The 7798C sub-LAN interface (SLI) functions as an intelligent hub managing a network of MicroControllers and other controllers in a larger TAC I/NETTM distributed control system. The SLI provides global functions for the Micro-Controllers, including: Access-initiated Control, Elevator Control, Event-initiated Control, Trending, Runtime Accumulation, Automatic Time Scheduling,Calculations, Anti-passback, and periodic synchronization of the local clocks in the MicroControllers.
