Device and method for triggering personal protection means

Device for actuating personal protection means (PS) comprising: - at least a first control unit (MSG) that generates in response to at least one size of a triggering information on its actuator interface - at least one transducer which converts the triggering information into a drive signal - at least a second control unit (SSG) which in response to a control signal, the personal protection means (PS) drives, characterized, in that at least one first control unit (MSG) has a fault memory for the at least one first and the at least one second control device (MSG, SSG).