Safety Critical Software Assessment
Software assessment against EN50128
Assessment of a new train vigilance system software development aginst the CENELEC Standard EN50128:2011. The vigilance unit had been allocated safety functions to it with Safety Integrity Level 2 (SIL2). Control logic was embedded within a Field Programmable Gate Array (FPGA). The configuration of the device had to comply with EN50128:2011 which covers configuration of data for safety applications. The rolling stock is has now been successfully commissioned and is carrying passengers in Australia.