FprEN 54-11
(Main)Fire detection and fire alarm systems - Part 11: Manual call points
Fire detection and fire alarm systems - Part 11: Manual call points
This draft European Standard specifies the requirements and methods of test for manual call points in fire detection and fire alarm systems in and around buildings. It takes into account indoor and outdoor conditions, the appearance and operation of the manual call points for type A "direct operation" and type B "indirect operation" and covers those which are simple mechanical switches, those which are fitted with simple electronic components (e.g. resistors, diodes) and those which contain active electronic components and which work with the control panels for signalling and identifying, for example, an address or location.
This draft European Standard specifies also requirements for the assessment of verification of continuity of performance (AVCP) and the marking of manual call points (see Annex ZA).
Brandmeldeanlagen - Teil 11: Handfeuermelder
Dieser europäische Norm-Entwurf legt Anforderungen und Prüfverfahren für Handfeuermelder in Brandmeldeanlagen zur Nutzung in Gebäuden und in deren Umgebung fest. Sie berücksichtigt Bedingungen in Gebäuden und im Freien, Erscheinungsbild und Funktionsweise von Handfeuermeldern des Typs A "Direkte Auslösung" und des Typs B "Indirekte Auslösung" und umfasst Handfeuermelder, die einfache mechanische Schalter sind, Handfeuermelder mit einfachen elektronischen Bauteilen (z. B. Widerstände, Dioden, usw.) und solche mit aktiven elektronischen Bauelementen, die mit Brandmeldezentralen für die Alarmierung und Lokalisierung, beispielsweise einer Adresse oder eines Ortes, zusammenarbeiten.
Dieser europäische Norm-Entwurf legt auch Anforderungen an die Bewertung und Überprüfung der Leistungsbeständigkeit (AVCP) und die Kennzeichnung von Handfeuermeldern fest (siehe Anhang ZA).
Systèmes de détection et d'alarme incendie - Partie 11: Déclencheurs manuels d'alarme
La présente Norme européenne spécifie les exigences et les méthodes d'essai des déclencheurs manuels intégrés dans les systèmes de détection et d'alarme incendie installés dans les bâtiments et autour de ceux-ci. Elle prend en compte les conditions d’environnement pour une installation à l’intérieur et à l’extérieur des bâtiments ainsi que l'aspect et la manoeuvre des déclencheurs manuels de type A (simple action) et de type B (double action). Elle concerne ceux qui sont de simples interrupteurs mécaniques, ceux qui sont équipés de composants électroniques passifs (par exemple, résistances et diodes) et ceux contenant un circuit électronique actif fonctionnant avec un équipement de contrôle et de signalisation pour identifier, par exemple, une adresse ou une position.
La présente Norme européenne spécifie également les exigences relatives à l’évaluation de la conformité et au marquage des déclencheurs manuels (voir Annexe ZA).
La présente Norme européenne ne s'applique pas aux déclencheurs manuels destinés à des applications particulières, par exemple les déclencheurs manuels à sécurité intrinsèque ou ceux utilisés dans des conditions dangereuses, si ces applications requièrent d’autres exigences et essais complémentaires que ceux spécifiés dans cette norme.
Les déclencheurs manuels destinés à des applications particulières (par exemple ATEX) nécessiteront des essais supérieurs et au-delà de la présente Norme européenne. Toutefois, il convient qu'en plus de satisfaire aux exigences spécifiques de leur application, ils soient conformes à tous les articles de la présente Norme européenne par lesquels ils sont considérés couverts.
Sistemi za odkrivanje in javljanje požara ter alarmiranje - 11. del: Ročni javljalniki
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 54-11:2013
01-julij-2013
6LVWHPL]DRGNULYDQMHLQMDYOMDQMHSRåDUDWHUDODUPLUDQMHGHO 5RþQLMDYOMDOQLNL
Fire detection and fire alarm systems - Part 11: Manual call pointsBrandmeldeanlagen - Teil 11: Handfeuermelder
Systèmes de détection et d'alarme incendie - Partie 11: Déclencheurs manuels d'alarme
Ta slovenski standard je istoveten z: prEN 54-11ICS:
13.220.20 3RåDUQD]DãþLWD Fire protection
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
oSIST prEN 54-11:2013 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN STANDARD
DRAFT
prEN 54-11
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2013
ICS 13.220.20 Will supersede EN 54-11:2001
English Version
Fire detection and fire alarm systems - Part 11: Manual call
points
Systèmes de détection et d'alarme incendie - Partie 11: Brandmeldeanlagen - Teil 11: Handfeuermelder
Déclencheurs manuels d'alarmeThis draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 72.
