IEC 60747-16-4/AMD1/FRAGF
(Amendment)IEC 60839-10-1
IEC 60839-10-1
Specifies requirements and test methods for vehicle security alarm systems in tended for installation within vehicles used for the carriage of passengers and having not more than eight seats in addition to the driver's seat.
Amendement 1 - Dispositifs à semiconducteurs - Partie 16-4: Circuits intégrés hyperfréquences - Commutateurs
Décrit les prescriptions et les méthodes d'essai pour les systèmes d'alarme de sécurité pour véhicules prévus pour être installés dans des véhicules pour passagers et n'ayant pas plus de huit sièges outre celui du conducteur.
Alarm systems - Part 10: Alarm systems for road vehicles - Section 1: Passenger cars
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST IEC 60839-10-1:1999
01-september-1999
Alarm systems - Part 10: Alarm systems for road vehicles - Section 1: Passenger
cars
Alarm systems - Part 10: Alarm systems for road vehicles - Section 1: Passenger cars
Systèmes d'alarme - Partie 10: Systèmes d'alarme pour véhicules routiers - Section 1:
Véhicules pour passagers
Ta slovenski standard je istoveten z: IEC 60839-10-1
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
43.020 Cestna vozila na splošno Road vehicles in general
SIST IEC 60839-10-1:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST IEC 60839-10-1:1999
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SIST IEC 60839-10-1:1999
NORME CEI
INTERNATIONALE IEC
60839 -10- 1
INTERNATIONAL
Première édition
STAN DARD
First edition
1995-12
Systèmes d'alarme
Partie 10:
Systèmes d'alarme pour véhicules routiers
—
Section 1: Véhicules pour passagers
Alarm systems
Part 10:
Alarm systems for road vehicles —
Section 1: Passenger cars
© IEC 1995 Droits de reproduction réservés —
Copyright - all rights reserved
Aucune partie de publication être reproduite ni cette ne peut No part of this publication may be reproduced or utilized in
utilisée quelque forme que ce soit et par aucun any form or by any means, electronic or mechanical,
sous
la photo- procédé, électronique ou mécanique, y compris including photocopying and microfilm, without permission in
copie et les microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
CODE PRIX
PRICE CODE
IEC
ISO
Pour prix, voir catalogue en vigueur
•
For price, see current catalogue
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CONTENTS
Page
FOREWORD 5
INTRODUCTION 7
Article
1 Scope 9
2 Normative references 9
3 Definitions 11
4 Requirements 13
4.1 System description 13
4.2 System design 15
4.3 Documentation 25
5 Tests 27
5.1 General 27
5.2 Test procedures 29
5.3 Test conditions 29
6 Marking and labelling 43
Figures 45
Annex A 49
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
ALARM SYSTEMS —
Part 10: Alarm systems for road vehicles —
Section 1: Passenger cars
FOREWORD
1)
The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international cooperation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters, express as nearly as possible an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3)
The documents produced have the form of recommendations for international use and are published in the form
of standards, technical repo rts or guides and they are accepted by the National Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5)
The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 839-10-1 has been prepared by the Joint Working Group IEC/TC 79:
Alarm systems, and ISO/TC 22: Road vehicles.
The text of this standard is based on the following documents:
FDIS Report on voting
IEC 79/137/FDIS
79/139/RVD
ISO ISO/DIS 12016
Full information on the voting for the approval of this standard can be found in the repo on
rt
voting indicated in the above table.
Annex A is for information only.
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INTRODUCTION
Due to the coordination problems regarding alarm systems for road vehicles, a decision was made to
develop a joint IEC/ISO standard.
Space protection systems, which are optional, need to be tested individually, and in consequence are
not required to be tested in this standard, other than by testing the actual detectors against their own
specifications. Therefore, examples of testing of installed systems are given in an informative annex.
Any revision of this standard is submitted to the common agreement of IEC/TC 79 and ISO/TC 22.
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ALARM SYSTEMS -
Part 10: Alarm systems for road vehicles -
Section 1: Passenger cars
1 Scope
This section of IEC 839-10 specifies requirements and test methods for vehicle security alarm systems
(VSAS) intended for installation within vehicles used for the carriage of passengers and having not
more than eight seats in addition to the driver's seat.
The object of the standard is to ensure a high standard of safety, performance and reliability of the
VSAS and the reduction of false alarms.
The standard covers VSAS designed to detect and signal the unauthorized opening of any of the
vehicle doors, boot/luggage compartment, bonnet/engine hood and, in addition, to immobilize the
vehicle when set.
