Command and residual priority control of loads

摘要

A system for controlling a plurality of loads based upon command and residual priorities having a plurality of loads, a controller for controlling the loads according to at least two programs, each program having a command priority used for a program which wants control of a load and a residual priority retained for the program having control, the controller comparing the command priority of the program wanting control of the load to the residual priority of the program having control for thereby providing a command instruction to the load if the command priority of the program wanting control is greater than or equal to the residual priority of the program having control, and a communication channel connected between the controller and the loads for communicating the command instruction to the load.