Motor-monitoring device
AssigneeFanuc Corporation
InventorsKenji SHIMIZU, Makoto HAGA
Life of this patent
Estimating the term…
Abstract
A motor-monitoring device according to one embodiment of the present disclosure, which allows easy ascertaining of the status of a motor, comprises: a rotation speed acquisition unit that acquires the rotation speed of a motor operating according to an operating program; a history information storage unit that stores history information including the rotation speed at fixed time intervals; and a graph display unit that plots markers indicating the rotation speed in a graph region with one axis used for time and the other axis for rotation speed, the graph display unit changing the mode of the marker according to a prescribed index.
Claims7
A motor monitoring device, comprising:
- a rotation number acquisition unit that acquires a rotation number of a motor operating in accordance with an operational program;
- a history information storage unit that stores history information including the rotation number at a regular time interval;
- and
- a graph display unit that plots a marker indicating the rotation number on a graph area, with one axis representing time and the other axis representing the rotation number, wherein
- the graph display unit changes a mode of the marker in accordance with a predetermined index.
Dependencies are inferred from the claim text.