Abstract: Provided are a group selector 431 configured to select collection groups from multiple subgroups obtained by dividing a memory area in a first storage unit 411b; a collection group assigner 432 configured to assign the selected collection groups to data collection apparatuses 41 to 43 in order to distribute load of data collection; and a schedule generator 433 configured to generate a schedule for reading the data from the first storage unit 411b. Each of the data collection apparatuses 42, 43 includes a schedule generator 443 configured to generate a schedule for reading the data from the first storage unit 411b on the basis of a collection cycle and the number of collection groups assigned to the data collection apparatus 42.

Abstract: An apparatus includes: the arrangement pattern sampling data generator 111b for generating the arrangement pattern sampling; the bit pattern sampling data generator 111c for, each time process data are acquired from the controllers 51 to 5n, generating the bit pattern sampling; the calculator 111d for calculating the number-of-change-points threshold value indicating the threshold value for the number of process data each including the chronological change on the basis of the data size needed to store the elapsed times and the sampling cycles (the acquisition intervals) for the process data acquisition; and the storage controller 111a for storing any one of the bit pattern sampling data and the arrangement pattern sampling data, which requires a smaller storage capacity, into the storage unit 113.

Abstract: A piezoelectric element easily and surely forms polymer coatings on peripheral end faces of the piezoelectric element without deteriorating a yield of the piezoelectric element. The piezoelectric element is manufactured by a method including steps of cutting a piezoelectric element out from a base piezoelectric material plate so that peripheral end faces are formed to define a peripheral shape of the piezoelectric element, and forming polymer coatings on at least objective areas of the peripheral end faces of the piezoelectric element by vapor deposition polymerization, respectively.

Abstract: A data synchronous reproduction apparatus capable of synchronously reproducing image frames and numerical data at high speed, including: a data storage section configured to store image data including multiple image frames of monitored objects captured by cameras, and process data including multiple numerical data acquired from the monitored objects in time series; a program storage section configured to store a data synchronous control program configured to reproduce the image data and synchronously reproduce the image data and the process data on the basis of frame numbers and a frame period of the image frames and a sampling interval or record numbers of the numerical data; and a CPU configured to execute the data synchronous control program.

Abstract: An method of manufacturing a piezoelectric element easily and surely forms polymer coatings on peripheral end faces of the piezoelectric element without deteriorating a yield of the piezoelectric element. The method includes steps of cutting a piezoelectric element out from a base piezoelectric material plate so that peripheral end faces are formed to define a peripheral shape of the piezoelectric element, and forming polymer coatings on at least objective areas of the peripheral end faces of the piezoelectric element by vapor deposition polymerization, respectively.

Abstract: A plant control monitoring system that can reduce communication traffic between a client and server to improve processing speed, and that includes: a server-side storage section provided in a server to store operation right processing information for a machine group on a client operation monitoring screen; client-side storage sections provided in clients to store duplicates of the operation right processing information of the server-side storage section; and operation right processing sections provided in the clients to correspond to each of the operation monitoring screens and that perform operation right processing based on the operation right processing information of the client-side storage sections. Operation right processing information for each client is stored in a global variable storage section of the client-side storage section, and operation right processing information for each operation screen is stored in a local variable storage section of the client-side storage section.

Abstract: First and second stations have first and second memory elements (2, 3) for storing first and second shared data, respectively, and a data transfer system (DT1) includes third and fourth memory elements (CM 12, CM 14) for storing third and fourth shared data, respectively, first and second transfer period determiner (CNT 90, CNT 92), a first transfer element (26a) working to operate in accordance with the first transfer period to have the second shared data stored in the fourth memory element (CM 14) and operate in accordance with the second transfer period to have the first shared data stored in the third memory element (CM 12), a second transfer element (26b) working for transfer of shared data between the fourth memory element (CM 14) and the third memory element (CM 12), and a third transfer element (26c) working to operate in accordance with the second transfer period to have the fourth shared data stored in the second memory element (3) and operate in accordance with the first transfer period to have the

Abstract: A plant control system carrying out a single shot output without adding a program concerning signal transfer between a supervisory control device and a programmable logic controller to the supervisory control device and the programmable logic controller. The plant control system includes a single shot output functioning section which causes a SCADA system connected to a programmable controller for controlling the plant to send a control signal corresponding to control content of a selected plant to the programmable controller, and, thereafter, to send an erasure signal for erasing the control signal held in the programmable controller to the programmable controller. The single shot output functioning section is outside of the SCADA system and outside of the programmable controller.

