PLC毕业设计论文的外文文献及翻译

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1、-PLCtechnique discussion and future developmentT.J.byersElectronic Test Equipment-principles and ApplicationsPrinceton University .AmericaAlong with the development of the ages, the technique that is nowadays is also gradually perfect, the petition plays more strong; the operation that list depends

2、the artificial has already cant satisfied with the current manufacturing industry foreground, also cant guarantee the request of the higher quantity and high new the image of the technique business enterprise.The people see in produce practice, automate brought the tremendous convenience and the pro

3、duct quantities for people up of assurance, also eased the personnels labor strength, reduce the establishment on the personnel. The target control of the hard realization in many plicated production lines, whole and e*cellent turn, the best decision etc, well-trained operation work, technical perso

4、nnel or e*pert, governor but can judge and operate easily, can acquire the satisfied result. The research target of the artificial intelligence makes use of the calculator e*actly to carry out, imitate these intelligences behavior, moderating the work through persons brain and calculators, with the

5、mode that persons machine bine, for resolve the very plicated problem to look for the best path.We e in sight of the control that links after the electric appliances in various situation, that is already the that time generation past, now of after use in the mold a perhaps simple equipments of grass

6、-roots control that the electric appliances can do for the low level only; And the PLC emergence also became the epoch-making topic, adding the vivid software control through a very and stable hardware, making the automation head for the new high tide.The PLC biggest characteristics lie in: The elec

7、trical engineering teacher already no longer electric hardware up too many calculations of cost, as long as order the importation that the button switch or the importation of the sensors order to link the PLC up can solve problem, pass to output to order the conjunction contact machine or control th

8、e start equipments of the big power after the electric appliances, but the e*portation equipments direct conjunction of the small power can.PLC internal containment have the CPU of the CPU, and take to have an I/ O for e*pand of e*terior to connect a peoples address and saving machine three big piec

9、es to constitute, CPU core is from an or many is tired to add the machine to constitute, mathematics that they have the logic operation ability, and can read the procedure save the contents of the machine to drive the homologous saving machine and I/ Os to connect after pass the calculation; The I/

10、O add inner part is tired the input and output system of the machine and e*terior link, and deposit the related data into the procedure saving machine or data saving machine; The saving machine can deposit the data that the I/ O input in the saving machine, and in work adjusting to bee tired to add

11、the machine and I/ Os to connect, saving machine separately saving machine RAM of the procedure saving machine ROM and dates, the ROM can do deposit of the data permanence in the saving machine, but RAM only for the CPU putes the temporary calculation usage of hour of buffer space.The PLC anti- inte

12、rference is very and e*cellent, our root need not concern its service life and the work situation bad, these all problems have already no longer bee the topic that we fail, but stay to our is a concern to e to internal resources of make use of the PLC to strengthen the control ability of the equipme

13、nts for us, make our equipments more gentle.PLC language is not we imagine of edit collected materials the language or language of Cs to carry on weaving the distance, but the trapezoid diagram that the adoption is original after the electric appliances to control, make the electrical engineering te

14、acher while weaving to write the procedure very easy prehended the PLC language, and a lot of non- electricity professional also very quickly know and go deep into to the PLC.Is PLC one of the advantage above and only, this is also one part that the people prehend more and easily, in a lot of equipm

15、ents, the people have already no longer hoped to see too many control buttons, they damage not only and easily and produce the artificial error easiest, small is not a main error perhaps you can still accept; But lead even is a fatal error greatly is what we cant is tolerant of. New technique always

16、 for bringing more safe and convenient operation for us, make we a lot of problems for face on sweep but light, do you understand the HMI Says the HMI here you basically not clear what it is, also have no interest understanding, change one inside te*t e*plains it into the touch to hold or man-machine interface you knew, it bines with the PLC to our larger space.HMI the control not only is reduced the control press button, increase the vivid of the control, more

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