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

This European Standard specifies the requirements, performance criteria and testing procedures for PS to be used as part of Intrusion and Hold up Alarm Systems. The PS will either be an integral part of an I&HAS component or stand-alone. The control functions of the PS may be incorporated as part of the PS device, or may be provided by another I&HAS component, e.g. a CIE.
This European Standard is not applicable when the PS requirements for I&HAS components are included within the relevant product standard.
The requirements correspond to each of the four security grades given in the European Standard EN 50131-1, Alarm Systems – Intrusion and Hold-Up Systems – Part 1: System requirements. Requirements are also given for four environmental classes covering applications in indoor and outdoor locations.
This standard covers:
a)   mandatory functions which will be provided on all PS, and
b)   optional functions which may be provided.
This European Standard does not deal with requirements for compliance with EC regulatory Directives, such as the EMC Directive, Low Voltage Directive, etc. except that it specifies the equipment operating conditions for EMC susceptibility testing as required by EN 50130-4.
Other functions associated with I&HAS not specified in this standard may be provided. Such functions will not affect the requirements of any mandatory or optional functions.

Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil 6: Energieversorgungen

Systèmes d'alarme - Systèmes d'alarme contre l’intrusion et les hold-up - Partie 6: Alimentation

La présente Norme européenne spécifie les exigences, les critères de performance et les procédures d’essai pour les PS destinées à être utilisées comme partie de systèmes d’alarme contre l’intrusion et les hold-up. La PS est intégrée à un composant d’un I&HAS ou un ensemble séparé. Les fonctions de commande de la PS peuvent être intégrées comme partie du dispositif de la PS, ou peuvent être fournies par un autre composant de l’I&HAS, par exemple un CIE. La présente Norme européenne ne s’applique pas lorsque les exigences de la PS pour des composants d’un I&HAS sont incluses dans la norme de produit applicable. Les exigences correspondent à chacun des quatre grades de sécurité donnés dans la Norme européenne EN 50131-1, Systèmes d’alarme - Systèmes d’alarme contre l’intrusion et les hold-up - Partie 1: Exigences système. Des exigences sont également données pour les quatre classes d’environnement couvrant les applications localisées en intérieur et en extérieur. La présente norme couvre: a) les fonctions obligatoires fournies sur toutes les PS; et b) les fonctions facultatives pouvant être fournies. La présente Norme européenne ne couvre pas les exigences de conformité aux directives réglementaires CE, comme la directive CEM, la directive Basse Tension, etc., mais elle spécifie les conditions de fonctionnement des matériels et l’essai fonctionnel réduit en ce qui concerne les essais de susceptibilité CEM comme cela est exigé par l’EN 50130-4. D’autres fonctions associées à un I&HAS, non spécifiées dans la présente norme, peuvent être fournies. Ces fonctions n’ont pas de conséquence sur une quelconque des exigences relatives aux fonctions obligatoires ou facultatives.

Alarmni sistemi - Sistemi za javljanje vloma in ropa - 6 del: Napajalniki

Ta evropski standard določa zahteve, merila uspešnosti in preskusne postopke za napajalnike za uporabo kot del alarmnega sistema za javljanje vloma in ropa. Napajalnik je lahko sestavni del komponente I&HAS ali samostojen. Krmilne funkcije napajalnika je mogoče vključiti kot del napajalne naprave ali pa jih lahko zagotavlja drug sestavni del I&HAS, npr. CIE.
Ta evropski standard se ne uporablja, kadar so zahteve napajalnika za sestavne dele I&HAS zajete v ustreznem standardu za proizvode.
Zahteve ustrezajo vsem štirim varnostnim razredom, ki so navedeni v evropskem standardu EN 50131-1 Alarmni sistemi - Sistemi za javljanje vloma in ropa - 1. del: Sistemske zahteve. Zahteve so podane tudi za štiri okoljske razrede, ki zajemajo uporabe v notranjih in zunanjih lokacijah.
Ta standard vključuje:
a) obvezne funkcije, ki so na voljo pri vseh napajalnikih; in
b) izbirne funkcije, ki so lahko na voljo.
Ta evropski standard ne obravnava zahtev glede skladnosti z regulativnimi direktivami ES, kot je direktiva o elektromagnetni združljivosti, direktiva o nizki napetosti itd., določa pa pogoje za uporabo opreme za preskušanje občutljivosti v okviru elektromagnetne združljivosti, kot to zahteva standard EN 50130-4.
Morda so na voljo druge funkcije, povezane z I&HAS, ki niso navedene v tem standardu. Take funkcije ne smejo vplivati na zahteve obveznih ali izbirnih funkcij.

