BS EN 61987-24-2:2017

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
Annex A (normative) - Operating list of properties for
        valve/actuator accessories
Annex B (normative) - Device list of properties for
        valve/actuator accessories
Annex C (normative) - List of properties for
        valve/actuator accessories - Property library
Annex D (normative) - List of properties for
        valve/actuator accessories - Block library
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Gives: - an operating list of properties (OLOP) for the description of the operating parameters and the collection of requirements for accessories attached to automated valves, listed in Annex A, - device lists of properties (DLOPs) for accessories attached to automated valves, listed in Annex B.

IEC61987-24-2:2017 provides
- an operating list of properties (OLOP) for the description of the operating parameters and the collection of requirements for accessories attached to automated valves, listed in Annex A,
- device lists of properties (DLOPs) for accessories attached to automated valves, listed in Annex B.