If this draft becomes a European Standard, CEN 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.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 54-11:2013: E
worldwide for CEN national Members.---------------------- Page: 2 ----------------------
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Contents Page
Foreword ....................................................................................................................................................... 3
Introduction .................................................................................................................................................. 4
1 Scope ................................................................................................................................................ 4
2 Normative references ....................................................................................................................... 5
3 Terms and definitions ...................................................................................................................... 6
4 Requirements ................................................................................................................................... 7
5 Tests methods ................................................................................................................................ 15
6 Evaluation of conformity ................................................................................................................ 35
7 Classification .................................................................................................................................. 42
8 Marking, labelling and packaging ................................................................................................... 42
9 Data ................................................................................................................................................. 42
Annex A (normative) Test apparatus for test for operation ...................................................................... 43
Annex B (informative) Test apparatus for test for non-operation ............................................................. 45
Annex C (informative) Test apparatus for the impact test ......................................................................... 46
Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU
Construction Products Directive (89/106/EEC) ............................................................................. 50
Annex ZB (informative) Relationship between this European Standard and the provisions of EU
Directive 73/23/EEC (Low Voltage) ................................................................................................ 59
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Foreword
This document (prEN 54-11:2013) has been prepared by Technical Committee CEN/TC 72 “Fire detection
and fire alarm systems”, the secretariat of which is held by BSI.This document is currently submitted to the CEN Enquiry.
This document will supersede EN 54-11:2001.
This document presents the consolidated version of EN 54-11:2001 and EN 54-11:2001/A1:2005 and includes
modifications which are indicated by a straight line in the margin of the text or in Tables 2, 9 and in Annex ZA
the changes are indicated by text in bold italics.---------------------- Page: 4 ----------------------
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Introduction
This European Standard has been drafted on the basis of appearance and functions which should be provided
on all manual call points for use in fire detection and fire alarm systems. The colours, dimensions, shapes and
methods of operation are based on recognised operating principles which give confidence and recognition to the
user when operated in genuine fire alarm situations.It is important for manual call points to be recognisable and simple to use, without the need to read elaborate
instructions so that anyone discovering a fire is able to use the manual call point without previous familiarity with
it.The purpose of a manual call point is to enable a member of the general public discovering a fire to initiate the
operation of a fire alarm system so that appropriate measures can be taken.The intention of this European standard is to specify requirements for operation and reliability. The methods of
operation of the manual call points covered are as follows: Type A: direct operation (single action);
Type B: indirect operation (double action).
Both types require the breaking or the visible displacement by change of the position of a frangible element
forming part of the front face, which is considered to be the most suitable method for general application and
which act as a deterrent to the misuse of the device. This action should be easy enough to be capable of being
performed by any members of the general public.Importance has been placed on identifying the manual call point, the method by which it is activated and an
indication to the user that the initiation of an alarm has been given.The resulting standard takes into account national variances in custom and practice and language in bringing
together common elements that contribute towards a standard device for use throughout Europe.
1 ScopeThis European Standard specifies the requirements and methods of test for manual call points in fire detection
and fire alarm systems in and around buildings. It takes into account indoor and outdoor conditions, the
appearance and operation of the manual call points for type A "direct operation" and type B "indirect operation"
and covers those which are simple mechanical switches, those which are fitted with simple electronic
components (e.g. resistors, diodes) and those which contain active electronic components and which work with
the control panels for signalling and identifying, for example, an address or location.
