DIGITAL OUTPUT SUBSTRATE FOR MONITORING CONTROL OF PLANT AND ITS METHOD AND PLANT MONITORING CONTROLLER
PROBLEM TO BE SOLVED: To shorten a time required for the recognition and decision of the failure or defective part of an output system, and to realize the safe continuous operation of a plant. SOLUTION: A digital output register 103 outputs digital output signals S1 to SN of every channel from outpu...
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| creator | SHIROTA AKINOBU SHIGIHARA KENJI ONO TORU |
| description | PROBLEM TO BE SOLVED: To shorten a time required for the recognition and decision of the failure or defective part of an output system, and to realize the safe continuous operation of a plant. SOLUTION: A digital output register 103 outputs digital output signals S1 to SN of every channel from output channels C1 to CN to output destinations P1 to PN based on a command from a central control substrate 200. Disconnection detecting parts D1 to DN on each channel path individually monitors the power supply status of each channel to detect a disconnection status, and transmits the disconnection status detection information to a defective status change detection part 111. When any of the output channels C1 to CN and the output destinations P1 to Pn is disconnected, the defective status change detecting part 111 compares disconnection status detection information of this time and previous time, and when they are different, detects the changed contents as defective status change, and stores defective status change information showing the defective status change in a defective status change register 112. COPYRIGHT: (C)2007,JPO&INPIT |
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SOLUTION: A digital output register 103 outputs digital output signals S1 to SN of every channel from output channels C1 to CN to output destinations P1 to PN based on a command from a central control substrate 200. Disconnection detecting parts D1 to DN on each channel path individually monitors the power supply status of each channel to detect a disconnection status, and transmits the disconnection status detection information to a defective status change detection part 111. When any of the output channels C1 to CN and the output destinations P1 to Pn is disconnected, the defective status change detecting part 111 compares disconnection status detection information of this time and previous time, and when they are different, detects the changed contents as defective status change, and stores defective status change information showing the defective status change in a defective status change register 112. 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SOLUTION: A digital output register 103 outputs digital output signals S1 to SN of every channel from output channels C1 to CN to output destinations P1 to PN based on a command from a central control substrate 200. Disconnection detecting parts D1 to DN on each channel path individually monitors the power supply status of each channel to detect a disconnection status, and transmits the disconnection status detection information to a defective status change detection part 111. When any of the output channels C1 to CN and the output destinations P1 to Pn is disconnected, the defective status change detecting part 111 compares disconnection status detection information of this time and previous time, and when they are different, detects the changed contents as defective status change, and stores defective status change information showing the defective status change in a defective status change register 112. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ONOTHER TECHNOLOGY AREAS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORKOPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FORIMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION,DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS |
| title | DIGITAL OUTPUT SUBSTRATE FOR MONITORING CONTROL OF PLANT AND ITS METHOD AND PLANT MONITORING CONTROLLER |
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