ČSN EN IEC 61139-2   (183001) Průmyslové sítě - Drobné digitální komunikační rozhraní - Část 2: Rozšíření funkční bezpečnosti

Anotace textu normy ČSN EN IEC 61139-2   (183001)

- a standardized OSSDe interface for redundant switching signals based on IEC 61131-2,

- minor modifications/extensions to state machines of SDCI to support the safety operations,

- a lean functional safety communication protocol on top of the standard SDCI communication which is a black channel according to IEC 61784-3:2021,

- protocol management functions for configuration, parameterization, and commissioning,

- IODD extensions for functional safety,

- a Device tool interface to support Dedicated Tools according to functional safety standards.

This document does not cover:

- communication interfaces or systems including multi-point or multi-drop linkages,

- communication interfaces or systems including multi-channel or encrypted linkages,

- wireless communication interfaces or systems,

- integration of SDCI-FS into upper-level systems such as fieldbuses/FSCPs.