This European Standard specifies also requirements for the evaluation of conformity and the marking of manuals
call points (see Annex ZA).This European standard does not cover manual call points for special applications, for example flame proof
manual call points, or for use in hazardous conditions but can be used in conjunction with additional
requirements or tests required for these special applications.Manual call points for special applications, such as ATEX will require testing above and beyond this European
standard however should they by design in addition to meeting the specific requirements of their application
be compliant with all clauses of this European standard they are considered to be covered by the standard.
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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 54-1:1996, Fire detection and fire alarm systems — Part 1: IntroductionEN 894-3:2000, Safety of machinery — Ergonomics requirements for the design of displays and control
actuators — Part 3: Control actuatorsEN 894-3:2000/A1:2008, Safety of machinery — Ergonomics requirements for the design of displays and
control actuators — Part 3: Control actuatorsEN 50130-4:2011, Alarm systems — Part 4: Electromagnetic compatibility — Product family standard:
Immunity requirements for components of fire, intruder and social alarm systemsEN 50130-4:1995/A1:1998, Alarm systems — Part 4: Electromagnetic compatibility — Product family
standard: immunity requirements for components of fire, intruder and social alarm systems
EN 50130-4:1995/A2:2003, Alarm systems — Part 4: Electromagnetic compatibility — Product family
standard: immunity requirements for components of fire, intruder and social alarm systems
EN 60068-1:1994, Environmental testing — Part 1: General and guidance (IEC 60068-1:1988 + A1:1992 +
corrigendum October 1988)EN 60068-2-1:2007, Environmental testing — Part 2-1: Tests — Tests A: Cold (IEC 60068-2-1:2007)
EN 60068-2-2:2007, Basic environmental testing procedures — Part 2-2: Tests — Tests B: Dry heat (IEC
60068-2-2:2007)EN 60068-2-6:2007, Environmental testing — Part 2-6: Tests — Tests Fc: Vibration (sinusoidal) (IEC 60068-
2-6:1995 + corrigendum 2007)EN 60068-2-18:2001, Environmental testing — Part 2-18: Tests — Test R and guidance: Water (IEC 60068-2-
18:2000)EN 60068-2-27:2009, Basic environmental testing procedures — Part 2-27: Tests — Test Ea and guidance:
Shock (IEC 60068-2-27:2009)EN 60068-2-30:2005, Environmental testing — Part 2-30: Tests — Test Db: Damp heat, cyclic (12 h + 12 h
cycle) (IEC 60068-2-30:2005)EN 60068-2-42:2003, Environmental testing — Part 2-42: Tests — Test Kc: Sulphur dioxide test for contacts
and connections (IEC 60068-2-42:2003)EN 60068-2-78:2001, Environmental testing - Part 2-78: Tests — Test Cab: Damp heat, steady state (IEC
60068-2-78:2001)EN ISO 3098-0:1997, Technical product documentation — Lettering — Part 0: General requirements (ISO
3098-0:1997)EN ISO 9001:2008, Quality management systems — Requirements (ISO 9001:2000)
ISO 209-1:1989, Wrought aluminium and aluminium alloys — Chemical composition and forms of products —
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ISO 3864-1:2011, Graphical symbols — Safety colours and safety signs — Part 1: Design principles for safety
signs in workplaces and public areas"3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 54-1:2011 and the following apply.
3.1alarm condition
condition of the manual call point after the operating element has been activated
3.2frangible element
component which is glass or has the appearance of glass and which after receiving a blow or pressure as
instructed, is physically broken or is visibly displaced by change of position and remains in that condition until
replaced or resetNote 1 to entry: The frangible element is intended to give protection against unintentional operation and to be a
deterrent against misuse. The visible displacement of the frangible element is accepted as apparent breaking.
