and the following
apply.
3.1.1
connecting field
one or more generated magnetic or electromagnetic field(s) (e.g. magnetic, inductive, RFID, NFC) connecting
actively the two units of the detector
Note 1 to entry: Separating the two units disturbs the connection and produces an intrusion signal or message.
3.1.2
prohibited area
mounting arrangement, as stated by the manufacturer, of the two units of the detector in which the detector no
longer meets the requirements of this Technical Specification
3.1.3
incorrect operation
physical condition that causes an inappropriate signal or message from a detector
3.1.4
wire free detector
detector connected to convey information to the control and indicating equipment without using wires, such as
radio frequency signals
3.1.5
approach distance/make distance
separation distance between the two units of a detector that are being brought together at which an intrusion
signal or message is reversed
3.1.6
removal distance/break distance
separation distance between the two units of a detector that are being moved apart at which an intrusion
signal or message is generated
3.1.7
corresponding unit
part of the detector, comprising one or more components, to act and/or react via one or more connecting
field(s) and is as such related to the process unit of the detector
3.1.8
process unit
part of the detector, comprising one or more components, analysing the connecting field(s) and/or their
content(s) towards the corresponding unit and which generates an appropriate signal or message
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3.1.9
lock state contact
detector which consists usually out of two separate units, where each of the units (process unit and
corresponding unit) is mounted within one of the two parts of the monitored object (fixed and moving parts)
while allowing to monitor the lock state only or the lock and the open state simultaneously
Note 1 to entry: The active connection between the two units is at least one connecting field. Separating the two units disturbs the
connection and produces an intrusion signal or message.
3.1.10
sealed contact
type of detector construction, whereby there is no direct access to the internal components or connections,
e.g. a “potted” unit usually supplied with integral connecting cable
3.1.11
reverse signal
signal or message generated by a detector to indicate that there is no longer an intrusion event, e.g. change
of state or cancellation of an intrusion signal or message
3.1.12
intrusion event
abnormal condition indicating the presence of a hazard
3.1.13
low supply voltage
supply voltage level below which the operation of the detector can no longer be guaranteed
3.1.14
interference test unit
unit(s) (e.g. magnet(s), RFID tag(s)) - similar to the corresponding unit - used for verifying the behaviour of the
detector in the presence of external connecting field(s), at least one of which is identical to the corresponding
unit supplied with the detector, whereas technology-depending internal different states are valid
3.1.15
external connecting field
deliberately induced connecting field generated by a source other than the corresponding or process unit
(e.g. sabotage magnet, RFID Tag)
3.1.16
immunity
characteristic of a detector such that only a limited change in its detection performance is permitted in the
presence of one of the interference test unit(s)
3.1.17
pure interference test magnet
unsealed magnetic field generating component (pure magnet) of the corresponding unit not mounted or build
into the corresponding unit housing which is used for mounting or installation
3.2 Abbreviations
For the purposes of this document, the abbreviations given in EN 50131-1:2006 and the following apply.
— AC Alternative Current;
— BTD Basic Test of Detection capability;
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— DC Direct Current;
— EMC Electromagnetic Compatibility;
— RFID Radio Frequency Identification.
4 Functional requirements
4.1 Events
The detector shall respond to events in accordance with Table 1 and as defined in this Clause 4.
Table 1 — Events to be processed and main functions to be provided by grade
Event to be processed and Grade
functions to be provided
1 2 3 4
Break distance exceeded M M M M
Inside make distance M M M M
a
Remote enable of detection indication Op Op M M
Connecting field interference Op Op M M
b c c c
Prevention and detection of access to the inside of Op M M M
the detector
d
Removal from the mounting surface Op M M M
e
Low power supply voltage Op Op M M
f
Total loss of external power M M M M
g g
Matched pairs, coding and encryption Op Op M M
Key
M = Mandatory
Op = Optional
a
Only required if detection indicator present.
b
Generation of a tamper signal for opening by normal means is not required.
c
Not required for sealed lock state contacts according to 4.5.2.
d
Mandatory for wire-free at grades 2, 3 and 4; mandatory for all grade 4 types, optional for wired
grades 1, 2 and 3.
e
See 4.6.7.
f
See 4.6.6.
g
See 4.5.5.
4.2 Signals or messages
The response to the signals or messages generated by the detector is determined by the I&HAS. The detector
shall generate signals or messages in accordance with Table 2, based on the events listed in Table 1. Signals
or messages shall be generated within 10 s of the event occurring. The response of a detector to events
defined as optional in Table 1 shall be in accordance with Table 2.
