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1、摘要简易自动响铃装置是生活中常见的报警装置，报警装置在生产和生活中是随处可见的，它虽然并不复杂，但是在日常的生产生活中起着十分重要的作用，比如一些容易发生危险的地方，人多的场合，如果将要发生危险，报警装置可以提前通知人们，达到防患于未然，在小的方面应用也很多，在这就不一一列举，以前报警装置一模拟电路为主，但由可编程器件构成的电路现在明显比模拟电路优点多，可编程序控制器是一种数字运算操作电子系统，专为在工业环境下应用而设计。它采用了可编程序的存储器，用来在其内部存储执行逻辑运算、顺序控制、定时、计数和算术运算等操作的指令，并通过数字的，模拟的输入和输出，控制
2、各种类型的机械或生产过程。所以可编程逻辑器件现在是主流！关键词：响铃可编程器件EnglishabstractSimpleautomaticringingdeviceisthecommonlifeofthealarmdevice,alarmdeviceisinproductionanddailylifeeverywhere,whileitisnotcomplicated,butindailyproductionplaysanimportantroleinlife,suchasanumberofrisk-proneplaces,peopleandmoreocc
3、asionstobedangerousifthealarmdevicecaninformpeopleinadvance,totakepreventivemeasures,theapplicationinsmallandtherearemanythatdonotlisttheminthepast,ananalogcircuit-basedalarmHowever,thecircuitformedbyaprogrammabledeviceisnowsignificantlymorethantheadvantagesofanalogcircuits,progra
4、mmablelogiccontrollerisadigitalcomputingoperatetheelectronicsystemsinindustrialenvironmentsforapplications.Itusesaprogrammablememory,usedtoimplementlogicinitsinternalmemoryoperations,sequencecontrol,timing,countingandarithmeticinstructionssuchasoperationand,throughdigital,analogin
5、putandoutput,controlvariousmachinesorproductionprocess.Sonowthemainstreamprogrammablelogicdevice!目录-15-绪论1.可编程逻辑器件的简介··············································32.可编程逻辑器件的应用与特点········································33可编程逻辑器件的几大生产厂家······································5主体第一章整体
6、方案的选择1产品现状分析······················································62方案选择··························································63.PLC与单片机系统做比较············································7第二章电路设计1.所用控制单元·····················································82.I/O分配···············
7、··········································103.梯形图设计·······················································10-15-4.运行过程分析·····················································115.源程序··························································116.电路安装调试·································
8、····················12第三章总结与展望1.总
