PROBLEM TO BE SOLVED: To provide a total instrumentation operator station with which even a near unskilled in engineering work can easily prepare various pictures. SOLUTION: Concerning the total instrumentation operator station having a trend picture for time sequentially displaying process data to be collected in the fixed cycle, instrument diagram picture for displaying an instrument diagram for operating the process data and graphic picture 20 for monitoring a plant by displaying the process data, either the trend picture or the instrument diagram picture is made primitive of the graphic picture 20 at least.
