The Airbag Control Unit (ACU) is the heart of the passive safety restraint system. It hosts all features for front-, rear- and side-impact protection and includes further legislation relevant functions such as Crash Detection and Event Data Recorder.
|ACU Type 21|
|ACU||Type 21 (T21)|
|Firing Loops||up to 24 according AK-LV 16 automotive specification|
|Satellites||Standard 6, if required up to 12 depending on firing targets|
|Network||1 x CAN, 2 x LIN|
|Micro-Switch||3 (e.g. buckle switch 2nd row)|
|Internal Sensors||Rollover Sensing|
|Crash Detection||Front, Rear, Side, Roll|
|OCS||via LIN or CAN|
|EDR||NHTSA phase 2 standard|
|# of IASG||5 (e.g. Buckle switch, e.g. Seat position)|
|Lamp Driver||Passenger Airbag De-/Activation Lamp|
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The introduction of the EU-General Safety Regulation (GSR) for vehicle homologation will mark a new era of vehicle engineering throughout the entire industry. From that point onwards, all new vehicles for the EU-market will have to be equipped with a multitude of advanced safety features such as Emergency Brake Assist, Lane Support Systems and Driver Supervision.