Road vehicles. End of-life activation of on-board pyrotechnic devices - Communication requirements
Road vehicles. End of-life activation of on-board pyrotechnic devices - Communication requirements
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BS ISO 26021-2:2008 Road vehicles. End of-life activation of on-board pyrotechnic devices. Communication requirements Worldwide, nearly all new vehicles are equipped with one or more safety systems. Advanced protection systems using pyrotechnic actuators are becoming more common. All components which contain pyrotechnic substances should be handled in the same way. BS ISO 26021-2 defines the deployment process, the system architecture, CAN-based communication methods and system preconditions which have to be implemented to fulfil the use cases defined in BS ISO 26021-1. Additionally, the relationship to and use with other existing standards are defined. BS ISO 26021-2 also describes the technical details of the on-board deployment method. The way in which the pyrotechnic devices contained in the vehicle function in conjunction with the PDT is the primary focus of this document. Under the provisions of this document, the design of the PDT or PCU can be implemented in accordance with specific functionality and hardware requirements. BS ISO 26021-2 specifies the access to the PCU. This includes communication as well as the logic sequences which are involved during the activation process. Contents of BS ISO 26021-2: Foreword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 5 Conventions 6 Pyrotechnic device deployment via on-board diagnostic architecture 6.1 Vehicle system description 6.2 Example of in-vehicle hardware and software required 6.3 Additional communication line (optional
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