| 摘要 |
PURPOSE:To improve the reliability of a plant by performing the plant operation through a process controller when the plant has a fault and displaying a proper operation procedure when the controller has a fault to stop the operation of the plant in said operation procedure. CONSTITUTION:A plant state display device 7 is connected to a plant 1 via a plant control part 2, and the plant operating state and the signal produced by a fault of the part 2 are supplied to the device 7. The state of this input signal is discriminated by a deciding means 101 of a display control means 10, and an optimum screen is extracted out of a screen data memory means 9 and displayed to a display means 11 in a normal operation mode. If the plant 1 has a fault, the part 2 operates automatically the plant 1 and displays the screens successively to the means 11. When the part 2 has a fault, an appropriate operation procedure is displayed to the means 11. Then the plant 1 is stopped manually. |
