bf1systems IRTPTMS V3 System Description 1_01 Page 1 of 15 bf1systems IRTPTMS V3 System Description V1_01 bf1systems IRTPTMS V3 System Description 1 Modifications Date 04/11/2013 Modifications Document creation Author SG Version 1_01 Modified Sheets All By GMS Approved Date 05/11/2013 Signed GMS If this document has been printed then it cannot be guaranteed that it is the most recent version. Please refer to the document directory for the latest release.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 2 of 15 2 Table of Contents 1 2 3 4 Modifications.........................................................................................................................................................................1 Table of Contents ..................................................................................................................................................................
bf1systems IRTPTMS V3 System Description 7.4.5 7.4.6 7.4.7 7.4.8 7.4.9 7.4.10 7.4.11 7.4.12 bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 3 of 15 Frequency ........................................................................................................................................................... 14 Modulation ......................................................................................................................................................... 14 Physical link.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 4 of 15 4 Conformity to FCC-Rules Electronic wheel sensors within the IRTPTMS system contains Transmitter Module FCC ID: xxx-xxxxxxxxx 4.1 United States of America 4.1.1 Statement FCC 15.19: Labelling requirements This device complies with Part 15 of the FCC Rules.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 5 of 15 5 System and Functional Description 5.1 System Description The Infrared Tyre Pressure & Temperature Monitoring System (IRTPTMS) monitors vehicle tyre pressures and temperatures.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 6 of 15 5.2 Functional Description The wheel electronic is mounted on the wheel rim and measures tyre pressure, temperature and wheel electronic status. The measured data is sent from the wheel via a transmit stage in the wheel electronics.
bf1systems IRTPTMS V3 System Description 1_01 Page 7 of 15 bf1systems IRTPTMS V3 System Description V1_01 7 System Components The system components of the IRTPTMS are described in the following sections. 7.1 Motorsport DigiTyre ECU (MDE) The MDE control unit consists of a printed circuit board with a microcontroller and interfaces for CAN, RS232 and TPMSLIN. The tyre information received from the digital antennae is recorded and evaluated in the control unit.
bf1systems IRTPTMS V3 System Description 1_01 Page 8 of 15 bf1systems IRTPTMS V3 System Description V1_01 Secondary Connection (8STA2-10-35SA, Female, Circular) Pin 1 2 3 4 5 6 7 Description Configure Input C Configure Input A / RS232 DATA TX Configure Input B / RS232 DATA RX Daughterboard Out 2 GND Sense RS232 GND N/C Pin 8 9 10 11 12 13 Description N/C N/C N/C N/C N/C N/C 7.1.
bf1systems IRTPTMS V3 System Description 1_01 Page 9 of 15 bf1systems IRTPTMS V3 System Description V1_01 7.2.4 Pressure Pressure overload Measurement range Maximum 2000 kPa 50 kPa to 732.5 kPa 7.2.5 Environmental Requirements Vibration with overlying temperature Temperature profile Vibration profile 1 Acceleration Static acceleration (vertical to PCB) Evaluation criteria 0°C to 125°C 20Hz to 2000Hz: 2 g2/Hz to 0.
bf1systems IRTPTMS V3 System Description Tyre Carcass Surface Temperature (±17.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 11 of 15 7.2.10 Transmission Marking for type approval 433 MHz Version Tolerance transmitted power +/- 3 dB @ 25°C Tolerance transmitted power over lifetime - 3 dB Tolerance transmitted power over working - 5 dB temperature range 7.2.11 Block diagram wheel electronics Figure 1: Wheel electronics block diagram 7.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 12 of 15 7.3.6 Environmental conditions Protection class: Salt spray: Pressure balance: IP 69K in line with test according to DIN 40050 144h in line with test according to DIN 50021-SS Climate membrane 2 mm 7.3.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 1_01 Page 13 of 15 Figure 4: RF Antenna dimentions 7.4 Trigger transmitters 7.4.1 Temperature Operating temperature Storage temperature -40°C to +105°C -40°C to + 90°C 7.4.2 Mechanical requirements Dimensions 4 vibration loading capacity Shock loading capacity Free fall Plug push thru strength Soundness Pressure balance 90.5mm x 65.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 Ground current 1_01 Page 14 of 15 < 230 mA @ 12V 7.4.5 Frequency Frequency Field strength Duration of transmission Keying ratio Field orientation 125 kHz +/-5 kHz @ -40°C to +105°C (In condition installed in vehicle) < 21 dBV/m @ 3m, 16V < 10 s < 0.1 Field of a magnetic dipole, symmetrical axis transverse to the housing 7.4.6 Modulation Modulation Baud rate Report Duration of impulse < 0.
bf1systems IRTPTMS V3 System Description bf1systems IRTPTMS V3 System Description V1_01 Figure 5: LF Satellite Trigger RD096 110124 1_01 Page 15 of 15
