Patent ID: 11880180
Assignee: SILICON WORKS CO., LTD.
Field: nan (nan)
Classification: CPC nan | IPC G  H

Claim 0:
1. A method of wirelessly transmitting and receiving safety information, the method comprising:
obtaining, by a first slave controller, second sensing data from a first control target;
generating, by the first slave controller, second safety information about the first control target by comparing the second sensing data with a predetermined reference range; and
transmitting the second safety information about the first control target to a master controller through a wireless channel, wherein
the first slave controller is configured to transmit the second safety information about the first control target to the master controller through the wireless channel when the first slave controller operates normally, and
a second slave controller is configured to receive the second safety information about the first control target from the first slave controller and transmit the second safety information about the first control target on behalf of the first slave controller to the master controller through the wireless channel when an error occurs in the first slave controller.