| 摘要 |
PROBLEM TO BE SOLVED: To provide a plant monitoring system capable of confirming controlled states of controllers relating to control target signals without the need for an operator to leave an operating table.SOLUTION: A virtual controller centralized maintenance tool 21 having a monitoring function of a controller centralized maintenance tool 4 is constructed in a plant monitoring system 1, and the virtual controller centralized maintenance tool 21 is activated to acquire control logic information relating to confirmation target signals from each controller individual maintenance tool 3, to acquire control information relating to the confirmation target signals from each controller 2, and to display a logic sheet representing controlled states of the control target signals. |
