The aim of the guidelines is to define a unified and consistent concept of safety terms for automation systems. Existing terms and definitions have been retained as far as necessary for an understanding of this guideline.
VDI/VDE 3542 Blatt 1-2000 history
2000VDI/VDE 3542 Blatt 1-2000 Safety terms for automation systems - Qualitative terms and definitions
1998VDI/VDE 3542 Blatt 1-1998 Safety terms for automation systems - Qualitative terms and definitions
1988VDI/VDE 3542 Blatt 1-1988 Safety terms for automation systems; qualitative terms and definitions
1986VDI/VDE 3542 Blatt 1-1986 Safety terms for automation systems; qualitative terms and definitions