| 摘要 |
PURPOSE:To make a selection operating device compact, and to improve the operability by selecting and displaying a state of only a selected equipment. CONSTITUTION:This selection operating device is constituted of a monitor panel 1 for displaying an operating state of a plant 8, an operating board 5, and a programmable controller 4 for displaying a plant state on a symbol state indicator 2 and outputting signal to an apparatus which is selected by an apparatus selecting switch 6, by a master operating switch 7, etc. In such a case, in the operating board 5, a common selection state indicator 9 for displaying the present state of a selected equipment is provided instead of an individual indicator. In such a state, when one o equipment selecting switches 6 is turned on and an equipment is selected, a fact that the equipment is being selected is displayed by turning on its corresponding switch 6, and simultaneously, the present state of the selected equipment is displayed on the selection state indicator 9. |
