PLANT CONTROLLER

摘要

PURPOSE: To provide a plant controller which can prevents actual result data obtained on the basis of plant operation results from being lost by smoothly setting control constants and set values when a plant is restarted. CONSTITUTION: This controller has a ROM 6 which stores initial data for plant operation and a RAM 4 which stores actual result data updated on the basis of the operation actual results of the plant and is equipped with a man-machine processing part 9 which makes an operator confirm the switching between the ROM 6 and RAM 4 when the plant begins to be restarted and a plant control processing part 11 which performs the switching between the ROM 6 and RAM 4 on the basis of a switching command when the operator generates the switching command within a specific time and selects the RAM 4 unless the switching command is generated within the specific time.