| 摘要 |
PROBLEM TO BE SOLVED: To improve the reliability of the data holding of a storage device mounted on a rotary encoder by eliminating illegal access by writing and reading data of the contents of the storage device through a specific access pattern. SOLUTION: This rotary encoder comprises a position detection part 11 which generates the rotational position of a motor, the storage device 13 which stores various information, a two-way communication processing part 12 which outputs data corresponding to an external request signal, and an information processing control part 14 which writes and reads the storage device 13 according to the request signal.
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