General Information

Status
Published
Public Enquiry End Date
29-Jun-2016
Publication Date
07-Dec-2017
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
14-Nov-2017
Due Date
19-Jan-2018
Completion Date
08-Dec-2017

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SLOVENSKI STANDARD
SIST EN 50131-6:2018
01-januar-2018
1DGRPHãþD
SIST EN 50131-6:2008
SIST EN 50131-6:2008/A1:2014
Alarmni sistemi - Sistemi za javljanje vloma in ropa - 6 del: Napajalniki
Alarm systems - Intrusion and hold-up systems - Part 6: Power supplies
Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil 6: Energieversorgungen

Systèmes d'alarme - Systèmes d'alarme contre l’intrusion et les hold-up - Partie 6:

Alimentation
Ta slovenski standard je istoveten z: EN 50131-6:2017
ICS:
13.310 Varstvo pred kriminalom Protection against crime
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
SIST EN 50131-6:2018 en,fr

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

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SIST EN 50131-6:2018
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SIST EN 50131-6:2018
EUROPEAN STANDARD EN 50131-6
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2017
ICS 13.310 Supersedes EN 50131-6:2008
English Version
Alarm systems - Intrusion and hold-up systems - Part 6: Power
supplies

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

les hold-up - Partie 6: Alimentation 6: Energieversorgungen

This European Standard was approved by CENELEC on 2017-09-18. 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 such 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 into 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 Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, 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

© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 50131-6:2017 E
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
Contents Page

European 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 ............................................................................................................................... 9

4 Functional requirements ............................................................................................................. 9

4.1 PS configurations ......................................................................................................................... 9

4.2 General requirements ................................................................................................................10

4.3 Monitoring of PS .........................................................................................................................13

4.4 APS capability ............................................................................................................................17

4.5 Recharging for PS Type A .........................................................................................................17

4.6 Over-voltage protection .............................................................................................................18

4.7 Short circuit protection..............................................................................................................18

4.8 Overload protection ...................................................................................................................18

4.9 Deep discharge protection ........................................................................................................18

4.10 Ripple ..........................................................................................................................................18

4.11 Tamper security ..........................................................................................................................18

4.12 Environmental ............................................................................................................................21

4.13 Safety ...........................................................................................................................................22

4.14 EMC susceptibility .....................................................................................................................22

4.15 Electrical .....................................................................................................................................22

5 Marking ........................................................................................................................................23

6 Documentation ...........................................................................................................................23

7 Tests ............................................................................................................................................24

7.1 General ........................................................................................................................................24

7.2 General test conditions .............................................................................................................25

7.3 Reduced functional test ............................................................................................................26

7.4 Monitoring: Loss of EPS ...........................................................................................................26

7.5 Monitoring: Storage Device Low Residual Energy .................................................................27

7.6 Monitoring: Storage Device Failure ..........................................................................................30

7.7 Monitoring: Low Output Voltage ..............................................................................................30

7.8 Monitoring: Power Unit Failure – Loss of PU Power Output .................................................31

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SIST EN 50131-6:2018
EN 50131-6:2017 (E)

7.9 Monitoring: Power Unit Failure – Loss of SD Recharge ........................................................32

7.10 Test on demand ..........................................................................................................................32