3.2.1non-resettable frangible element
frangible element that needs to be replaced after the activation of the manual call point, in order for the
manual call point to be able to return to the normal condition3.2.2
resettable frangible element
frangible element that can be returned to its original position without replacement, in order for the manual call
point to be able to return to the normal condition3.3
front face
area within the outline of the front view of the manual call point excluding the area of the operating face
Note 1 to entry: See Figures 1 and 2, item 1.3.4
manual call point
component of a fire detection and fire alarm system which is used for the manual initiation of an alarm
[SOURCE: EN 54-1:2011]Manual call points are divided into two types depending on the method of operation:
3.4.1type A: direct operation
manual call point in which the change to the alarm condition is automatic (i.e. without the need for further
manual action) when the frangible element is broken or displaced3.4.2
type B: indirect operation
manual call point in which the change to the alarm condition requires a separate manual operation of the
operating element by the user after the frangible element is broken or displaced3.5
normal condition
condition in which the frangible element is undamaged and the manual call point is operating without giving an
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3.6
operating element
mechanical and electrical switching element, part of the manual call point which initiates the alarm signal
when operated3.7
operating face
that area of the manual call point which may be the visible part of the frangible element or the visible area
behind itNote 1 to entry: See Figures 1 and 2, item 2.
3.8
special tool
device not normally carried by the public (e.g. a key), normally provided by the manufacturer and which is
used for replacing or resetting the frangible elementNote 1 to entry: It is intended to deter unauthorised access to the manual call point, while being available on site either
at a defined location or from a "responsible person" familiar with and having knowledge of the system.
4 Requirements4.1 Frangible element
4.1.1 Normal condition
The normal condition shall be easily recognisable by the appearance of the operating face as detailed in 4.7.
The frangible element shall be flat and shall not be broken, deformed or displaced.
4.1.2 Alarm conditionTransfer from the normal condition to the alarm condition shall be achieved by the following and shall be
easily recognisable by the change in the appearance of the operating face:a) for type A manual call points:
1) breaking the frangible element or
2) displacing the frangible element as a result of the breaking or
3) displacing the frangible element without breaking together with changing the appearance of the
operating face.b) for type B manual call points:
1) breaking and/or displacement of the frangible element as described in 4.3.2 a), to give access to the
operating element and2) manual activation of the operating element.
In addition, for type B manual call points, it shall be possible to see that the operating element is in the
activated position and it shall not be possible to activate the operating element without breaking or displacing
the frangible element (see 4.3.2 b) ) or without the use of a special tool (see 4.6)
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4.2 Indicators for alarm condition
The alarm condition shall be indicated by:
a) for type A: the condition of the frangible element as specified in 4.3;
b) for type B: the frangible element as described in 4.3 together with an identifiable activated position of the
operating element.The alarm condition may be additionally indicated visually by other means, for example lamps or light-emitting
diodes (LEDs).If an additional visual indicator is provided, it shall be positioned within the operating face or within the front
face of the manual call point. The visual indicator shall be red, shall identify the manual call point, which
released an alarm, until the alarm condition is reset and shall be visible from a distance of 2 m directly in front
of the manual call point, in an ambient light intensity up to 500 lx. Where other conditions of the manual call
point may be visually indicated, they shall be clearly distinguishable from the alarm indication, except when
the manual call point is switched into a service mode.4.3 Reset facility
It shall only be possible to reset the manual call point after operation by means of a special tool as follows:
a) for non-resettable frangible elements by inserting a new element;b) for resettable frangible elements by resetting the frangible element.
In addition, for type B manual call points, it shall only be possible to return the operating element to its normal
condition by means of a special tool.4.4 Test facility
The manual call point shall be equipped with a facility to carry out routine testing when installed. The operation
of this test facility shall:a) simulate the alarm condition by activating the operating element without breaking the frangible element;
andb) allow the manual call point to be reset without breaking the frangible element.
The operation of the test facility shall only be possible using a special tool.4.5 Construction and design
4.5.1 Safety aspects
When operating the frangible element injury to the operator shall not occur.
For type B manual call points the actuation force of the operating element shall meet the requirements of
EN 894-3:2000 as amended by EN 894-3:2000/A1:2008.Corners and edges of the manual call points shall be rounded to reduce the possibility of injury, but the radius
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4.5.2 Shape, dimensions and colours
4.5.2.1 Shape
The front face of the manual call point shall be approximately square in accordance with Table 1.
The operating face shall either be square (see Figure 1) or rectangular (see Figure 2).
