IEC 62851-2:2014

IEC 62851-2 ®
Edition 1.0 2014-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Alarm and electronic security systems – Social alarm systems –
Part 2: Trigger devices
Systèmes d'alarme et de sécurité électroniques – Systèmes d'alarme sociale –
Partie 2: Déclencheurs
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IEC 62851-2 ®
Edition 1.0 2014-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Alarm and electronic security systems – Social alarm systems –

Part 2: Trigger devices
Systèmes d'alarme et de sécurité électroniques – Systèmes d'alarme sociale –

Partie 2: Déclencheurs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 13.320 ISBN 978-2-8322-1501-2

– 2 – IEC 62851-2:2014 © IEC 2014
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Manually-activated trigger devices . 9
4.1 General requirements . 9
4.2 Functional requirements . 9
4.2.1 General . 9
4.2.2 Trigger device with internal primary batteries . 9
4.2.3 Trigger device with internal power supply connected to the
a.c. mains and sealed rechargeable batteries . 9
4.2.4 Push button fixed or portable type . 10
4.2.5 Push button fixed type . 10
4.2.6 Pull switch fixed type . 10
4.2.7 Push button portable type . 10
5 Test of manually-activated trigger devices . 10
5.1 Test categories . 10
5.2 Standard atmospheric condition for testing. 10
5.3 Number of trigger devices used for testing . 11
5.4 General conditions for tests . 11
5.4.1 Triggers using cable transmission . 11
5.4.2 Triggers using wire-free transmission . 11
5.5 Functional tests . 12
5.5.1 Triggers using cable transmission . 12
5.5.2 Triggers using wire-free transmission . 12
5.5.3 Fixed trigger type . 13
5.5.4 Portable trigger with neckband relief (anti-strangle) device . 13
5.5.5 Push button fixed trigger types . 13
5.5.6 Push button portable trigger types . 14
5.5.7 Pull switch fixed trigger type . 14
5.5.8 Pull activated portable trigger . 15
5.6 Wire-free radio interconnections measurements . 16
5.7 Environmental tests . 16
5.7.1 General . 16
5.7.2 Selection of tests and severities (environmental groups) . 17
5.7.3 Tests applicable to the different environmental groups . 17
5.7.4 Environmental test exposures not applicable to different types
of triggers . 17
5.7.5 Specific environmental test requirements for different types of
trigger devices . 20
6 Automatically-activated trigger devices . 25
6.1 Typical automatically-activated triggers . 25
6.1.1 Fire alarm triggers . 25
6.1.2 Gas alarm triggers . 25
6.1.3 Activity monitoring triggers. 25
6.2 Common requirements . 25

6.2.1 General . 25
6.2.2 Operation of automatically-activated trigger . 25
6.2.3 Response to an automatically-activated trigger . 25
6.3 Specific requirements for fire, gas, intruder alarm triggers . 25
7 Marking . 26
7.1 Information to be included in the marking . 26
7.2 Requirements for the marking . 26
Annex A (normative) Measurements of contact and insulation resistances for
mechanical contact function . 27
A.1 General . 27
A.2 Measurements of contact resistance . 27
A.3 Measurements of insulation resistance. 27
Annex B (normative) Strain relief test jig . 28
Annex C (normative) Test set-up by using rf-shielded test fixtures . 29
C.1 RF-shielded test fixture for the trigger device . 29
C.2 RF-shielded test fixture for the local unit or controller . 29
C.3 Interconnection between trigger device and local unit or controller . 29
Bibliography . 31

Figure B.1 – Strain relief test jig . 28
Figure C.1 – RF-shielded test figure . 30

Table 1 – Measurement of radio transmitter parameters . 16
Table 2 – Environmental tests for fixed trigger devices . 19
Table 3 – Environmental tests for portable trigger devices . 20

– 4 – IEC 62851-2:2014 © IEC 2014
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ALARM AND ELECTRONIC SECURITY SYSTEMS –
SOCIAL ALARM SYSTEMS –
Part 2: Trigger devices
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardi
...