7.11 APS Capability ............................................................................................................................33

7.12 Recharging for PS Type A .........................................................................................................34

7.13 Over voltage protection .............................................................................................................35

7.14 Short Circuit Protection .............................................................................................................36

7.15 Overload Protection ...................................................................................................................37

7.16 Deep Discharge Protection .......................................................................................................38

7.17 Tamper security - Protection ....................................................................................................39

7.18 Tamper Detection – Access to inside of the housing ............................................................39

7.19 Tamper detection – Removal from mounting ..........................................................................40

7.20 Tamper detection – Penetration of the housing .....................................................................41

7.21 Environmental and EMC ............................................................................................................42

7.22 PS Rating ....................................................................................................................................42

7.23 Output voltage stability - Gradual load variation ....................................................................45

7.24 Output Voltage Stability – Switched Load Variation ..............................................................46

7.25 Marking and Documentation .....................................................................................................47

Annex A (informative) Determination of Storage Device failure ......................................................48

Annex B (normative) Measurement of ripple voltage .......................................................................49

B.1 General ........................................................................................................................................49

B.2 Principle ......................................................................................................................................49

B.3 Test conditions ...........................................................................................................................49

B.4 Measurement ..............................................................................................................................49

B.5 Pass/Fail Criteria ........................................................................................................................49

Annex C (normative) Measurement of transients ..............................................................................50

C.1 General ........................................................................................................................................50

C.2 Principle ......................................................................................................................................50

C.3 Test conditions ...........................................................................................................................50

C.4 Measurement ..............................................................................................................................50

C.5 Pass/Fail Criteria ........................................................................................................................50

Annex D (informative) Test on Demand signal or message timing and usage protocol ...............51

Annex E (informative) Cross-reference between requirements and corresponding tests ...........52

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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
European foreword
This document (EN 50131-6:2017) has been prepared by CLC/TC 79 “Alarm systems”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2018-09-18
implemented at national level by publication of an
identical national standard or by endorsement
• latest date by which the national standards (dow) 2020-09-18
conflicting with this document have to
be withdrawn
This document supersedes EN 50131-6:2008.

The revision is to make the document less technology specific and more inclusive of the different

types of power supplies found in I&HAS and the different types of technologies that are, and can be,

employed within a power supply. It will make the document easier to use and more clearly applicable

to the range of PSU configurations to be found in I&HAS.

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.

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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
Introduction

This European Standard deals with power supplies (PS) of intrusion and hold-up alarm systems

(I&HAS) installed in buildings. It includes devices that are installed inside or outside of the supervised

premises and mounted in indoor or outdoor environments.

The PS may be fully contained in its own housing or it may be integrated with other components within

an I&HAS, e.g. the control and indicating equipment (CIE).
An I&HAS may use one or more PS.
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
1 Scope

This European Standard specifies the requirements, performance criteria and testing procedures for

PS to be used as part of Intrusion and Hold up Alarm Systems. The PS will either be an integral part of

an I&HAS component or stand-alone. The control functions of the PS may be incorporated as part of

the PS device, or may be provided by another I&HAS component, e.g. a CIE.

This European Standard is not applicable when the PS requirements for I&HAS components are

included within the relevant product standard.

The requirements correspond to each of the four security grades given in the European Standard

EN 50131-1, Alarm Systems – Intrusion and Hold-Up Systems – Part 1: System requirements.

Requirements are also given for four environmental classes covering applications in indoor and

outdoor locations.
This standard covers:
a) mandatory functions which will be provided on all PS; and
b) optional functions which may be provided.

This European Standard does not deal with requirements for compliance with EC regulatory

Directives, such as the EMC Directive, Low Voltage Directive, etc. except that it specifies the

equipment operating conditions and reduced functional test for EMC susceptibility testing as required

by EN 50130-4.