The standard covers VSAS intended both for installation as original equipment and for installation after
delivery of the vehicle.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute
provisions of this section of IEC 839-10. At the time of publication, the editions indicated were valid.
All normative documents are subject to revision, and parties to agreements based on this section of
IEC 839-10 are encouraged to investigate the possibility of applying the most recent editions of the
normative documents indicated below. Members of IEC and ISO maintain registers of currently valid
International Standards.
IEC 68-1: 1988, Environmental testing – Part 1: General and guidance
IEC 68-2: 1988, Environmental testing – Part 2: Tests
IEC 529: 1989, Degrees of protection provided by enclosures (IP Code)
IEC 839-1-3: 1988, Alarm systems – Part 1: General requirements – Section Three – Environmental
testing
CISPR 12: 1990,
Limits and methods of measurement of radio interference characteristics of vehicles,
motor boats and spark-ignited engine-driven devices
ISO 512: 1979, Road vehicles – Sound signalling devices – Technical specifications
ISO 7637-1: 1990,
Road vehicles – Electrical disturbancess by conduction and coupling – Pa rt 1:
Passenger cars and light commercial vehicles with nominal 12 V supply voltage – Electrical transient
conduction along supply lines only
ISO 7637-3: 1995, Road vehicles – Electrical disturbances by conduction and coupling – Pa
rt 3:
Passenger cars and light commercial vehicle with nominal 12 V supply voltage and commercial
vehicles with 24 V supply voltage – Electrical transient transmission by capacitive and inductive
coupling via lines other than supply lines
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ISO/TR 10605: 1994,
Road vehicles – Electrical disturbances from electrostatic discharge
ISO 11451-1: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Vehicle test methods – Part
1: General and definitions
ISO 11451-2: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Vehicle test methods – Part
2: Off-vehicle radiation source
ISO 11451-3: 1994,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Vehicle test methods – Part 3: On-board transmitter simulation
ISO 11451-4: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Vehicle test methods – Part 4: Bulk current injection (BCI)
ISO 11452-1: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Pa
rt 1: General and definitions
ISO 11452-2: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part 2: Absorber-lined chamber
ISO 11452-3: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part 3: Transverse electromagnetic mode (TEM) cell
ISO 11452-4: 1995,
Road vehicles Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part
4: Bulk current injection (BC!)
ISO 11452-5: 1995, Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part 5: Stripline
ISO/DIS 11452-6:
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part 6: Parallel plate antenna (In preparation)
ISO 11452-7: 1995,
Road vehicles – Electrical disturbances by narrowband radiated electromagnetic
energy – Component test methods – Part 7: Direct radio frequency (RF) power injection
3 Definitions
For the purpose of this section of IEC 839-10, the following definitions apply:
3.1 vehicle security alarm system (VSAS):
A system intended for installation on vehicles, that,
when set, will indicate actions such as attempted intrusion into or interference with the vehicle.
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3.2
control equipment: The component of the VSAS which processes the setting and unsetting
commands and accepts the signals from the detector/sensors to allow an alarm condition to be
indicated.
3.3 detector/sensor: Devices that generate or sense an alarm condition.
3.4 alarm condition: The condition where a detected action has occurred.
3.5 set: The state of the system whereby an alarm condition can be indicated.
3.6 unset: The state of the system whereby an alarm condition cannot be indicated.
3.7 setting – unsetting device: A device/component of the VSAS that is used to set or unset the
VSAS.
A component of the system that gives an indication of an alarm condition.
3.8 warning device:
3.9 deliberately operated device (panic alarm): A facility that can cause the warning device to
operate irrespective of whether the VSAS is in a set or unset state.
3.10 status display: A component of the VSAS which indicates the condition of the VSAS.
3.11 immobilizer: A device which can prevent the use of the vehicle with its own engine.
3.12 perimeter protection: A device designed to detect and signal the opening of any of the
vehicle doors, boot/luggage compartment, bonnet/engine hood.
3.13 volumetric protection: A device designed to detect the intrusion into and movement within
the passenger compartment.
3.14 key: A device designed and constructed to provide a method of operating a system which is
designed and constructed to be operated only by that device.
4 Requirements
4.1 System description
The VSAS shall include, sensor(s)/detector(s), control equipment including setting and unsetting
facilities, power supply, warning device(s) and provision for immobilization of the vehicle. All legal
requirements shall be complied with.
The VSAS shall include at least one acoustic warning device and in addition may include optical
warning devices or remote wirefree signalling devices or any combination of these.
The VSAS may include optical indication to provide information on the status of the VSAS.
The VSAS may include optical and/or acoustic indication to provide information on the change of the
status of the VSAS.
