CASE STUDY | TEST ENGINEERING
P 1/1
Seat function tester (SFT)
End-of-line tester (EOLT)
Key challenges in the project:
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Current and resistance measurements
Interface to control devices
Leak testing of the bladder inflation inside the seat
How did we solve them?
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Berghof SMM 3.1 module, 19" with 8 power measuring
channels and 8 resistance measuring channels
Communication module with CAN bus, LIN bus and/or KLINE, 4 communication channels, interface to the measuring PC
Leak tester 19" with interface to the measuring PC
Purpose of the project
The continuous development and innovation of car seats with regard to safety and comfort permanently increases testing requirements in terms of creating flexible and extensive test procedures. In order to meet these requirements in the future, a
proven measurement module for electric inspection tasks has been further developed: the Measurement Module for Automotive
Interior - Merlin. These modules are installed in a compact, mobile 19" rack in the EOL tester. The measurement modules examine, among other things, the functionality of the seat adjustment mechanism, seat heating, airbags, the bladder mat (for
passenger weight detection) and perform a crossover test. Other components which are tested include the seatbelt buckle, the
belt tensioners and the footwell/ambient lighting.
Technical requirements for the test system
Measuring equipment: resistance measurement, current measurement, path measurement, communication with controllers,
leak testing. Operating modes: automatic, manual; measuring program with user interface; software: programming in LabVIEW
(National Instruments); emergency-stop function.
Testing keywords:
End-of-line tester (EOL tester), seat adjustment, darkroom (measuring chamber), OK test candidate (GOOD part), NOK test candidate (BAD part), LabVIEW (graphical programming system from National Instruments), host computer (supplied by the customer)
Your contact partners
Thomas Brüggemeier | Key Account Manager | T +49.7121.894-123 | [email protected]
Francis Becker | Key Account Manager | T +49.7121.894-264 | [email protected]
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
PE_SFT_Sitzfunktions-Tester_CS_en_2D2372000CS00.docx