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8cm x 7cm
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector.
V2.04 2008-08-24
Direct OSEK Network Management
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector.
Slide:
2
Agenda
Physical Basics
Basics Mechanisms
Structure of Animation
Setup of a RING
Transition to BUS SLEEP
The LIMPHOME State
A New Node in a Running Network
Loss of a Node in the Network
OSEK NM State Machine
Bus error – BUS OFF
Physical Basics
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector.
Slide:
3
Physical Basics
Modern Vehicle with
Lowspeed and Highspeed
CAN bus (and gateways
to other bus systems)
CAN Highspeed
CAN Lowspeed
LIN
FlexRay
MOST
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector.
Slide:
4
Physical Basics
Quiescent current consumption (ECU Sleep mode) of the ECUs is a very important topic in
the automotive environment
The ECUs have different
requirements for
transition to
ECU Sleep
mode
Controlled transition
to ECU Sleep mode
There are several methods of resolution for these problems >>
Security Control
Seat Control
Climate Control
3 ECUs in the CAN network as an example
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector.
Slide:
5
Physical Basics
Climate Control
Security Control
Seat Control
VCC
GND
GND
GND
GND
GND
OFF
ON
KL15
1. Method of resolution: ECUs connected directly with the Clamp 15
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