Requirement and Test Traceability: Think about the following situation: You are near the end of your safety-related project and you have established traceability between all the project artifacts.
In an audit (e.g. Internal Quality Assurance, Customer, External Authority) you have to demonstrate which software requirements are developed from which System Requirements. Each software requirement is linked to one or more system requirements and also any system requirement is linked to one or more software or hardware requirements. Read more
Tag Archive for: EN50657
Chapter 6.7 of EN 50128 and EN 50657 support tools and languages defines requirements for software tools that are used in a safety-relevant development process. Project team members in safety projects discuss the content and meaning of this chapter again and again. The following article summarizes the essential requirements and derives a practical guide for use in the project. What EN 50128 and EN 50657 call Supporting Tools is often referred to as Tool Qualification.
Further blog posts on related topics are: