IEC TS 63394: Guidelines on functional safety
IEC TS 63394 is not an International Standard like IEC 62061 or ISO 13849-1 but a Technical Specification.
IEC TS 63394:2023 - Safety of machinery - Guideline...
EN IEC Standards
EN ISO 12100
The primary purpose of this Standard is to provide designers an overall framework and guidance during the development of a machinery that is safe for its intended use
Harmonised European Standards