Patent ID: 11943856
Assignee: DONG CHEON INC CO., LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 1:
2. The device of claim 1, wherein the third step of the control part comprises:
a step 3-1 of switching light emission from matched input/output ports for multiple different areas, groups, and channels when remotely performing the light emission of the lights through the port table by differently combining and matching the input/output ports in a matrix format for the multiple different areas, groups, and channels for the positions of the lights in the port table on the light control board; and
a step 3-2 of switching input/output operation for the input/output ports in a matrix format by corresponding only to each abnormal area, group, and channel when the lights are abnormal when performing the light emission of lights for the areas, groups, and channels.