Physical determined follow-up time before power down not possible Climate Control VCC GND
GND
Can be switched off immediately Seat Control Basicaቤተ መጻሕፍቲ ባይዱly 3 kinds of ECUs can be switched off immediately follow-up time required GND low power mode but always on
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: 3
GND
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. Slide: 5
Physical Basics
Physical Basics
1. Method of resolution:
KL15 OFF ON
ECUs connected directly with the Clamp 15
Security Control Climate Control VCC GND
GND
Seat Control
GND
2. Method of resolution:
KL15 OFF OFF ON
ECUs connected directly with the Clamp 30
Security Control Climate Control
KL30 GND
GND
Power
100%
Seat Control The Battery discharges
GND
0%
GND
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. Slide: 7
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. Slide: 2
Physical Basics
There are several methods of resolution for these problems >>
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. Slide: 4
Security Control
The ECUs have different requirements for transition to ECU Sleep mode
Climate Control
Controlled transition to ECU Sleep mode
Seat Control
Physical Basics
3 ECUs in the CAN network as an example
Quiescent current consumption (ECU Sleep mode) of the ECUs is a very important topic in the automotive environment
1. Method of resolution:
KL15 OFF ON
ECUs connected directly with the Clamp 15
Should be working all the time to detect theft intensions Security Control
GND
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. Slide: 6
Physical Basics
insert picture 8cm x 7cm
Direct OSEK Network Management
© 2006. Vector Informatik GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V2.04 2008-08-24
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 Bus error – BUS OFF OSEK NM State Machine