Electrical energy meter with programmable register component

Claim 1

A programmable solid-state electronic register component for an electrical energy meter, comprising: a mode table; a plurality of task tables; a plurality of modules; wherein said mode table comprises an array of task pointers to respective ones of said plurality of task tables, wherein each of said plurality of task tables comprises an array of module pointers to corresponding ones of said plurality of modules, wherein each of said plurality of modules comprises a plurality of instructions to be executed during the performance of a corresponding task, which is included in at least one of predetermined groups of tasks, and wherein each of said predetermined groups of tasks is defined by one of said task tables and corresponds to a predetermined mode of operation such as a time-of-use and demand mode of operation or a demand-only mode of operation; and micro-controller means for operating said register component in said predetermined mode of operation by executing a corresponding predetermined group of tasks, said micro-controller means comprising means for indexing to a task pointer in said mode table to thereby select one of said predetermined groups of tasks, said task pointer corresponding to a selected task table, means for executing said one of said predetermined groups of tasks by repeatedly indexing said selected task table to respective module pointers, and means for executing said plurality of modules corresponding to said respective module pointers.