Patent ID: 7515976

Claim:
A plant operation data acquiring apparatus managing a history of plant operation data of a control computer controlling a plant operation, comprising: a plant operation data acquiring unit receiving and acquiring plant operation data transmitting from the control computer; a plant operation data storage unit storing a history of the acquired plant operation data; a data search unit searching the plant operation data stored in the plant operation data storage unit; a simple data search program storage unit controlling a computer, and storing a simple data search program for realizing a simple data search function of simply searching the plant operation data; and a data backup unit executing data backup processing for backing up the plant operation data stored in the plant operation data storage unit and the simple data search program stored in the simple data search program storage unit using a backup storage medium, wherein when executing data backup of the plant operation data stored in the plant operation data storage unit, the data backup unit sorts the plant operation data in accordance with sort information including any of plant unit relevant to the data, data item, data classification and term, and thereafter, backs up the sorted result using the backup storage medium.