Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Adaptation of symbols as digital
display icons
6 Application rules
7 Designation and illustration of symbols
8 Index of symbols
Annex A (normative) - Colouring to indicate operating
status or condition
Annex B (informative) - Colouring of actuators and
external connections
Bibliography