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Table 2 — Generation of signals or messages
Event Signals or messages
Intrusion Tamper Fault
Break distance exceeded M NP NP
Inside make distance NP NP NP
a
Magnetic interference grade 3 Op Op Op
b
Magnetic interference grade 4 M Op M
Detection of access to the inside of the detector NP M NP
Removal from the mounting surface NP M NP
c
Low power supply voltage Op Op M
d
Total loss of external power M Op Op
Key
M = Mandatory
NP = Not Permitted
Op = Optional
a
Required only if the make and break distances are greater than twice the distances specified by the
manufacturer (see 6.6.4); at least one of these signals or messages (Intrusion or/and Tamper or/and
Fault) shall be generated or an independent signal or message shall be generated.
b
Required only if the make and break distances are greater than twice the distances specified by the
manufacturer (see 6.6.4); either intrusion AND fault signals or messages, OR an independent signal
or message shall be generated.
c
See 4.6.7.
d
See 4.6.6.
4.3 Detection
4.3.1 Detection performance
4.3.1.1 Generalities
The operating parameters of the detector shall be verified as specified by the manufacturer for the axes of
movement shown in Annex D. The operating parameters shall be defined under the condition that a
successful locking position is ensured.
The manufacturer shall clearly state in the product documentation all removal/break and approach/make
distances including their tolerance range for each distance in order to specify all potential variances due to
product design and manufacturing.
Furthermore, the manufacturer shall clearly state as well in the product documentation any special limitation
concerning installation e.g. a prohibited area between a surface on the detector and the minimum make
distance.
4.3.1.2 Removal/break distance
The detector shall generate an intrusion signal or message at the removal/break distance specified by the
manufacturer. This distance shall be specified for all normal operating axes. If the detector is designed for
installation on ferromagnetic surfaces or in ferromagnetic material, the removal/break distance shall also be
specified for all normal operating axes when the detector is mounted using the material as specified in
Annex E.
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4.3.1.3 Approach/make distance
The detector shall generate a reverse signal or message at the minimum separation distance(s) specified by
the manufacturer. This distance(s) shall be specified for all normal operating axes. If the detector is designed
for installation on ferromagnetic surfaces or in ferromagnetic material, the approach/make distance shall be
specified for all normal operating axes when the detector is mounted using the material as specified in
Annex E.
4.3.2 Indication of detection
When a detection indicator is provided to show when an intrusion signal or message is generated and in
normal operation visible (e.g. surface mounted contacts) when installed according to the manufacturer's
instructions, this indicator shall be capable of being enabled and disabled.
The adjustment to enable or disable this indication locally within the detector shall only be accessible when
the detector is opened by normal means, in case of opening is required.
A detector at grade 3 or grade 4 shall be capable of receiving indication enable and disable commands from
the CIE when such an indicator is present, according to clause one of this paragraph.
4.4 Operational requirements
4.4.1 Time interval between intrusion signals or messages
Detectors 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.
Detectors 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
Where a detector requires an internal or external power supply in accordance with 4.6, the detector shall meet
all functional requirements within 180 s of the power supply reaching its nominal voltage.
4.4.3 Fault condition signals
A detector shall generate a fault signal or message in accordance with the manufacturer’s specification and
the provisions of Table 2 in the presence of a fault condition, according to Table 1, or as a result of an internal
self-test, if this feature is provided.
4.5 Tamper security
4.5.1 Tamper security requirements
All terminals and means of mechanical and electronic adjustments shall be located within the detector’s
housings.
The tamper security requirements for each grade of detector are shown in Table 1.
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4.5.2 Prevention and detection of access to the inside of the detector through covers and existing
holes
Access holes shall not allow interference with the operation of the detector by probing with commonly
available tools. Damage shall not be caused that would prevent normal operation.
If the detector can be opened, a tool shall be required to open the unit. For grades 2, 3 and 4 detectors all
covers giving access to components that could adversely affect the operation of the detector shall be fitted
with a tamper detection device that shall generate signals or messages in accordance with Table 2. It shall not
be possible to gain such access without generating a tamper signal or message or causing visible damage.
Sealed contacts do not require the means to detect access to the inside of the detector.
4.5.3 Detection of removal from the mounting surface
Means shall be provided which generates a tamper signal or message in accordance with Table 2 if the
detector is removed from the mounting surface. Operation of the tamper detection means shall not be
compromised by deliberate tamper actions. The means shall activate before access can be gained to it.
4.5.4 Magnetic or electromagnetic field interference
When the detector is mounted in accordance with the manufacturer’s instructions and is subject to the
presence of an external field, which is based on the same physical principal as the connecting field (e.g.
magnetic or electromagnetic) generated by:
• the interference test unit as specified in Annex A and one interference test unit which is identical to the
corresponding unit, each applied to the faces of the detector according to Annex F for purely magnetic
field based products (one after one) to generate an external connecting field;
• an interference test unit based on the same physical principal and digital identification means (e.g. tag
number provided by a RFID field, if encryption is not provided) applied to the faces of the detector
according to Annex F to generate an external connecting field;
the detector shall either:
a) be immune to any influence by each of the interference test units and continue to operate normally with
the make and break distances not exceeding twice those specified in accordance with 4.
...
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