The operating face in accordance with Table 1, Figure 1 and Figure 2:a) shall be central about the vertical centre line of the front face and
b) may be designed to have a vertical offset about the horizontal centre line of the front face.
The operating face shall be level with or recessed into the front face; it shall not project beyond the front face.
4.5.2.2 DimensionsThe dimensions of the front face and of the operating face shall be within the limits shown in Figure 1,
Figure 2 and Table 1. A tolerance of 5 % shall be applied where not otherwise specified.
The manual call point shall be designed so that it is capable of being mounted, in accordance with the
manufacturer’s instructions, with the front face at least 15 mm proud of the surrounding surface.
Key Key1 front face 1 front face
2 operating face 2 operating face
a to e see Table 1 a to e see Table 1
Figure 1 — Manual call point with a square Figure 2 — Manual call point with a rectangular
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Table 1 — Dimensions of manual call points
Manual call point
Letter
with
Dimension in Figure 1
or Figure 2
square operating face rectangular operating face
Height of front face a
85 mm ≤ a ≤ 135 mm 85 mm ≤ a ≤ 135 mm
Width of front face b
85 mm ≤ b ≤ 135 mm 85 mm ≤ b ≤ 135 mm
Ratio of width to height b/a
0,95 ≤ b/a ≤ 1,05 0,95 ≤ b/a ≤ 1,05
of the front face
Height of operating face c 0,5 a ± 5 mm 0,4 a ± 5 mm
Width of operating face d 0,5 a ± 5 mm 0,8 a ± 5 mm
Ratio of width to height d/c
0,95 ≤ d/c ≤ 1,05 1,9 ≤ d/c ≤ 2,1
of the operating face
Maximum vertical offset e ± 0,1 a ± 0,1 a
of the operating face
4.5.2.3 Colours
The colour of the visible surface area of the manual call point when mounted in accordance with 5.1.3 shall be
red, except for:a) the operating face;
b) the symbols and lettering on the front face specified in 4.7.3.2;
c) the special tool access, cable entry holes and screws.
The colour of the operating face other than symbols and lettering specified in 4.7.3.3 shall be white.
The colour of the visible part of the operating element (Type B manual call point) shall be black.
NOTE Suitable red, white and black colours are specified in ISO 3864-1:2011.4.5.3 Symbols and lettering
4.5.3.1 General
The manual call point shall be marked, with the appropriate symbols shown in Figure 3, as specified in 4.7.3.2
and 4.7.3.3. Examples of the arrangement of symbols on type A and type B manual call points are given in
Figures 4 and 5, respectively.4.5.3.2 Symbols and lettering on the front face
4.5.3.2.1 On the front face above the operating face and central to the vertical centre line shall be the
symbol in accordance with Figure 3a. This symbol may be supplemented with the word "FIRE", or equivalent
words in the national language. This combination shall be on the front face and above the operating face and
central to the vertical centre line. The height of the symbol shall be at least 0,15 a and the height of the
lettering shall not exceed the height of the symbol. The lettering shall be in accordance with
EN ISO 3098-0:1997, "lettering type B, vertical (V)". Symbols and lettering shall be white in accordance with
ISO 3864-1:2011.---------------------- Page: 11 ----------------------
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4.5.3.2.2 Markings other than specified in 4.5.3.2.1 (such as company logo or contact address) shall be
restricted to the area of the front face below the horizontal centre line of the operating face. The total area for
this marking other than red shall not be greater than 5 % of the area of the front face.
4.5.3.3 Symbols and lettering on the operating face4.5.3.3.1 The operating face of type A manual call points shall be marked with the symbol in accordance with
Figure 3c. The operating face of type B manual call points shall be marked with the symbols in accordance
with Figures 3b and 3d. The symbol in accordance with Figure 3b shall point to the operating element and
shall remain clearly visible when the frangible element is broken or displaced. These symbols may be
supplemented by appropriate words for instruction. Where supplementary wording is used, this shall indicate
position and/or operating action (e.g. "PRESS HERE").These symbols and lettering for any supplementary instructions shall be black with the black area not exceeding
10 % of the area of the operating face.NOTE A suitable black colour is specified in ISO 3864-1:2011.
