Operational state analysis system and operation state analysis method

An operational state analysis system comprising:

• a field controller that controls field devices disposed in a plant;
• a manipulation monitoring device that manipulates and monitors the field controller;
• a data storage unit that stores processed data items related to the plant;
• and
• an analysis terminal device that analyzes an operational state of the plant based on the processed data items related to the plant, the analysis terminal device comprising:
• a reception unit that receives a selection of the processed data items, the selection being performed by user of the operational state analysis system;
• a property value acquisition unit that acquires a plurality of property values, each of the plurality of property values being one of values of the processed data items and statistical values based on the processed data items of which the selection is received by the reception unit;
• and
• a waveform display unit that displays the plurality of property values acquired by the property value acquisition unit as waveforms that analyzes the operational state.

An operational state analysis method that analyzes the operational state of a plant based on processed data items, the operational state analysis method comprising:

• receiving a selection of the processed data items;
• acquiring a plurality of property values that are one of values of the processed data items and statistical values based on the processed data items of which the selection has been received;
• and
• displaying the plurality of property values as waveforms so as to analyze the operational state of the plant.