Testing of smart components
More than testing – also initialising.
From first contact to release.
For smart components, testing the housing is not enough. SonicTC contacts the ECU, assigns bus addresses, writes calibration values and runs electrical and acoustic tests in the same sequence.
The result: end-of-line tests that not only classify the part but also parametrise it – ready for assembly.
What you get.
Smart actuators such as e-motors, inverters and ECUs are often contacted for the first time at end-of-line. SonicTC handles addressing, diagnosis, calibration and functional testing – in one sequence.
LIN/CAN auto-addressing
Multiple bus nodes get addressed by position – automatically and reproducibly.
EEPROM calibration
Read serial numbers, write calibration values, LIN diagnostic frame – inside the test sequence.
Secure communication
Encrypted messages and checksums for components with elevated security demands.
Back-to-back tests
Two identical components in parallel – ideal for drivetrains and e-motor pairs.
Here is what it looks like.
Assign addresses before anything gets tested.
When several LIN nodes share one bus, they are indistinguishable at first. Auto-addressing assigns each slave its address (NAD) according to its position on the bus – automatically and reproducibly.
Only then can the nodes be addressed, diagnosed and calibrated individually.
What else happens within the end-of-line cycle.
Auto-addressing
Several LIN slaves receive their address by position – the precondition for addressing them individually at all.
Encryption & checksum
Where security and data integrity demands are elevated, messages are encrypted and carry a checksum.
Multiplexing
Measurement data from several nodes is transmitted and captured in bundled form – less bus load, more quantities.
EEPROM & diagnostics
Read serial numbers and write calibration values via the LIN diagnostic frame protocol – within the same test run.
Back-to-back testing
Two identical components test each other – for instance two electric motors as drive and load.
Electrics and acoustics together
Electrical tests, bus communication and vibration analysis run in one sequence instead of at three stations.
Ready to experience acoustic test technology in your line?
Send us your part or schedule an online demo. First assessment within 24 hours.