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
2000 B.C - The first recorded (The Susruta Samhita, Sanskrit writing) water purification began with the Egyptians. It is said that impure water should be boiled over a fire, heated in the sun, have a hot iron dipped into it or purified by filtration through sand and course gravel.
A major step in the development of desalination technologies came in the 1940s during World War II when various m
2. Company Information
The Kokekko is a Japanese restaurant that makesどんぶりもの (Donbury, bowl of rice served with toppings like chicken, egg, shrimp, and vegetables). In Kokekko there are three employees: one CEO with cooks, one hall manager, and one part-time employee. Kokekkohas 8 bar-type seats and 1 table for 4 people, 4 tables for 2 people, so 20 people are available in total.
K
Product Name
Eneloop Mobile Buster KBC-L2B
Price
₩59,000~ ₩63,000
Function
Portable smart phone charger
Portable tablet PC charger
Company
SANYO Inc.
Taken over by Panasonic
Practicable Product
Apple : I-phone, I-pad
Android : Galaxy series, Sony,
Packaging content
1x Mobile Booster KBC-L2B
1x Charger input USB cable
1x Micro USB attachment
1x AC a
2) Description of System Inputs
① Touch Screen을 통해서 Button을 구현, 해당 Button을 Click시에 해당기기의 전원을 제어할 수 있도록 구현하였다.
그림 1. Touch Screen - 입력 및 출력 가능
② KeyPad를 이용하여 자동 온도제어 장치를 구현하는 데에 있어 필요한 정보 값과 Menu를 선택할 수 있도록 구현하였다. 해당
inputs and outputs)
• 개발장치 : LDS4000R KIT
• 개발언어 : C language(ARM-LINUX-GCC)
• 구현환경 : PC, Fedora Core 6, minicom Develop Tool
• 기타 : DC Motor 등
INPUT
➀ 공기중의 온도가 일정온도 이상 온도 센서로 감지되면 DC MOTOR가 작동
➁ 사용자는 KEYPAD로 바람의 세기를 조정