Tài liệu STEP 2000 - Basics of PLCs doc

... ____________ 14 Terminology The language of PLCs consists of a commonly used set of terms; many of which are unique to PLCs. In order to understand the ideas and concepts of PLCs, an understanding of these terms is ... S 7-2 00 Models There are four S 7-2 00 CPU types: S 7-2 21, S 7-2 22, S 7-2 24, S 7-2 26, and S 7-2 26XM and three power supply configurations...

Ngày tải lên: 19/01/2014, 15:20

... 3: Characteristics of Information Categories of Information Sources of Information Perspectives of Information Review Module 3: Characteristics of Information 74 Module 3: Characteristics of Information ... success of an organization’s goals and the efficiency of its day-to-day operations. Examples include employee satisfaction, system efficiency, reports on employee hours,...

Ngày tải lên: 10/12/2013, 17:15

... want to go because we really want it. Make the first step trustfully. You do not need to see the entire flight of stairs. Just step on. - M.L. King Another question people ask is: “How long ... small things, so we sometimes say to start with something small, such as a cup of coffee. Focus on attracting a cup of coffee today. Focuses on your own image by talking to a fr...

Ngày tải lên: 15/12/2013, 06:15

Ngày tải lên: 21/12/2013, 03:20

... Prohibition of smoking on company premises Training courses for the coworkers for correct behavior in the case of fire and the use of fire extinguishers 2. Measures: Behavior of the coworkers ... the fire-brigade, additionally a personal call is installed, which informs company members at the same time about the alarm. Protection of individuals in case of fire • In t...

Ngày tải lên: 22/12/2013, 02:18

... with spiral arms of stars coming out of a bright central hub. The sun lies in one of the spiral arms of stars, probably about 28,000 light-years out from the centre of the hub of the Galaxy. This ... red-shifts discovered hitherto are not those of distant clusters, but of the so-called 'quasistellar (quasars) whose red-shifts correspond to speeds of recession which are...

Ngày tải lên: 22/12/2013, 06:15

... and the first distributed-file-and- print servers. All of these inventions made workstations a reasonable alter- native to time-sharing minicomputers. Since the main cost of a computer is the design ... number of machines and to keep accurate logs of current configurations and installed software. This can be invaluable for keeping track of license usage and monitoring for vio- lations...

Ngày tải lên: 23/12/2013, 01:16

... overall savings. Offshore outsourcing has been used to achieve a variety of other financial and non-financial benefits, including: - Faster time-to-market for new products and services - Increased ... work offshore, driven, in part, by lower labor costs. After wage rate differentials, the level of cost savings also depends on the amount of work that is moved offshore. While a...

Ngày tải lên: 20/01/2014, 07:20

... expense of/ in fear of insistence on interest in job of matter of objection to pleasure in /of point of/ in possibility of problem in /of worry about prospect of purpose of/ in question ... orientation and determining the age of a. the rocks of that time b. some kinds of rocks of the time c. a special kind of rock of that time 5. Geologists...

Ngày tải lên: 22/01/2014, 15:20