MONITORING CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide a monitoring control system having a monitoring control support function that allows an operator to easily check monitoring information on a change in plant state, a cause of failure and its influence range on a screen. SOLUTION: The monitoring control system includes: a detection device for detecting an operation state or a process state of a plant; a device for generating history information on the operation state or the process state of a plant based on the detected data acquired from the detection device; a device for accumulating the detected data and the history information; and a monitoring control support device for extracting a change or a cause of failure based on the detected data and the history information, generating monitoring information on the cause and the influence range, and displaying them on a display screen. The monitoring control support device includes a means that has a normal-operation determination timer provided in a signal transmission section of a connection part in each element of the system, diagnoses the transmission section between the components based on the past data of the timer value, and displays the diagnosis result on the display screen. COPYRIGHT: (C)2011,JPO&INPIT