DefinitionThe principles of the connection diagrams shall be in accordance with IEC 61082, chapter 7.5:Connection diagrams provide information on:• physical connections (internal) among components of a unit or assembly, or• physical connections (external) among different units or assemblies, or• physical connections (external) to other unitsThe connection points shown in the diagram shall be identified by their terminal designations, and the conductors and/or cables used shall be identified by their reference designation or by another agreed identifier (see also IEC 62491).
