Continental Automotive Systems DHFNA433 Smart Key Fob User Manual

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Document ID	1930451
Application ID	7i2lR6YNmwaLl17VrTUn/g==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	37.51kB (468922 bits)
Date Submitted	2013-04-02 00:00:00
Date Available	2013-04-02 00:00:00
Creation Date	2013-04-02 15:52:11
Producing Software	Acrobat Distiller 10.0.0 (Windows)
Document Lastmod	2013-04-02 15:52:11
Document Title	Microsoft Word - User Manual for DH_Fob_ENG_FCC 향 편집_매뉴얼용
Document Creator	PScript5.dll Version 5.2.2
Document Author:	Administrator

Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
Document :
User Manual for Smart Key Fob
Model :
SVI-DHFNA433
Project Code :
Version:
1.0
Date:
Nov. 08. '12
Engineering change order-No.:
Design Freeze No.:
Number of pages:
Filename:
CASCO
Identification No. :
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
Contents list
1.
1.1
1.2
1.2.1
1.2.2
1.2.3
1.3
Editor :
BH.Lee
Version:
1.0
File:
Page
System configulation
Scope of SMART KEY SYSTEM
Short description of the SYSTEM
General Definition of SMART KEY
Wireless Communication
Concept Description
System Overview
SMK Fob Operation
Homologation
Nov. 08. 2012
Document name
Project code
ECO / DF No.
Identification No. : Document No.
Page 2 / 6
.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
1. System configulation
1.1
Scope of SMART KEY SYSTEM
The System offers the following features:

passive access for two doors, driver side and passenger side as well as trunk/tailgate

passive start after interior detection of the SMART KEY FOB (without interior trunk and
hat shelf detection)

LF-RF communication

passive access trunk/tailgate via the trunk lid switch at the trunk

max. 2 SMART KEY FOBs can be handled by the system

communication to the engine management system via a single line interface

communication to the ESCL via a single line interface
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1.2
Short description of the SYSTEM
1.2.1
General Definition of SMART KEY
The SMART KEY system is a system that allows the user to access and operate a
vehicle in a very convenient way. To access the vehicle no traditional key or remote
control unit is needed.
The user carries a SMART KEY FOB which itself does not require any conscious
actions by the user (e.g. operate a button).
After being triggered the vehicle sends out a request in a limited range. If the
SMART KEY FOB receives this request, it automatically sends a response to the
vehicle. Then the system decides whether to perform a particular action (unlocking,
locking…) or remain inactive.
1.2.2
Wireless Communication
Electromagnetic waves are used to exchange information between the vehicle and the
SMART KEY FOB. Both, vehicle and SMART KEY FOB are equipped with a transmitter,
a receiver and several antennas.
1.2.3
Concept Description
With this concept it is possible to have a set of interior antennas that covers the vehicle’s
interior and a set of exterior antennas that covers the vehicle’s exterior.
For an unambiguous separation between the vehicle’s interior and exterior it is sufficient
that at least one area is covered exactly by the corresponding operating ranges of the
antennas.
The functions of the SMART KEY system have to be provided in a clearly defined and
limited range. For the up-link from the vehicle to the SMART KEY FOB, a magnetic field
with a frequency of 125 kHz and ASK modulation is used. Inductive antennas in and at
the vehicle radiate the electromagnetic energy.
Editor :
BH.Lee
Version:
1.0
Document name
Project code
ECO / DF No.
File:
Nov. 08. 2012
Identification No. : Document No.
Page 3 / 6
.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
Technical aspects of 125 kHz – magnetic field:
 virtually no reflections,

cubical decrease of field strength  allows good range control,

released frequency band (ISM),

high penetration,

low quiescent current demand due to 125 kHz input stage (SMART KEY FOB),

less sensitive for detuning compared to higher frequency.
For the down-link from the SMART KEY FOB to the vehicle, the standard radio frequency
(RF) is used (similar to the classic remote control functions) with FSK modulation.
1.3
System Overview
ECU sends LF challenge via exterior antenna
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ID tag sends identification code to RF receiver
Doors are unlocked automatically
User pulls open the door
Figure 1: Principle of Communication
Editor :
BH.Lee
Version:
1.0
Document name
Project code
ECO / DF No.
File:
Nov. 08. 2012
Identification No. : Document No.
Page 4 / 6
.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
2. Smart Key Fob operation
2.1 Button operation for homologation
Lock
Unlock
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung
Trunk
Panic
You can lock, unlock, trunk and panic warning your vehicle with this remote transmitter.
Lock
When you push this button, all the doors will be locked.
You can not lock any of the doors with this remote transmitter if any door is open or the key
is in the fob holder.
Unlock
- When you push this button, all the doors will be unlocked.
- You can not unlock any of the doors with this remote transmitter if any door is open or the
key is in the fob holder.
Trunk
When you push this button more than 1 second, the trunk will be opened.
Panic
When you push this button for 1 second, Horn will alarm.
Editor :
BH.Lee
Version:
1.0
Document name
Project code
ECO / DF No.
File:
Nov. 08. 2012
Identification No. : Document No.
Page 5 / 6
.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
3. Homologation
FCC Compliance Statement.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions :
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including
interferencethat may cause undesired operation.
Do Not
Any changes or modifications to the equipment not expressly
approved by the party responsible for compliance could void
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung
user’s authority to operate the equipment.
IC Compliance Statement.
This device complies with Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Le present appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio
exempts de licence. L’exploitation est autorisee aux deux conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage, et
(2) l’utilisateur de l’appareil doit accepter tout brouillage radioelectrique subi, meme si le
brouillage est susceptible d’en compromettre le fonctionnement.
Editor :
BH.Lee
Version:
1.0
Document name
Project code
ECO / DF No.
File:
Nov. 08. 2012
Identification No. : Document No.
Page 6 / 6

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