VALOR TPMS203-CANBUS TPMS-CANBUS User Manual Y5DTPMS203 CANBUS

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Document ID	1401969
Application ID	7P9ZB2S2a7JgzHhN0tdpWw==
Document Description	Y5DTPMS203-CANBUS_User manual.rev2
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
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Filesize	10.69kB (133587 bits)
Date Submitted	2011-01-10 00:00:00
Date Available	2011-01-13 00:00:00
Creation Date	2011-01-10 11:40:53
Producing Software	Acrobat Distiller 8.1.0 (Windows)
Document Lastmod	2011-01-10 11:40:53
Document Title	Microsoft Word - Y5DTPMS203-CANBUS_User manual
Document Creator	PScript5.dll Version 5.2
Document Author:	Administrator

CAN module
CANBUS USER MANUAL
1.1. REQUIREMENTS
1.1.1.
PHYSICAL REQUIREMENTS
The module shall be compatible with various types of power supply for different commercial vehicles,
mainly 12V and 24V.
Normal operating conditions：
•
Operating temperature： -40℃—+85℃；
•
Relative humidity： 45%—75%；
•
Pressure： 86Kpa—106Kpa（absolute pressure value）；
•
Storage temperature range：-40℃—+85℃.
1.1.2.
FUNCTION REQUIREMENT
CAN module shall be able to receive, process, analyze, store and transmit data from the sensors and the
tool. Its main functions are as follows:
•
Reliable data receiving: the receiving rate shall > 90%
•
Time setting
•
Data storage
•
Serial Port data transmission
•
Sensor ID registration
The module communicates with TPMS Smart Tool and realizes ID LEARNING. After TPMS is started, the
CAN module will transmit its ID to TPMS Smart Tool by RF. Then the Sensor ID of each tire will be learned
by TPMS Smart Tool. All the Sensors ID and CAN module ID in the TPMS Smart Tool are transmitted to
CANBUS again for registration. Besides, the data of pressure and temperature of tires will be transmitted
by CANBUS, not by RF.
1.1.3.
PROPERTIES REQUIREMENT
•
Reverse polarity requirements: after one-minute connection of reverse polarity, the product shall
be able to function properly with normal power supply;
•
Receiver’s contact discharge level is 8KV, air discharge level is 15KV.
1.2. CAN MODULE PRINCIPLE
CAN module is used to receive wireless information, and appropriately process and display information.
Main parts and functions of CAN module are：
•
R/F receiver module decodes high frequency signal transmitted by tractor’s transmitting module
and transceiver module; then it sends the data package to MCU through SPI port.
•
MCU analyzes data information in the data package. In the case of tire pressure sensor signal,
sensor ID will be analyzed. If sensor ID is the same with its predetermined ID information, its
temperature and pressure information will be collected and processed; once sensor ID is different with its
predetermined ID information, the data will not be considered as that vehicle’s tire data and will not be
processed.
•
Power system will change 12V or 24V vehicle power supply into normal operating voltages for
different modules.
CAN module
•
Memory module records tire information stored by the receiver (if any abnormality occurred in
any tire, the tire information will be immediately stored), the data can be downloaded to a computer
through Serial Port or wirelessly for analysis.
1.3. CAN MODULE PERFORMANCE DISCRIPTION
1.3.1.
MODULE INTERFACE CIRCUIT AND INSTALLATION DIMENSION
Note: ANT is antenna interface. Wire is extended to vehicle chassis. Length of wire is defined by vehicle
manufacturer according to different vehicle models.
1.3.2.
DEFINITION OF PORT
z CAN BUS port：
Socket type: MOLEX 39-01-2060 or 5569-06AIS(corresponding plug model as 39-01-2060 or
5557-06R) 6pin
Definition of pin：
5 pin
2 pin
GND
（black）
VIN（DC24/12V
compatible, red）
z RF port：
REVERSE SMA port (90° angle)
3 pin
6pin
CANH（yellow）
CANL（green）
CAN module
1.3.3.
FUNCTIONS
1.3.3.1.
HIGH PRESSURE WARNING
When tire pressure is≥10.8Bar（8.3*1.3）, high pressure warning level two, potential risky status, driver
shall stop the vehicle and adjust tire pressure immediately.
When tire pressure is≥9.5Bar（8.3*1.15）, high pressure warning level one, it calls driver’s attention to
tire pressure and adjust tire pressure accordingly.
1.3.3.2.
LOW PRESSURE WARNING
When tire pressure is < 7.4Bar（8.3*0.9）, low pressure warning level one, it calls driver’s attention to
tire pressure and adjust tire pressure accordingly.
When tire pressure is< 6.6Bar（8.3*0.8）, low pressure warning level two, potential risky status, driver
shall stop the vehicle and adjust tire pressure immediately.
1.3.3.3.
HIGH TEMPERATURE WARNING：
When tire pressure is≥80℃, it gives out high temperature warning, driver shall stop the vehicle and
lower the temperature of the tire.
1.3.3.4.
FAST LEAKAGE WARNING：
When the tire pressure loss is ≥0.33Bar within 16s, it gives out fast leakage warning, driver shall stop the
vehicle and make appropriate treatment.
1.3.3.5.
NON-RECEIVING DATA WARNING：
When the system does not receive tire pressure information for more than 20 minutes, it gives out nonreceiving data warning.
