White Paper: Achieving compliance with EN 50128
This white paper discusses the functional safety standard EN 50128:2011 which applies to the software for railway control and protection systems. First the paper explores how EN 50128 compares with other process standards, and then it looks specifically at how PRQA’s tools can be deployed to help to comply with EN 50128.
Electronic equipment is increasingly being used in safety critical environments, and the associated software is becoming more and more complex. Exhaustive testing to ensure that there is no situation in which a failure could occur is rarely possible so systems must be designed in such a way to prevent failure or ensure controlled behaviour if failures arise.
The introduction of standards has been an important factor in ensuring the development of robust software in safety critical applications. The international standard EN 50128 mandates the use of improved development processes, including the use of coding standards to encourage further gains in software quality.
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