User's Manual

bf1systems IRTPTMS V3 System Description
bf1systems IRTPTMS V3 System Description V1_01
1_01
Page 8 of 15
RD096 110124
Secondary Connection (8STA2-10-35SA, Female, Circular)
Pin
Description
Pin
Description
1
Configure Input C
8
N/C
2
Configure Input A / RS232 DATA TX
9
N/C
3
Configure Input B / RS232 DATA RX
10
N/C
4
Daughterboard Out 2
11
N/C
5
GND Sense
12
N/C
6
RS232 GND
13
N/C
7
N/C
7.1.6 CAN Bus Connection
Vehicle bus: High speed CAN, transfer rate 1Mbits/sec
TPMS bus messages: Programmable to customer requirements
Start-up behaviour: Power applied to the MDE
CAN interface data:
Driver module: TJA1050T
CAN H / CAN L – line: Resistant to short circuits against GND and +V
batt
7.2 Wheel Electronics
The wheel electronics measure the pressure, the air temperature inside the tyre, plus the tyre carcass temperature and
transmit this data via a HF radio route, together with its residual battery life and ID code to the digital antenna.
7.2.1 Installation Area
The wheel electronics are mounted on the inside of the wheel rim.
During assembly, the bf1systems assembly guidelines must be noted.
7.2.2 Versions
The working frequency of 433MHz is used exclusively.
7.2.3 Temperature
Min
Max
Units
Working temperature
0
+125
°C
Storage temperature > 50°C max. 30 days
+50
+70
°C
Storage temperature (6 months)
0
+50
°C
Temperature gradient in the working temperature range
-16
+16
K/s