| 摘要 |
PURPOSE:To grasp an operating state of a plant, etc. at a glance, by displaying a limited range of plural process quantities related to each other, or its proper operating range and its present value, two-dimensionally or three-dimensionally, on the same picture of a display. CONSTITUTION:Limiting lines 11, 12 of a treating flow rate F and number of revolutions R of a centrifugal thin film drying machine are displayed on a cathode ray tube 10, and also a target value 14 of each process quantity and a present value which is a measured value are superposed and displayed simultaneously. |
