EN 50436-4:2019

Alcohol interlocks - Test methods and performance requirements - Part 4: Connection and digital interface between the alcohol interlock and the vehicle

EN 50436-4:2019

Name:EN 50436-4:2019   Standard name:Alcohol interlocks - Test methods and performance requirements - Part 4: Connection and digital interface between the alcohol interlock and the vehicle
Standard number:EN 50436-4:2019   language:English language
Release Date:07-Feb-2019   technical committee:CLC/BTTF 116-2 - Alkohol-Interlocks
Drafting committee:CLC/BTTF 116-2 - Alkohol-Interlocks   ICS number:43.040.10 - Electrical and electronic equipment

SLOVENSKI STANDARD
01-april-2019
Alkoholne zapore - Preskusne metode in zahtevane lastnosti - 4. del: Konektor in
digitalni vmesnik med alkoholno zaporo in vozilom
Alcohol interlocks - Test methods and performance requirements - Part 4: Connection
and digital interface between the alcohol interlock and the vehicle
Alkohol-Interlocks - Prüfverfahren und Anforderungen an das Betriebsverhalten - Teil 4:
Verbindung und digitale Schnittstelle zwischen dem Alkohol-Interlock und dem Fahrzeug
(WK\ORWHVWVDQWLGpPDUUDJH0pWKRGHVG
HVVDLVHWH[LJHQFHVGHSHUIRUPDQFH3DUWLH
&RQQH[LRQHWLQWHUIDFHQXPpULTXHHQWUHO
pWK\ORWHVWDQWLGpPDUUDJHHWOHYpKLFXOH
Ta slovenski standard je istoveten z: EN 50436-4:2019
ICS:
13.200 3UHSUHþHYDQMHQHVUHþLQ Accident and disaster control
NDWDVWURI
43.040.80 6LVWHPL]D]DãþLWRSULWUNXLQ Crash protection and
VLVWHPL]D]DGUåHYDQMH restraint systems
SRWQLNRY
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50436-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2019
ICS 43.040.10, 71.040.40
English Version
Alcohol interlocks - Test methods and performance requirements
- Part 4: Connection and digital interface between the alcohol
interlock and the vehicle
Ethylotests antidémarrage - Méthodes d'¿essais et Alkohol-Interlocks - Prüfverfahren und Anforderungen an
exigences de performance - Partie 4: Connexion et das Betriebsverhalten - Teil 4: Verbindung und digitale
interface numérique entre l'éthylotest antidémarrage et le Schnittstelle zwischen dem Alkohol-Interlock und dem
véhicule Fahrzeug
This European Standard was approved by CENELEC on 2018-12-10. 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: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50436-4:2019 E
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references. 6
3 Definitions . 6
4 Connection between alcohol interlock and vehicle . 7
4.1 Installation document . 7
4.2 Data bus specification . 7
4.3 Behaviour of the vehicle . 7
4.4 Properties of a connector . 8
5 Basic connection architecture for the data bus . 8
6 Communication . 9
6.1 General . 9
6.2 The communication states of the vehicle . 9
6.2.1 General . 9
6.2.2 The vehicle communication state Protocol Validation . 9
6.2.3 The vehicle communication state Set Mode .10
6.2.4 The vehicle communication state Unset Mode .10
6.2.5 The vehicle communication state Shutdown .10
6.2.6 Transitions from Unset Mode to Set Mode .10
6.3 The communication states of the alcohol interlock .11
6.3.1 General .11
6.3.2 The alcohol interlock communication state Activated .11
6.3.3 The alcohol interlock communication state Protocol Validation .11
6.3.4 The alcohol interlock communication state Service Information .12
6.3.5 The alcohol interlock communication state Warm Up .12
6.3.6 The alcohol interlock communication state Test Request .12
6.3.7 The alcohol interlock communication state Analysing .13
6.3.8 The alcohol interlock communication state Result .13
6.3.9 The alcohol interlock communication state Wait Ignition .13
6.3.10 The alcohol interlock communication state Idle .14
6.3.11 The alcohol interlock communication state Lockout .14
6.3.12 The alcohol interlock communication state Service .15
6.3.13 The alcohol interlock communication state Error .15
6.4 Interaction between vehicle and alcohol interlock .15
7 LIN implementation of the communication states .15
7.1 General .15
7.2 Identifier .15
7.3 Coding of data bus signals .16
7.3.1 General .16
7.3.2 Vehicle to alcohol interlock .16
7.3.3 Alcohol interlock to vehicle .16
7.3.4 Alcohol interlock status frame .17
7.4 Signal Validation and error handling .17
7.5 LIN services .17
7.5.1 Assign Frame identifier .17
7.5.2 LIN Product identification of interlock system .17
7.5.3 Generic integration into vehicle .17
7.5.4 Configuration.20
8 Communication states and corresponding LIN messages.20
8.1 Vehicle communication states and corresponding frames.20
8.1.1 Protocol Validation .20
8.1.2 Set Mode .21
8.1.3 Unset Mode .21
8.1.4 Shutdown .22
8.2 Interlock communication States and corresponding Frames .22
8.2.1 Coding of the blocking state and the non-blocking state indication.22
8.2.2 Interlock Message Response: .22
8.2.3 Interlock Message Response: .22
8.2.4 Interlock Message Response: .23
8.2.5 Interlock Message Response: .23
8.2.6 Interlock Message Response: .23
8.2.7 Interlock Message Response: .23
8.2.8 Interlock Message Response: .24
8.2.9 Interlock Message Response: .24
8.2.10 Interlock Message Response: .25
8.2.11 Interlock Message Response: .25
8.2.12 Interlock Message Response: .25
8.2.13 Interlock Message Response: .25
9 System safety analysis .26
Annex A (informative) Examples of vehicle – alcohol interlock interactions .27
Annex B (informative) State Transition tables .36
Annex C (informative) System safety analysis .38
Annex D (informative) Example for a LIN 2.0 description file .41
Annex E (informative) Example for a LIN 2.2 description file .45
Annex F (informative) LIN conformance testing .49
Bibliography .50

European foreword
This document (EN 50436-4:2019) has been prepared by CLC/BTTF 116-2 “Alcohol Interlocks”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2019-12-10
implemented
at national level by publication of an identical
national standard or by endorsement
• latest date by which the national standards conflicting (dow) 2021-12-10
with this document have to be withdrawn
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.
Introduction
The purpose of alcohol interlocks is to enhance traffic safety by preventing persons with alcohol
concentrations exceeding a set limit value from driving a motor vehicle. The European Standard series
EN 50436 specifies test methods and essential performance requirements for alcohol interlocks and
gives guidance for decision makers, purchasers and users.
There are several areas in which alcohol interlocks may be used:
— installed in a vehicle as a general preventive measure for the promotion of traffic safety, on a
voluntary base or required legally in certain vehicles (e.g. vehicles for children transport), or
— in vehicles as ordered by a court or an administrative authority as part of a drink-driving offender
programme, or
— for persons subject to a medical or rehabilitation programme.
Alcohol interlocks are often intended for after-market installation. For
...

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