Continental Automotive Systems 2NDFNA04 Remote Keyless Entry User Manual SVI 2NDFNA04 Manual

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Document ID	859905
Application ID	RF8zFmYGflEa+91qUpMaiw==
Document Description	Users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	7.18kB (89747 bits)
Date Submitted	2007-10-25 00:00:00
Date Available	2007-10-25 00:00:00
Creation Date	2007-10-24 16:34:34
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2007-10-24 16:34:34
Document Title	Microsoft Word - SVI-2NDFNA04 Manual.doc
Document Creator	PScript5.dll Version 5.2.2
Document Author:	geoffrey_do

SIEMENS Automotive systems Corp.
SASCO
Functional Description /
User Manual
SIEMENS Automotive Systems Corp.
Radio frequency remote control system
for
TG/EN/BH of HMC
Page 1 of 5
SIEMENS Automotive systems Corp.
SASCO
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
interference
that may cause undesired operation.
Do Not.
Any changes or modifications to the equipment not expressly
approved by the party
responsible for compliance could void user’s authority to operate
the equipment.
Page 2 of 5
SIEMENS Automotive systems Corp.
SASCO
FUNCTIONAL DESCRIPTION
1 System Components
This is a remote keyless entry (RKE) system of a vehicle for TG/EN/BH of HMC. It
consists of the Stand alone- type receicer(SRx) which is corresponding the RKE
transmitter. SRx has implemented on board with RF generic receiver device
The described system is a radio-frequency remote controler for central doors locking /
unlocking, trunk release and panic activities. This system will be a part of the equipment of
the HMC TG/EN/BH vehicles.
The system is composed of the following ones:
transmitter with 3/4 buttons (doors locking, door unlocking, trunk release and panic)
*Panic is applied just for 4buttons variant.
System Operation:
To serve a remote keyless entry system remote keyless entry function is provided by the
RF system of the SRx and the RKE transmitter. The functions are operated as below.
Identifier
RF Key
Start code
RF
emission
Host
BCM
SRx
receiver
Communication
Line
Remote keyless Entry:
The RKE transmitter transmits at 433.92 MHz for Europe ( or 315MHz for NA, CHN) an
FSK modulated data signal to the SRx. The RF system of SRx receives this encrypted RF
signal. The SRx send the signal to corresponding the host Body control module through
single wired K-line bus then the host module broadcasts the requested remote commands
to the appropriate control modules in the vehicle through CAN –communication line . In
general the following functions are provided:
Lock the doors
Unlock the doors
Release the trunk
Panic Alam (applying just for 4button)
Page 3 of 5
SIEMENS Automotive systems Corp.
SASCO
2 Variants:
Freq.
315MHz
433MHz
315MHz
433MHz
Button
Country
NA
CHN
EU
CHN
EU
Model No.
SVI-2NDFNA04
SVI-2NDFCH04
SVI-2NDFEU04
SVI-2NDFCH03
SVI-2NDFEU03
3 Block diagram
3.1 Block diagram RKE transmitter(for 315/433.92MHz):
Page 4 of 5
SIEMENS Automotive systems Corp.
SASCO
4 Technical Data transmitter
Carrier frequency:
Output power:
Modulation:
Frequency Generation:
Number of channels:
Supply voltage:
Battery type:
Range:
315.00MHz± 150kHz / 433.92MHz ± 150kHz
< 10mW (EU, CHN)
< 75.6dBuV/m (NA)
FSK
PLL device
3V
Lithium, CR 2032
> 10m
8. Typical usage pattern RKE transmitter
30 lock / unlock operations in 24 hours with a typical transmission duration of
270 milliseconds → 1.25 lock / unlock operations / hour
Transmitter ON
0.3375
seconds / hour
Transmitter OFF
3,599.6625 seconds / hour
Duty Cycle: TON / T (ON+OFF) x 100% = 0.3375 / 3,600 x 100 % = 0,009 %
Page 5 of 5

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