| 摘要 |
PURPOSE:To make process data useful for plant operation in a form of curve display easy to see, by designating freely contents of curve display with an easy conversational operation in accordance with demands of plant monitor by an operator. CONSTITUTION:When a display information designating key is depressed, current display information is displayed. For example, a display upper limit is changed with a key, and the end of change is indicated by an input transmission key, and this change is inputted to a process computer 10, and then, a CRT input/ output controller 5 transmits input information to a conversational processing means 13 and instructs a curve display data generating means 16 to change a display scale. The curve display data generating means changes picture data to be displayed in a curve display graph to new designated values and uses data from a log data memory means 15 to convert a display curve 20 to values on the new display scale and generates the display curve. Picture data is displayed on the new display scale by a picture display request key 35. |
