| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a high-reliability display/manipulator by eliminating necessity for equipment to have the operating modes of master and slave systems, reducing the disconnection between multiplexed equipments to be parallelly operated and reducing an adverse influence to be exerted upon a plant even when the disconnection occurs. SOLUTION: Plural display/operation information transmitting means 141 and 142 respectively perform the transmission of display information to be displayed onto display equipment 133 or the transmission of operation information for operating equipments or devices. A transmission switching means 131 selects any satisfactory display/operation information transmitting means out of the plural display/operation information transmitting means 141 and 142 and uses this means for actually transmitting the information. Further, transmission abnormality detecting means 112 and 122 detect the abnormality of the display/operation information transmitting means 141 and 142 and take measures for dealing with it. Besides, display/operation editing means 111 and 121 are connected by a tracking means 151 and the information is shared between both the editing means.</p> |