1.3.3.6.
CAN BUS COMMUNICATIONS
When any of the above 5 kinds of information is received, the system will send data to ICM through CAN
BUS for processing.
1.3.3.7.
DATA STORAGE
The system can store 4300 of tire information. Under normal conditions, data shall be stored every 30
minutes; under abnormal condition, data shall be stored every 10s. When abnormality occurs in any tire,
the stored information shall be reviewed. The function is similar to Black Box.
1.3.3.8.
ID LEARNING
The module communicates with TPMS Smart Tool and realizes ID LEARNING;
To make integration of TPMS to vehicles simple, save installation time, our proposed installation process is
as follows:
CAN module
st
ar
Sensors
preparati
on
Use tool, read
tire ID,
establish oneto-one
relationship
between tire
ID and tire
location
Sensor
installed
onto
wheels
Tires
installation
line
Tires
installati
on
write tire ID and
location into
receiving module
by TPMS smart
tool
Receivin
module
installati
on
1.3.3.9.
•
•
•
•
Chassis
installatio
n line
wiring
Test
End
Body
instal
lation
line
CAN BUS COMMUNICATIONS PROTOCOL
CAN BUS communications protocol is based on J1939
Transmission rate: 250Kbits/S
CAN2.0B, Extended Super Frame
Recommend circuit：
Note:The load resistor (marked R223)whether to need depends on the CAN bus design.
•
Communications time sequence:
1）Under normal conditions: All tire data are transmitted every 10S after the first data is received; the
time interval between every two tires is 100ms.
CAN module
2）Under abnormal conditions: When an abnormal data is received, it will be transferred through CAN
BUS immediately.
3）Under abnormal conditions: All abnormal tire data are transmitted every 10S, the time interval
between every two tires is 100ms.
6
TPMS
TPMS
TPMS
TPMS
TPMS
Tire
temperatu
re
NonCTI Wheel End
receiving
Electrical
data
Fault
warning
Leakage
warning
high
CTI Wheel
temperatu
Sensor Status
re
warning
Pressure
leakage
rate
Pressure
warning
level
Tire
Temperature
Tire Air
Leakage Rate
Tire Pressure
Threshold
Detection
TPMS
TPMS
Tire
pressure
Tire Pressure
CTI Tire Status
TPMS
Tire
position
ICM
ICM
ICM
ICM
ICM
ICM
ICM
ICM
2587
2586
1699
1698
1697
242
241
929
10000
10000
10000
10000
10000
10000
10000
10000
Tire
Condition
Tire
Condition
65268
65268
65268
65268
Tire
Condition
Tire
Condition
65268
65268
65268
65268
PGN
Tire
Condition
Tire
Condition
Tire
Condition
Tire
Condition
Signal Truansm
Sign
Period Parameter
BCM_Gat
descripti itting
SPN al
eway
name
(ms)
on
Node
type
Tire Location
Signal name
0x18FEF433
0x18FEF433
0x18FEF433
0x18FEF433
0x18FEF433
0x18FEF433
0x18FEF433
0x18FEF433
CAN ID
8.6
6.1
5.1
5.3
5.5
3.1
2.1
1.1
16
16
Pa/s
degC
kPa
StartBi
Leng
Unit
locatio th
0.1
0.03125
5.5
Ratio
factor
Physical Physical
-273
-273
value
6425.5
1735
1000
value
Data
value
Data
64255
64255
250
value
Offset minimum maximum minimum maximum
255
Unavail
Defa Err
able
ult or value
Pressure warning range
000=Over high pressure, P≥
10.8Bar；
001=High pressure,9.5Bar≤P＜
10.8Bar；
010= Normal：7.4Bar≤P＜9.5Bar
011= Low pressure：6.6Bar≤P＜
7.4Bar；
100=Over low pressure：P＜6.6Bar
The pressure loss rate of a tire.
Example：Byte6：0x8D；Byte7：0x24
0x248D(HEX),dec value 9357；
Leakage rate：
9357*0.1=935.7Pa/s=9.35Kpa/s=0.09
Bar/s
00=Normal
01=high temperature warning
Others=Rev.
00=Normal
01=Leakage
Others=Rev.
00=Normal, 01=Not receive the
tire signal in the past 20
minutes, Others=Rev.
Temperature at the surface of the
tire sidewall, 0.03125℃/bit
Example：Byte3：0x8D(HEX)；
Byte4：0x24(HEX)
0x248D(HEX),Dec value:9357；
absolute temperature：
9357*0.03125=292.4
Celsius degree：292.4-273=19.4℃
Pressure at which air is
contained in cavity formed by
tire and rim, 5.5kpa/bit
Example：0x79(Hex)means the
pressure：
121（Dec）
*5.5=665Kpa=6.65Bar=6.6Bar
The low order 4 bits represent a
position number, counting left to
right when facing in the
direction of normal vehicle
travel (forward).
The high order 4 bits represent a
position number, counting front
to back on the vehicle.
Examples: 0x23 would be right
outside rear rear on a 3-axle
tractor with dual axle per
side(3rd axle,4th tire)
Explanation
CAN module
CAN module
1.4. TECHNICAL PARAMETERS
1.4.1.
OPERATING CONDITIONS
Normal
•
•
•
•
operating conditions
Operating Temperature: -40℃—+85℃；
Relative humidity: 45%—75%；
Pressure: 86Kpa—106Kpa(absolute pressure value)
Storage temperature range: -40℃—+85℃.
1.4.2.
PROPERTIES PARAMETER
•
•
Voltage supply: 12V or 24V
Receiving sensitivity: -95dbm～-105dbm
1.5. FCC'S AUTHENTICATION ANNOUNCEMENT
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.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. You can test that if this equipment does cause harmful interference to radio or television
reception by turning the equipment off and on.
Caution content: changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.

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Title                           : Microsoft Word - Y5DTPMS203-CANBUS_User manual
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