Other functions associated with I&HAS not specified in this standard may be provided. Such functions

will not affect the requirements of any mandatory or optional functions.
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 60068-2-14:2009, Environmental testing - Part 2-14: Tests - Test N: Change of temperature (IEC

60068-2-14:2009)
EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529)

EN 62262, Degrees of protection provided by enclosures for electrical equipment against external

mechanical impacts (IK code) (IEC 62262)
---------------------- Page: 8 ----------------------
SIST EN 50131-6:2018
EN 50131-6:2017 (E)
3 Terms, definitions and abbreviations

For the purposes of this document, the following terms, definitions and abbreviations apply.

3.1 Terms and definitions
3.1.1
alternative power source

power source capable of powering the I&HAS for a predetermined time when the prime power source

is unavailable
3.1.2
APS operating period
period during which the APS is supporting an I&HAS when the EPS has been lost
3.1.3
charged state

charge state of a rechargeable SD having at least the rated minimum energy level at the start of the

APS operating period
3.1.4
deep discharge protection

protection which avoids damage to the SD when the level of discharge is beyond the level specified by

the SD manufacturer
3.1.5
external power source

power source for types A and B PS, which is external to the I&HAS and which may be non-continuous

3.1.6
independent power output

individual power output to the I&HAS having its own protection against short circuit and overload and

not dedicated to an I&HAS component with which the PS is integrated
3.1.7
integrated PS

PS that is integrated with another I&HAS component, usually within the same housing, and having at

least one power output that is dedicated solely to that other component, separate from any

independent power output, for example a PS integrated with a CIE
3.1.8
low output voltage
voltage below the minimum power output voltage
3.1.9
maximum power output voltage

maximum rated voltage of the PS at each independent power output as specified by the PS

manufacturer under normal operating conditions
3.1.10
minimum power output voltage

minimum rated voltage of the PS at each independent power output as specified by the PS

manufacturer under normal operating conditions
3.1.11
normal operating condition

conditions applying when the PS is mounted according to the PS manufacturer’s instructions, within

the range of the designated environmental class, the applied load being within the rated output, the

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SIST EN 50131-6:2018
EN 50131-6:2017 (E)

SD having sufficient charge to maintain the minimum power output voltage and for PS type A and PS

type B, any applied and available EPS being within specified range

Note 1 to entry: Normal operating condition of a PS includes the APS operating period.

3.1.12
open by normal means
opening of the equipment housing by the procedure defined by the manufacturer
3.1.13
over-voltage protection

protection of the PS output against excessive high output voltage due to failure of one or more PS

components under normal operating conditions
3.1.14
power output
output of an integrated PS dedicated to the integrated component
3.1.15
power supply

device that stores, provides and also modifies or isolates (electrical) power for an I&HAS or part

thereof, comprising of a PU and SD as a minimum
3.1.16
power unit

device that provides and also modifies or isolates (electrical) power for an I&HAS or part thereof and

for the SD if required
3.1.17
power unit failure

condition of the PU where it cannot supply the rated output and/or for a PS type A cannot recharge the

3.1.18
prime power source
power used to support an I&HAS under normal operating conditions

Note 1 to entry: The prime power source does not support the I&HAS during the APS operating period.

3.1.19
principal prime power source
energy source capable of supporting the I&HAS for extended periods
3.1.20
rated output

total continuous output current that can be supplied by the PS to the I&HAS through its independent

power outputs and to any integrated component under normal operating conditions
3.1.21
ripple

variation of the voltage at the independent power outputs resulting from components of the EPS or

artefacts introduced by the operation of the PU, e.g. switching circuit
3.1.22
standby period

period during which the alternative power source is capable of supporting an I&HAS

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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
3.1.23
storage device
device which stores energy, e.g. a battery
3.1.24
storage device – failure

condition of the SD where it cannot supply the rated output of the PS at the minimum power output

voltage in the event of loss of EPS
3.1.25
storage device low residual energy

condition specified by the PS manufacturer which indicates that the SD is nearly discharged

