7. Design of the functional safety concept
7.1 Idea of the design of the functional safety concept
The objective of the functional safety concept is to derive the functional safety requirements (FSR) from the safety goals, and
- allocate the FSR to the component elements of the product at an early stage of the design,
- or allocate the FSR to external measures (outside the product).
7.2 Considerations for the functional safety concept
The functional safety concept shall contain the safety measures (including the safe mechanisms) in
compliance with the safety goals.
The safety measures shall be implemented in the component elements of the product, and specified in the FSR.
7.3 Implementation of the design of functional safety concept
7.3.1 Assumption of product configuration
(1) In the early stage of the design, an architectural assumption (Fig. 1) shall be prepared.
(2) The architectural assumption shall be implemented without safety measures.