| abstract |
The switching, operational and safety components are distributed in three structural levels such that in a line technology task structure (DH) device program modules for generating logical switching technology, operating technology or safety technology messages in an operating technology switching technology coordination task structure (LDU PD ) an operational coordination program module and switching procedure program module (CP) for controlling the operational and mediation information and data flow and in an application task structure (LDU VD) at least one operational and security application program module (AMA, IN) for processing operational or safety-related tasks are provided. |