OPC unified architecture - Discovery and global services1 Scope This part of IEC 62541 specifies how OPC Unified Architecture (OPC UA) Clients and Servers interact with DiscoveryServers when used in different scenarios. It specifies the requirements for the LocalDiscoveryServer, LocalDiscoveryServer ME and GlobalDiscoveryServer. It also defines information models for Certificate management, KeyCredential management and Authorization Services.

preparation and methods for qualifying test pieces used for indirect verification of pendulum impact testing machines in accordance with Part 2

6 Resistance to tension (emitting pipe)

BS EN 60317-58 on winding wires is relevant to:

BS EN 12351 does not apply to protective caps for valves and pipe fittings with welded and threaded ends

The detecting plane of the photodetector is not on the surface of the optical circuit board

Why should you use BS EN 60862-1 - Surface acoustic wave (SAW) filters of assessed quality

seamless tube for general engineering applications

If electromagnetic limits are required

Note: The titles of the British Standards referred to in BS 4868 are listed on the inside back cover

Manufacturing of luminary lights

It specifies safety requirements for toys that have at least one function dependent on electricity

and in UNECE (United Nations Economic Commission for Europe) and EC vehicle classification