Continental Automotive Systems 5WY7976 Inductive System, Vehicle Immobilizer User Manual Users manual

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Document ID	877357
Application ID	futFul2aKIMwikAg23o3QQ==
Document Description	Users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	11.24kB (140454 bits)
Date Submitted	2007-12-10 00:00:00
Date Available	2007-12-10 00:00:00
Creation Date	2007-11-16 15:15:11
Producing Software	Adobe Acrobat 8.1
Document Lastmod	2007-11-19 13:37:10
Document Title	Microsoft Word - 5WY7976 - Annex No 9 _Technical description_.doc
Document Creator	PScript5.dll Version 5.2
Document Author:	Chritoph Rennemeier

Annex No.5
Page 1 of 6
Technical description
5WY7976
Siemens VDO
FORD PATS Clip-On
5WY7976
Homologation Support Documents
SV C BC P2 RF LF
RF Engineer
Aris Lambropoulos
Tel: (248) 764 -6771
aris.lambropoulos@siemen s.com
2. Module Housing
The module assembly contains a bobbin assembly, a printed circuit board assembly, and a top cover. The
bobbin assembly and top cover are a g lass filled nylon material, PBT -GF20. A four -pin connector and
antenna ring are injection molded into the bobbin assembly. The PCB is 1 Oz. Copper, double sided, all
SMD components will be affixed to the PCB by a double -sided IR reflow process. The PCB will mount to
the housing via six press fit pins. The wire antenna is connected to the PCB by two of the six press fit pins.
The top cover attaches to the bobbin assembly with four snaps and helps protect the wire antenna and PCB.
SV C BC P2 RF LF
RF Engineer
Aris Lambropoulos
Tel: (248) 764 -6771
aris.lambropoulos@siemen s.com
4. Interface Requirements
4.1 PATS Clip_On Connector
Mechanical Connector
Front View Looking Into Connector
Pin
Pin
Description
Steady
State
Current
(Key Off)
Ignition
Ground
TX
0 mA
0.015 mA
0 mA
RX
(SCI-out)
0 mA
Steady
State
Current
(Key
Run/Start)
50 mA
50 mA
12 mA for
50 ms
12 mA
< 1 sec.
Operating
Voltage
Frequency
or /MIN BIT
Width
Duty
VBatt
0v
0 – VBatt
DC
DC
64 µs
DC
DC
VAR.
0 – VBatt
15.625kbaud
VAR.
Table 1 Pin Description
SV C BC P2 RF LF
RF Engineer
Aris Lambropoulos
Tel: (248) 764 -6771
aris.lambropoulos@siemen s.com
4.2 Terminal Definitions and Characteristics
All inputs and outputs shall be capable to withstand any single point failure of a short to battery or ground,
through any resistive path, without phys ical damage to the component while the fault is occurring, and any
physical damage and/or functional degradation once the fault is removed. .
4.2.1 PATS Clip_On Permanent Battery and Ground Connections
Signal Name
Ignition
Signal Function
Power to the module
Electrical Characteristics
Min Operating Voltage:
7V
Max Operating Voltage:
24 V
Inom @12.0 V:
32mA
Ground
Ground to the module
Inom @ 12.0 V:
32mA
Table 2 Battery and Ground Connection Ratings
4.2.2 PATS Clip_On Input
All digital inputs shall meet the applicable Generic Body Module SDS requirements unless otherwise agreed
to by Ford Motor Company
Signal ID
Functional Name
Tx Input
Transmit Data
Active (On) State
Low
Inactive (Off)
State
High (1KOhm
pull up resistor)
Min Logical
High
Threshold
Max.
Logical
Low
Threshold
3.97 V
3.04V
Table 3 Tx Input
The given limits include a maximum GND voltage shift between SJB Logic GND and switch GND of ± 1 V.
4.2.3 PATS Clip_On Output
Signal ID
Type of
Output/
Driver
Minimum
functional
voltage
Maximum
functional
voltage
Minimum
performance
voltage
Maximum
performance
voltage
Output short
circuit
protection
Rx Output
Low Side
Driver
7V
24V
7V
24V
Provided
Table 4 Rx Output
SV C BC P2 RF LF
RF Engineer
Aris Lambropoulos
Tel: (248) 764 -6771
aris.lambropoulos@siemen s.com
Characteristics:
•
•
•
•
•
Short circuit to ground and overload protections are provided
Maximum Low output voltage: 0.58V
Operating Current at Nominal Voltage (12.0V)= 12mA
Nominal Frequency= 15.625KHz
Minimum/Maximum Frequency= 14.843KHz/16.407 KHz
4.2.4 Serial Communication
The transceiver is to communicate transponder data to the Control function using a 15.625 kHz +/ - 5% serial
communications interface signal. The signal is to be in standard UART format with one start bit and one
stop bit, and no p arity. The signal exiting the transceiver module shall be asserted low (ground).
The serial communication will exactly mirror the transponder receive signal, except for the addition of
diagnostic bytes and start and stop bits. This means that a transponde r "1" signal, as specified by the
appropriate transponder ES, will correspond to a UART "1" signal .
Label USA, Canada
Siemens VDO
5WY7976
FCC ID:M3M5WY7976
IC267F-5WY7976
Note Owner Manual:
This device complies with Part 15 of the FCC Rules. Operat ion 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.
Caution:
Any changes or modific ations not expressly approved by the party responsible
for compliance could void the user's authority to operate this equipment.
Canada:
Operation is subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) th is device must accept any interference received, including interference that
may cause undesired operation.
SV C BC P2 RF LF
RF Engineer
Aris Lambropoulos
Tel: (248) 764 -6771
aris.lambropoulos@siemen s.com

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