US Patent 10105840 Robot system including plurality of controllers connected via network

A robot system enabling a single teaching console to be used to easily teach a plurality of robots. The robot system includes a plurality of robot controllers connected through a network and a single teaching console. The teaching console is configured to be able to selectively communicate with any one of the robot controllers. The robot controller is configured so as to send a connect request to the teaching console when it is judged that the state of the robot has been switched to the teaching phase or maintenance phase. The teaching console is configured to respond to a connect request from the robot controller and switch destinations to enable communication with the robot controller.