Control device, control method, and program performing a tabulation operation at high speed
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United States of America Patent
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Aug 27, 2019
Grant Date -
Nov 23, 2017
app pub date -
Nov 19, 2014
filing date -
Nov 19, 2014
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Abstract
A PLC, which is a control device includes a device memory that stores data acquired by an external sensor, a data extracting unit that periodically extracts data of predetermined types among the data stored in the device memory, a data distributing unit that stores the data extracted by the data extracting unit in an operation buffer corresponding to the data among a plurality of operation buffers provided according to the predetermined types, and a data tabulating unit that performs, when the operation buffer stores data equivalent to a predetermined period, arithmetic processing of the data stored in the operation buffer.
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