1. 기존 PLANT 내의 제어실에 새로운 CONTROL SYSTEM 을 설치하고 기존 CONTROL SYSTEM 과의 DATA COMMUNICATION을 하려고 한다. 이때 고려해야할 사항을 설명하시오. 또한, OSI (Open System Interconnection) 7 Layer 에 대해 설명하고 TCP/IP 4계층과 비교 및 적용되는 Protocol의 예를 드시오.
① 이기종간의 제어시스템간의 데이타
Introduction
A. Chosun Daily’s background
1) History
Chosun Daily gets its name from Korea's last dynasty in Korean history. The Chosun Ilbo Establishment Union was created in September 1919, and the Chosun Daily company was founded on March 5, 1920. The newspaper was critical of, and sometimes directly opposed, the actions of the pro-Japanese government during Japanese colonial ru
inputs required to fair value an instrument are observable, the instrument is included in level 2. If one or more of the significant inputs is not based on observable market data, the instrument is included in level 3.
3.2. SEC’s mainstream of hedging strategy; Natural hedge
3.2.1. Main reason
SEC’s mainstream of hedging strategy does not focus on currency hedging. This is because of t
1. Introduction
"Relationships with customers and suppliers allow us to know what we must be able to supply in real time and then very quickly and precisely meet that demand while maintaining low inventory."
(Dave Schneider, engineering manager of Dell)
As of July 2002, Dell Computer Corporation (Dell) was the world’s largest direct selling computer company, with 34,800 employees in more tha
1. 태양광 발전의 특징
태양광 산업은 무한정 무공해의 자원을 활용하여 전기를 생성하는 신재생 에너지원으로 1990년대 이후 기후변화협약에 따른 환경문제가 범세계적으로 심각하게 대두됨에 따른 삶의 질을 향상시킬 수 있는 환경 친화적 에너지 기술로서, 태양광을 받아 전기를 발생하는 태양전