Robot control device and robot system
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jun 1, 2017
app pub date -
Nov 2, 2016
filing date -
Nov 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A robot control device provided correspondingly to each of a plurality of robots, individually, includes an input interface unit, a control unit, an output interface unit, and a safety circuit unit. The input interface unit receives a signal from an outside of the robot control device. The control unit stops an operation of the corresponding robot when determining that a safety signal is not input to the input interface unit. The output interface unit outputs a signal to the outside of the robot control device. The safety circuit unit has a function of monitoring whether a failure occurs in the safety circuit unit. The safety circuit unit outputs a signal same as the safety signal to the output interface unit when determining that no failure occurs in the safety circuit unit, and determining that the safety signal is input to the input interface unit.
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