15
System description
4.3
Configuration for trailers
Transmission types
To display the OptiTire
TM
data of the trailer in the driver’s cabin, both the trailer
and towing vehicle must be equipped with OptiTire
TM
in combination with the
external sensor WM2 if communication is implemented via radio link.
Alternatively, the trailer data can be displayed in the towing vehicle if it is
equipped with an integrated display. When the trailer is also equipped with
WABCO Trailer EBS, the data can transferred to the towing vehicle’s central
computer via CAN.
The following illustrations compare both transmission types, wireless connection
and CAN bus, with each other.
Data transmission via a CAN bus
Data transmission via radio link
!
The data can only be transmitted via a radio link if both the towing vehicle and
the trailer are equipped with external sensors.
LEGEND
A
Display
B
Sensors
C
ECU
D
Wireless connection
E
Trailer ECU
F
Integrated display
G
Central computer
H
TEBS modulator
*)
In combination with external sensor in towing vehicle and trailer
Содержание OptiTire
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