Abstract: According to one embodiment, there is provided an output apparatus including a signal control unit configured to set a signal from a second output element in an OFF state at a timing earlier than a predetermined timing by the response time of a second load, and set signals from a first output element and the second output element in an ON state, and signals from a first interruption element and a second interruption element in an OFF state at a timing earlier than the predetermined timing by the response time of a first load. The output apparatus includes a diagnosis unit configured to diagnose, at the predetermined timing, whether the first and second interruption elements are in a normal state or a failure state, based on a signal from the first and second digital output circuits.

Abstract: A data synchronous reproduction apparatus capable of synchronously reproducing image frames and numerical data at high speed, including: a data storage section configured to store image data including multiple image frames of monitored objects captured by cameras, and process data including multiple numerical data acquired from the monitored objects in time series; a program storage section configured to store a data synchronous control program configured to reproduce the image data and synchronously reproduce the image data and the process data on the basis of frame numbers and a frame period of the image frames and a sampling interval or record numbers of the numerical data; and a CPU configured to execute the data synchronous control program.

Abstract: An apparatus includes: a first range data storage section 21 for storing as first range data upper and lower limit values of process data, and a first reference point of time, while associating the upper and lower limit values with the first reference point of time; a second range data storage section 22 for storing as second range data upper and lower limit values of process data acquired in each second period, and a second reference point of time, while associating the upper and lower limit values with the second reference point of time; a sampling data storage section 113b for storing as sampling data process data including a chronological change, and an elapsed time from a reference point of time, while associating the process data with the elapsed time; and a storage controller 111a for storing the first range data, the second range data and the sampling data.

Abstract: An apparatus includes: the arrangement pattern sampling data generator 111b for generating the arrangement pattern sampling; the bit pattern sampling data generator 111c for, each time process data are acquired from the controllers 51 to 5n, generating the bit pattern sampling; the calculator 111d for calculating the number-of-change-points threshold value indicating the threshold value for the number of process data each including the chronological change on the basis of the data size needed to store the elapsed times and the sampling cycles (the acquisition intervals) for the process data acquisition; and the storage controller 111a for storing any one of the bit pattern sampling data and the arrangement pattern sampling data, which requires a smaller storage capacity, into the storage unit 113.

Abstract: Provided are a group selector 431 configured to select collection groups from multiple subgroups obtained by dividing a memory area in a first storage unit 411b; a collection group assigner 432 configured to assign the selected collection groups to data collection apparatuses 41 to 43 in order to distribute load of data collection; and a schedule generator 433 configured to generate a schedule for reading the data from the first storage unit 411b. Each of the data collection apparatuses 42, 43 includes a schedule generator 443 configured to generate a schedule for reading the data from the first storage unit 411b on the basis of a collection cycle and the number of collection groups assigned to the data collection apparatus 42.

Abstract: The microprocessor core 414d is dedicated to perform the judgment processing to judge whether or not the sampling cycle has been reached on the basis of the time measured by the timer 411a; and if the microprocessor core 414d judges that the sampling cycle has been reached, the microprocessor cores 414a to 414c store the process data, which are stored in the first storage unit 411b, into the second storage unit 412.

Abstract: Provided are a first storage unit 411b configured to store the data which are transmitted among the control apparatuses 21 to 24; a group selector 414a configured to divide the memory area in the first storage unit 411b into multiple groups, to further divide the memory area in each group into multiple subgroups, and to select at least one divided subgroups as a collection group, which is a unit to continuously read data in the group; a schedule generator 414b configured to generate the schedule, on the basis of the number of subgroups selected as each collection group and the collection cycle for the data collection; and a data reader 414e configured to read the data on the basis of the generated schedule.

Abstract: According to one embodiment, a plant control system includes a station mounting controllers thereon, an engineering device which manages programs, and a device which connects the controllers and the engineering device. The engineering device includes database which stores information on a first variable for allowing data to be shared among programs in each controller and a second variable for allowing data to be shared among programs in the station, the database management part, and a relocate management part which moves the program, and the relocate management part includes a designating module which designates an execution order of programs in a source controller, one or more programs to be moved, a destination controller, and the source controller, a module which moves the program as designated in the designating module, and a changing module which, when the program is moved, moves or copies the first and second variable used in the program.