Jochen Langer

TechDay samtecBus-Kommunikation für die Scheinwerfer-Fertigung

ID-EET

Reutlingen

15.04.2015

Our product portfolio: Headlamps

© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL

First dynamic all-LED-headlamp – Mercedes-Benz CLS-Class

17.04.2015 2

24 hours daylight.

Country Light

High Beam

24 hours daylight.

Partial High Beam

24 hours daylight.

Markerlight

24 hours daylight.

Our product portfolio: Electronics

17.04.2015© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL 7

Example high integrated ECU for full-LED headlamp

Bus-communication for headlamp production

17.04.2015© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL 8

Increasing relevance of Bus-communication

Example: headlamp for upper class vehicle

28 52

211

test-specification (pages)

SOP 2001 2004 2013

Functionality • BiXenon• Vert. Aim Control• K-Line-com-

munication

• BiXenon• Vert. Aim Control• Swiveling• Static bending

light• CAN-com-

munication

• Full-LED• Vert. Aim Control• Swiveling• Static bending

light• Partial high-beam• marker-light• CAN-com-

munication• ECU-coding

� Machine readable format needed to reduce „paper“-specification

Bus-communication for headlamp production

17.04.2015© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL 9

Usage of OEM cooperate ECUs

Tier2 ATier2 B

Tier2 C

Bus-communication for headlamp production

17.04.2015© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL 10

Use-cases vs. available standards

• Machine readable description needed - mainly for CAN and LIN

• Covering onboard and offboard communication

• Dealing with different OEMs and ECU suppliers prevent proprietary standards

On-board

„Restbus“

dbc-files

Fibex

ldf-files

Fibex

Off-board

„Diagnose“

ODX

(ISO 22901 /

ISO 22900-2 PDU-API)

Lack of

standard

Bus-communication for headlamp production

17.04.2015© Automotive Lighting Reutlingen GmbH – CONFIDENTIAL 11

Solution developed with samtec / softing

On-board Off-board

Thank you for your attention