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The VSAS may include other facilities but all facilities shall comply with this standard.
NOTE — The block diagram shown in figure 1 illustrates the connections between the components which shall (solid lines)
or may (dotted lines) be present in the system.
4.2
System design
4.2.1 General
The VSAS in the set condition shall detect and signal the opening of any of the vehicle doors,
boot/luggage compartment, bonnet/engine hood and inhibit the movement of the vehicle under its own
power if this has not already been achieved by an independent immobilizing system.
All the components of the VSAS shall be compatible with each other and, when installed, shall not
affect the performance of the vehicle in the unset condition.
The VSAS shall not, whether set or unset, inadvertently change its state nor cause any warning device
to operate or cease operation.
In the event of power interruption, the VSAS shall not change state on resumption of power.
The failure of any optical devices shall not affect the correct operation of the other pa rts of the VSAS.
The VSAS, its components and the parts controlled by them shall be designed, built and installed in
such a way as to minimize the possibility of false alarms.
NOTE — All VSAS shall be protected against easy and rapid access or tampering by an unauthorized person.
4.2.2 Detection
The VSAS shall provide perimeter protection, that is:
- opening of the vehicle doors;
- opening of the boot/luggage compartment;
- opening of the bonnet/engine hood.
The VSAS may include additional sensors to detect other interference with the vehicle or intrusion into
the vehicle. The operation of such additional sensors may be disabled intentionally by the user.
However this disablement shall only be effective for one setting period of the VSAS.
The VSAS may include a deliberately operated device (panic alarm) which may be activated from
within the vehicle. This device shall operate the acoustic warning device whether the system is set or
unset, but it shall not affect the starting and/or the running of the vehicle.
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The device may also operate an optical and/or radio warning signal independent of the state (set or
unset) and/or function of the VSAS. Such an alarm shall be triggered from within the vehicle and shall
not affect the state of the VSAS. It shall also be possible for the vehicle user to cancel this alarm. In the
case of an audible warning signal, its sounding duration per activation shall not be restricted. Such a
device shall not immobilize the engine or stop it if it is running.
4.2.3 Control
Control equipment shall provide for the connection of circuits capable of accepting the detection
devices.
When the VSAS is set the control equipment shall monitor the sensor(s)/detector(s) and in the event of
an alarm condition being presented shall provide outputs to the warning devices within 1 s.
Unsetting the VSAS by the normal means shall cancel the alarm condition and the warning signals
within 1 s.
4.2.4 Setting/unseating
The VSAS may include optical indication to provide information on the set/unset status of the VSAS.
The VSAS may include optical and/or acoustic indication to provide information on the change of the
set/unset status of the VSAS.
The acoustic signal for the indication of the change of the set/unset status of the VSAS shall not
exceed 65 dB(A) measured 1 m from the device and the duration of the signal shall not exceed 3 s.
The optical signal for the indication of the change of the set/unset status of the VSAS may also be
produced by the hazard warning lamps, the passenger compartment lamp(s) or the vehicle position
lamps (including all lamps in the same circuit) or any combination of the above.
4.2.4.1 Setting
Setting of the VSAS may be achieved by any suitable means.
The perimeter protection as described in 4.2.2 shall be in the set condition within 10 s after completing
the setting procedure of the VSAS. Optional sensors shall be in the set condition within 60 s after
completing the setting procedure.
4.2.4.2 Unsetting
There shall not be visible indication of any unsetting code on any component of the VSAS.
Unsetting of the VSAS shall be achieved by any one, or a combination of the following.
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a) If it is a mechanical key switch:
The key switch shall be either:
-
an integrated key mechanism and switch; or
– the door-locking mechanism coupled to a separate switch, in which case it shall not be
possible to unset the VSAS by using the internal door-locking mechanism.
The cylinder of the key switch shall not protrude by more than 1 mm from the cowling and the
protruding part shall be conical or convex.
The joint between the cylinder core and the cylinder casing shall be capable of withstanding a tensile
force of 600 N. It shall also, separately, withstand a torque of 25 Nm.
The key switch shall be provided with a cylinder drill obstruction.
The key profile shall have at least 1 000 effective permutations.
The key switch shall not be operable by a key which differs by only one permutation from the key
matching the key switch.
The key ape rture to an external key switch shall be shuttered or otherwise protected against the
ingress of dirt and/or water.
b) If this is a coded key switch:
The coded key switch shall be fitted within the vehicle in conjunction with a timed entry period, see d).
