公开(公告)号：US20230185266A1

公开(公告)日：2023-06-15

申请号：US17994769

申请日：2022-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： YUNMIN SEO ,  DAEGEON KIM ,  JAEGEUN CHO ,  SUNGBOG KU

IPC: G05B19/05

CPC classification number: G05B19/05 ,  G05B2219/1204

Abstract: A programmable logic controller (PLC) control device includes: a plurality of main blocks, each of which controls a corresponding one of a plurality of upper modules in a facility; a plurality of sub-blocks included in each of the plurality of main blocks and each of which controls a corresponding one of a plurality of sub-modules; and a process block included in each of the plurality of main blocks and which manages operation steps of a corresponding one of the plurality of upper modules.