725 abbreviations with 1,246 meanings, from the gate and discipline codes on the lifecycle charts to the standards, bodies and industry terms the Hub uses. Where the same letters mean different things, each meaning is listed with the lifecycles that use it. The list is built from the lifecycle and compliance data, so it stays current. For definitions of terms in general, see the glossary.
The umbrella standard for railway RAMS.
Standards and regulations
Used in: EN 50126 guide
The railway standard for developing, verifying, validating, assessing and maintaining software in control and protection systems such as interlocking and train protection.
Standards and regulations
Used in: EN 50128 guide
The railway standard for the safety case of electronic signalling systems, subsystems and equipment.
Standards and regulations
Used in: EN 50129 guide, Functional safety overlay
The newer single railway software standard, covering signalling, rolling stock and fixed installations.
Standards and regulations
Used in: EN 50716 guide
The final wafers covering confirmed last orders are started, equipment and materials are planned to the end, and the process record is archived.
Gate codes
The four properties railway systems are specified and shown to meet.
Safety and securityStandards and regulations
Used in: EN 50126 guide
The level that sets how much risk reduction an industrial or railway safety function must give.
Safety and security
Used in: IEC 61508 guide
Gate and discipline codes are plain initials chosen for the Hub's charts, not any company's internal codes. Standard names belong to their publishers; the guides explain them in our own words. Missing an abbreviation? Suggest one.