This switch shall have not less than 10 000 effective combinations.
c) If this is an electrical/electronic device other than those covered in b):
An electricaVelectronic device, e.g. remote control switch, shall have a coded transmitter signal with at
least 50 000 effective combinations and have a minimum scan time of 24 h per 5 000 variants or shall
incorporate rolling codes such that the mathematical chance of obtaining the correct code within 24 h
is less than 4 %.
d) If this is a mechanical key switch or an electrical/electronic device within the protected
passenger compartment:
If this key switch/device is fitted within the vehicle in conjunction with a timed entry period, the time
allowed to unset the VSAS after the opening of the door, shall be not less than 5 s and not more than
15 s.
4.2.5 Warning signal
The alarm condition shall be indicated by an acoustic warning signal.
This acoustic warning signal shall be produced by either:
an acoustic warning device; or
– a sound signalling device in accordance with ISO 512; or
– both of these, in which case interference with either device shall not affect the operation of the
other device.
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The acoustic warning signal shall not cause any confusion concerning the reason for the warning and
shall not sound the same as other signals used in road traffic, e.g. for emergency services.
The alarm condition may be indicated in addition by (an) optical warning signal(s) or by remote wirefree
signalling or any combination of these.
The warning signal shall be activated once for every detection without limitation of the number of
detections.
4.2.5.1 Acoustic warning signal
The duration of the acoustic warning signal shall be 25 +50 per detection.
The acoustic warning signal shall be within the frequency band of 1 800 Hz and 3 550 Hz.
The maximum sound pressure level shall not exceed 125 dB(A) and the minimum shall not be less
than 105 dB(A).
The acoustic warning signals shall have the following characteristics:
a) Constant tone
The sound shall be intermi ttent with:
- frequency: 2 Hz t 1 Hz;
- on time, equal to off time t 10 %.
b) Modulating tone
This sound may be two or more frequencies or sweeps between these frequencies.
4.2.5.2
Optical warning signal (optional)
If optical warning signals are provided they shall be emitted by all direction indicators and/or all position
lamps (including all lamps connected to them) of the vehicle. In addition the optical warning signal may
be emitted by the passenger compartment lamp(s).
The optical warning signals shall be in compliance with statutory limitations.
The duration of the optical warning signal shall be between 25 s and 300 s per detection.
The optical warning signals shall be intermi
ttent with:
– frequency: 2 Hz ± 1 Hz;
– on time, equal to off time ±10 %.
In relation to the acoustic warning signal, the optical warning signal may be synchronous or
asynchronous.
Any interference or damage to optical warning devices shall not affect the correct operation of the
acoustic warning device and vice versa.
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4.2.6 Immobilization
The vehicle shall be automatically immobilized within 1 s of setting the VSAS unless this has already
been implemented by an independent immobilizer.
If an existing immobilizer has already been incorporated it shall meet the requirements of this standard.
The immobilization shall not take place if the engine is running or if the ignition key is in the engine
running position.
The immobilizer shall include at least two independent means of preventing movement of the vehicle
under its own power. Examples of suitable independent means are:
- original mechanical protective device against unauthorized use;
interruption of starter motor;
- interruption of ignition;
-
interruption of fuel supply.
The design, manufacture and installation of an immobilizer shall ensure that in the event of malfunction
of that facility:
–
it does not affect the safe function of the vehicle whether the VSAS is in the set or unset
condition;
–
it does not affect the performance of the vehicle or its components when the VSAS is in the
unset condition.
4.2.7 Power supply
4.2.7.1
Main power supply
The main source of power for the VSAS shall be the vehicle battery.
The supply voltage, in the environmental temperature range shall be as follows:
– nominal supply voltage: 12 V;
-
supply voltage range: 9 V < U < 15 V.
The current consumption of the VSAS in the set state, including all its sensors, shall not exceed 20 mA
(mean value) at nominal voltage.
NOTE — It is proposed that this requirement will be reduced to 10 mA at the nominal voltage at/or before the first revision of
this standard which is expected to be no more than five years after its publication.
4.2.7.2 Standby power supply for the VSAS (optional)
Where a standby power supply for the VSAS is provided it shall consist of a rechargeable battery and
charger. Primary batt
eries shall not be used as a source of standby power supply. The capacity of the
standby power supply for the VSAS shall be sufficient to operate the VSAS in the quiescent condition
for at least 120 h, followed by an alarm condition for at least 300 s.
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4.2.7.3 Self-powered acoustic device (optional)
If a self-powered sounder is provided, it shall be operated by a rechargeable battery and charger.
Primary batt
eries are not allowed. The battery capacity shall be sufficient to operate the sounder for at
least 300 s. The sounder shall operate automatically if the main power supply is interrupted or run
down.