The dimensions and spacing of the symbols shall be in proportion to the height shown, see Figure 3.
4.5.3.3.2 Markings other than specified in 4.5.3.3.1 (such as company logo or contact address) shall be
restricted to the upper and/or the lower 25 % of the area of the operating face and shall not interfere with the
symbols. The total area for this marking other than white shall not be greater than 5 % of the area of the
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a) symbol on the front face b) symbol on the operating face for activating
the operating element for type B manual call
point
c) symbol on the operating face d) symbol on the operating face
for the arrows including the virtual button for the arrows for type B manual call point
for type A manual call point (The virtual button may also be shown)NOTE See 4.5.3.3.1 for the proportion of dimensions and spacing of the symbols and the height shown.
Keya height of the front face, see Table 1
Figure 3 — Symbols used for manual call points
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a) Example for using a square b) Example for using a rectangular
operating face operating face
Figure 4 — Example for the front and operating face symbol positions for type A manual call point
a) Example for using a square b) Example for using a rectangularoperating face operating face
NOTE The dotted outline represents the visible part of the operating element.
Figure 5 — Example for the front and operating face symbol positions for type B manual call point
4.5.4 Protection against accidental operationIn addition to the use of the frangible element other means of protection may be used, e.g. a transparent flap.
Where used, the protection shall be easily and immediately removable and shall have clear instructions for its
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With the protection in place, the appearance of the manual call point, the instructions for its operation and the
state of the manual call point in the normal and alarm condition shall be clearly visible.
4.5.5 Environment categoryThe environment category (i.e. indoor or outdoor use, special environmental conditions) of the manual call point
shall be specified by the manufacturer.The manual call point shall be tested in accordance with the specified environmental category as given in the
test schedule in Table 2.4.6 Additional requirements for software controlled manual call points
4.6.1 General
For manual call points which rely on software control in order to fulfil the requirements of this standard, the
requirements of 4.8.2, 4.8.3 and 4.8.4 shall be met.4.6.2 Software documentation
4.6.2.1 Documentation which gives an overview of the software design shall be prepared and submitted
for testing, together with the MCP. This documentation shall be in sufficient detail for the design to be
inspected for compliance with this standard and shall include at least the following:
a) a functional description of the main program flow (e.g. as a flow diagram or structogram) including:
1) a brief description of the modules and the functions that they perform;2) the way in which the modules interact;
3) the overall hierarchy of the program;
4) the way in which the software interacts with the hardware of the manual call point;
5) the way in which the modules are called, including any interrupt processing.b) a description of which areas of memory are used for the various purposes (e.g. the program, site specific
data and running data);c) a designation, by which the software and its version can be uniquely identified.
4.6.2.2 The manufacturer shall have available detailed design documentation, which only needs to be
provided if required by the testing authority. It shall comprise at least the following:
a) an overview of the whole system configuration, including all software and hardware components;
b) a description of each module of the program, containing at least:1) the name of the module;
2) a description of the tasks performed;
3) a description of the interfaces, including the type of data transfer, the valid data range and the
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c) full source code listings, as hard copy or in machine-readable form (e.g. ASCII-code), including all global
and local variables, constants and labels used, and sufficient comment for the program flow to be
recognised;d) details of any software tools used in the design and implementation phase (e.g. CASE-tools, compilers).
4.6.3 Software designIn order to ensure the reliability of the manual call point, the following requirements for software design shall
apply:a) the software shall have a modular structure;
b) the design of the interfaces for manually and automatically generated data shall not permit invalid data to
cause error in the program operation;c) the software shall be designed to avoid the occurrence of deadlock of the programme flow.
4.6.4 The storage of programs and dataThe program necessary to comply with this standard and any preset data, such as manufacturer's settings,
shall be held in non-volatile memory. Writing to areas of memory containing this program and data shall only
be possible by the use of some special tool or code and shall not be possible during normal operation of the
manual call point.Site-spe
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Questions, Comments and Discussion
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