B-Pillar Satellites (SBS and SBSR)

B-Pillar Satellites (SBSL and SBSR)





The left side B-Pillar Satellite (SBSL) controls and monitors the actuators for the left front airbag, the left side airbag ( in the drivers door), the left seat belt tensioner and the left knee airbag.
The right side B-Pillar Satellite (SBSR) controls and monitors the actuators for the right front airbag, the right side airbag (in the passenger door), the right seat belt tensioner, the right knee airbag and the BST.
Both B-Pillar Satellites function as monitors for the BST.
The B-Pillar satellites are connected to the SIM via the byte flight. The power supply of the satellites is also from the SIM and it is buffered by the memory backup capacitor.
An acceleration sensor for the longitudinal and transversal acceleration is integrated in each B-Pillar satellite. The sensor provides voltage as a measured variable and transfers the value via the byte flight to the SIM and all other satellites.
The voltage signal is a measurement of positive and negative car acceleration and is evaluated in each satellite. The voltage signal is continuously provided to the SIM and other satellites.