The sounder shall also operate automatically if any or all of the wires connected to it are cut or
disconnected.
4.2.8 Construction
The VSAS and its components shall be designed, built and installed to withstand the environment
within the vehicle.
Two classes of environmental temperature are defined as follows:
a) –40 °C to +85 °C for parts to be fitted in the passenger or luggage compartment;
b) –40 °C to +125 °C for part
s to be fitted in the engine compartment unless otherwise specified.
The following degrees of protection, in accordance with IEC 529, shall be provided:
– IP40 for parts to be fitted in the passenger compartment;
–
IP42 for parts to be fitted in the passenger compartment of roadsters/convertibles and cars
with moveable roof-panels if the installation location requires a higher degree of protection than
IP40;
– IP54 for all other pa rts.
The VSAS manufacturer shall specify in the installation instructions any restrictions on the positioning
of any part
of the installation with respect to dust, water and temperature.
4.3 Documentation
The VSAS manufacturer or impo
rter shall supply for each system:
– instructions for use;
–
instructions for maintenance;
- energy consumption.
In the case of a VSAS intended for fitting after delivery of the vehicle, a list of the vehicles and models
for which the VSAS is intended and installation instructions shall be provided. This list may be specific
or generic, e.g. "all cars with petrol engines and 12 V negative earth batteries".
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5 Tests
5.1 General
The complete system, as supplied, shall be assembled in accordance with the instructions supplied by
the manufacturer. Each component, unless specified otherwise, shall be mounted on a test rig in an
orientation appropriate for normal use, by the means recommended by the manufacturer.
The inputs to the VSAS shall be connected to devices or circuitry able to supply or simulate the
presence of the appropriate input signals.
Each output from the VSAS shall be connected to suitable monitoring equipment.
Unless specified otherwise, the VSAS shall be powered from the nominal supply voltage 12 V ± 0,2 V.
Unless otherwise specified the test conditions shall be applied as given in table 1.
Table 1 – Atmospheric conditions
Temperature Relative humidity Air pressure
°C % kPa
15 to 35
25 to 75 86 to 106
NOTE — Vari
ations in temperature and humidity should be kept to a minimum during a series of measurements carried out
as a pa
rt of one test on one specimen.
Where the relevant specification recognizes that it is impracticable to car ry out measurements in these
standard atmospheric conditions, a note stating the actual conditions shall be added to the test repo rt .
The tests shall be carried out on a complete system, which shall be in a fully operational state. Unless
specified otherwise the VSAS shall be in the set condition.
5.2 Test procedures
5.2.1
Full functional test
The VSAS shall be tested to demonstrate the compliance with the requirements of clause 4.
This test shall be performed prior to all other tests and following completion of all other tests.
Outputs from the first functional test shall be recorded and used as comparison for subsequent basic
tests.
During this test, the VSAS shall not, whether set or unset, inadvertently change its state nor cause any
warning device to operate or cease operation.
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5.2.2
Basic test
The basic test shall be carried out on completion of each test programme.
The basic test shall be carried out in addition during the programme tests where it is specified.
The basic test shall be carried out as follows:
a) check that the VSAS is in the unset condition;
b) set the VSAS;
c) check that the output to the immobilizer circuit has been activated within 1 s;
d)
initiate an alarm condition by operating a sensor/detector;
e)
check that the output to the warning device(s) circuit has been activated in accordance
with 4.2.3;
f) unset the VSAS;
g) check that the output to the immobilizer circuit has been de-activated;
h)
check that the output to the warning devices is not active.
During the tests, the VSAS shall not, whether set or unset, inadvertently change its state, nor cause
any warning device to operate or cease operation.
5.3 Test conditions
The lamps which are used as pa rt of the optical warning device and which are included in the standard
car lighting system shall not have to be submitted to tests listed below.
5.3.1 Electrical tests
5.3.1.1 Excess voltage
The VSAS, in both set and unset states, shall be submitted to an excess voltage equal to 18 V ± 0,2 V
for 1 h.
The VSAS shall then meet the requirements specified in the basic test.
The VSAS, in both set and unset states, shall be submitted to an excess voltage equal to 24 V ± 0,2 V
for 1 min.
The VSAS shall then meet the requirements specified in the basic test.
5.3.1.2 Short circuit
A short
circuit shall be applied to each individual electrical connection of the VSAS in turn with respect
to each polarity of the power supply.
All blown fuse(s) shall be replaced.
The VSAS shall then meet the requirements specified in the basic test.
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5.3.1.3
Reverse polarity
A voltage of 13 V ± 0,2 V shall be appl
...
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