3.1.26
supplementary prime power source

energy source independent of the PPPS capable of supporting an I&HAS for extended periods,,

without affecting the standby period of the alternative power source
3.2 Abbreviations
APS Alternative Power Source
CIE Control and Indicating Equipment
EPS External Power Source
I&HAS Intruder and Hold-up Alarm System
PPPS Principal Prime Power Source
PPS Prime Power Source
PS Power Supply
PU Power Unit
SD Storage Device
SPPS Supplementary Prime Power Source
ac alternating current
dc direct current
4 Functional requirements
4.1 PS configurations
The PS may be configured as:

(i) standalone, with independent power outputs connected to the I&HAS, Figure 1 a);

(ii) integrated with at least one other I&HAS component, with independent power outputs connected

to the I&HAS, and having at least one power output dedicated to the integrated component,

Figure 1 b);

(iii) integrated with at least one other I&HAS component, but with no independent power outputs

connected to other components of the I&HAS, Figure 1 c).

For PS in configuration (iii), where there are no product specific requirements for the functionality and

performance of the PS defined within the relevant EN 50131 series product standard for the integrated

component, the requirements of this European Standard shall apply.
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
PS Independent
Power Outputs
to I&HAS
Fig. 1 a) Standalone PS
PS Component Independent
Power Outputs
to I&HAS
Power Output to Component
Fig. 1 b) Integrated PS with Independent Power Outputs to I&HAS
PS Component
Power Output to Component
Fig. 1 c) Integrated PS with NO Independent Power Outputs to I&HAS
Figure 1 — Power Supply Configurations
4.2 General requirements

The PS provides power for the components of an I&HAS derived from the prime power source.

The prime power source will normally be available to power the I&HAS for extended periods.

There are three types of PS which are independent of security grade and independent of the PS

configuration. These PS types are defined in EN 50131-1 and illustrated in Figure 2.

One or more PS may be used to meet the I&HAS standby requirements as specified in EN 50131-1.

For PS types A and B (see Figure 2):
— the EPS is the prime power source;
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)

— the EPS is derived from either the principal prime power source or the supplementary prime

power source;

— the PPPS is the normal continuously available external source of power for the I&HAS, for

example the public mains supply;

— the SPPS provides an external back-up source of power in the event of loss of PPPS, for example

a standby generator;

— there is no requirement for the I&HAS to differentiate between the PPPS and SPPS as the source

of the EPS;

— an alternative power source provides a back-up source of power to the I&HAS components in the

event of loss of the EPS;
— the APS is derived from a SD which is housed within the PS.

NOTE 1 The PPPS may be a local source of power, for example a generator, with the SPPS

provided by the public mains electricity supply.

NOTE 2 The EPS may have a voltage and frequency other than that of the public mains electricity

supply, for example as provided from a low voltage battery bank.

For PS type C, the prime power source is derived from a SD which is housed within the PS.

A PS type A shall recharge the SD automatically from the EPS when the EPS is present, and maintain

it in a charged state.

NOTE There is no requirement for the charging to be continuous to maintain the SD in its charged state.

Where the SD in a PS type B is rechargeable, recharging of the SD shall be from an energy source

other than the EPS. This energy source may be non-continuous, e.g. derived from solar radiation.

A fault on one independent power output of a PS will have no impact upon the functionality of any

other independent power output.
Each independent power output may have provision for more than one connection.
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
PPPS
EPS
Independent
power outputs
SPPS
to I&HAS
APS
components
PS Type A
I&HAS
PPPS
EPS
PU Independent
power outputs
SPPS
to I&HAS
APS
components
Replacement SD or
non-continuous
recharge source for
SD not charged from
EPS
PS Type B
I&HAS
PU Independent
power outputs
to I&HAS
components
PS Type C SD
I&HAS
Figure 2 — Power Supply Types
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)

Depending upon the security grade and PS type, the PS shall have the functionality as defined in

Table 1.

