This standard BS EN 62026-7:2013 Low-voltage switchgear and controlgear. Controller-device interfaces (CDIs) is classified in these ICS categories:
29.130.20 Low voltage switchgear and controlgear
33.200 Telecontrol. Telemetering
IEC 62026-7:2010 specifies an interface system providing bit-level and word-level communication between a controller and control circuit devices such as sensors, actuators, and switching elements. The interface system uses cabling with round or flat profiles containing a two conductor signalling pair and optionally a two conductor power supply pair. This part establishes requirements for the interchangeability of components with such interfaces. This standard cancels and replaces IEC/PAS 62026-7 published in 2009. This first edition constitutes a general technical revision with clarifications only and with no significant change in the technology.