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Patent Searching and Data


Title:
PLC LADDER LOGIC LAYOUT AND LADDER CODE GENERATION METHOD
Document Type and Number:
WIPO Patent Application WO/2011/013884
Kind Code:
A1
Abstract:
A Programmable Logic Controller(PLC) ladder logic layout and ladder code generation method according to one embodiment of the present invention comprises: laying out a control logic of a production system through a Unified Modeling Language (UML) activity diagram; generating a ladder code based on the laid-out control logic; and verifying a logic error in the ladder code through the simulation of a change in the status of an output coil according to a change in the status at a particular input contact point of the generated ladder code.

Inventors:
HAN, Kwan Hee (#101-602, Hyundai Apt. 805, Chojeon-dong, Jinju-si, Gyeongsangnam-do 660-784, 660-784, KR)
한관희 (경상남도 진주시 초전동 805번지 현대아파트 101동 602호, 660-784 Gyeongsangnam-do, 660-784, KR)
Application Number:
KR2010/000380
Publication Date:
February 03, 2011
Filing Date:
January 21, 2010
Export Citation:
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Assignee:
INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY (900 Gajwa-dong, Jinju-si, Gyeongsangnam-do 411-440, 411-440, KR)
경상대학교산학협력단 (경상남도 진주시 가좌동 900, 411-440 Gyeongsangnam-do, 411-440, KR)
HAN, Kwan Hee (#101-602, Hyundai Apt. 805, Chojeon-dong, Jinju-si, Gyeongsangnam-do 660-784, 660-784, KR)
International Classes:
G05B19/05; G05B17/00
Attorney, Agent or Firm:
KWON, Oh-Sig et al. (4F Jooeunleaderstel, 921 Dunsan-dong, Seo-gu, Daejeon 302-120, 302-120, KR)
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