If a function is provided that is optional for a particular grade and a claim of compliance is made, it

shall meet the applicable requirements for the grade for which compliance is claimed (if any are

given). If there are no specifications for the optional function at the grade in question, the requirements

for any higher grade (as identified by the PS manufacturer) shall apply.
Table 1 — Power Supply Functions
PS Type
Function Grade
A B C
Detection of Loss of EPS 1 – 4 M M N/A
Detection of Storage Device Low 1 – 4 M M M
Residual Energy
1 – 2 Op Op N/A
Detection of Storage Device –
Failure
3 – 4 M Op N/A
1 – 2 Op Op N/A
Detection of Low Output Voltage
3 – 4 M M N/A
1 – 2 Op Op N/A
Detection of Power Unit failure
3 – 4 M M N/A
1 – 2 Op Op Op
Over-voltage Protection
3 – 4 M M Op
Short circuit protection 1 – 4 M M M
Overload protection 1 – 4 M M M
1 – 2 Op Op N/A
SD Deep Discharge protection
3 – 4 M M N/A
1 – 3 Op Op N/A
Test On Demand
4 M Op N/A
Tamper Security 1 – 4 M M M
M = Mandatory
Op = Optional
N/A = Not Applicable
Where the SD is rechargeable and Deep Discharge will damage the SD
4.3 Monitoring of PS
4.3.1 General

The PS shall generate fault signals or messages for communication to the CIE according to Table 2.

Monitoring signals or messages shall be fail safe such that total loss of function of the PS will be

recognized as a fault condition by the I&HAS.

For integrated PS with configurations (ii) and (iii), the fault signals or messages may be communicated

to the CIE via the integrated component.
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SIST EN 50131-6:2018
EN 50131-6:2017 (E)
Table 2 — Power Supply Signalling
Storage
Device
Power Output
EPS Fault APS Fault Tamper
Low
Fault
Condition Residual
signal or signal or signal or
signal or
Energy
message message message
message
signal or
message
Loss of EPS M NP N/A NP NP
Storage Device Low
Residual Energy:
NP M N/A NP NP
PS types A and B
Storage Device Low
Residual Energy:
N/A NP M NP NP
PS type C
Storage Device – Failure NP M N/A NP NP
Low Output Voltage Op Op Op M NP
Power Unit – Failure NP NP NP M NP
Tamper Detection NP NP NP NP M
Test on Demand NP Op NP NP NP
M = Mandatory
NP = Not permitted
N/A = Not Applicable
Op = Optional
Dependent upon security grade
4.3.2 Loss of EPS

The EPS shall be monitored to detect when it can no longer provide the main supply of energy to

power the I&HAS.

A loss of EPS condition shall exist when the EPS has been continuously disconnected for a minimum

of 10 s and a maximum of 60 s.

An EPS Fault signal or message shall be generated within 10 s of the detection of Loss of EPS

condition.

A reconnection of EPS condition shall exist when the EPS has been continuously re-connected for a

minimum of 1 s and a maximum of 10 s.

An EPS Fault signal or message shall be removed within 10 s of the detection of reconnection of EPS

condition.
4.3.3 Storage Device Low Residual Energy
4.3.3.1 General
The SD shall be monitored to detect when its remaining stored energy is low.

The PS manufacturer shall declare in the PS documentation the monitored condition of the SD that will

generate this fault signal or message, for example, low SD voltage.

For PS type A, when the EPS is present and the SD is undergoing normal charging it is not necessary

to monitor for SD Low Residual Energy.
---------------------- Page: 16 ----------------------
SIST EN 50131-6:2018
EN 50131-6:2017 (E)

For PS type B having a rechargeable SD and its SD is undergoing normal charging, it is not necessary

to monitor for SD Low Residual Energy.

NOTE For PS type A when the EPS is present the SD will normally be automatically recharged.

4.3.3.2 PS Type A and B
For PS type A and B:

An APS Fault signal or message shall be generated according to Table 2 and within the maximum

time periods defined in Table 3
...

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