Patent ID: 11901145
Assignee: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A non-transitory, computer-readable medium storing instructions executable by at least one processor in a computing device, wherein the instructions comprise instructions to cause the at least one processor to perform operations comprising:
transmitting, to a first power source associated with a switching device, a command to provide power to a relay coil of the switching device with a fixed current profile;
receiving one or more voltage measurements associated with the relay coil during a period of time;
determining whether the one or more voltage measurements associated with the relay coil indicate that one or more movable contacts of the switching device are at least partially welded to one or more contacts of an electric circuit; and
in response to determining that the one or more voltage measurements associated with the relay coil indicate that the one or more movable contacts of the switching device are at least partially welded to the one or more contacts of the electric circuit, transmitting an additional command to a second power source to disconnect a current to the relay coil.