| 摘要 |
PROBLEM TO BE SOLVED: To simplify the structure of an inspection device than heretofore and improve its reliability by providing a servomotor to each of rotation detectors to be inspected. SOLUTION: In this inspection device for a rotation detector, one dedicated servomotor (3) is respectively connected to a plurality rotation detectors (7), and a first rotary angle signal (7a) of the rotation detector (7) is compared with a second rotary angle signal (6a) of a built-in rotation detector (6) incorporating the servomotor (3) to inspect the abnormality of the first rotary angle signal (7a).
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