技(Ji)术(Shu)分(Fen)享(Xiang)
当(Dang)前(Qian)位(Wei)置(Zhi):(?)三(San)菱(Ling)PLC > 技(Ji)术(Shu)服(Fu)务(Wu) > 技(Ji)术(Shu)分(Fen)享(Xiang)如(Ru)何(He)学(Xue)习(Xi)三(San)菱(Ling)PLC
怎(Zen)么(Me)学(Xue)好(Hao)三(San)菱(Ling)PLC
PLC(ProgrammableLogicalController)可(Ke)编(Bian)程(Cheng)控(Kong)制(Zhi)器(Qi)在(Zai)机(Ji)电(Dian)领(Ling)域(Yu)用(Yong)的(De)很(Hen)广(Guang),(?)大(Da)部(Bu)分(Fen)设(She)备(Bei)或(Huo)产(Chan)线(Xian)的(De)自(Zi)动(Dong)化(Hua)控(Kong)制(Zhi)会(Hui)用(Yong)PLC单(Dan)元(Yuan)或(Huo)总(Zong)线(Xian)来(Lai)完(Wan)成(Cheng)。(?)现(Xian)在(Zai)的(De)PLC编(Bian)程(Cheng),(?)不(Bu)管(Guan)是(Shi)三(San)菱(Ling)的(De)还(Huan)是(Shi)西(Xi)门(Men)子(Zi)的(De),(?)都(Du)很(Hen)少(Shao)用(Yong)编(Bian)程(Cheng)器(Qi)了(Liao),(?)都(Du)是(Shi)直(Zhi)接(Jie)在(Zai)电(Dian)脑(Nao)上(Shang)用(Yong)专(Zhuan)用(Yong)软(Ruan)件(Jian)完(Wan)成(Cheng)。(?)所(Suo)以(Yi),(?)电(Dian)脑(Nao)的(De)使(Shi)用(Yong)知(Zhi)识(Shi)就(Jiu)不(Bu)用(Yong)说(Shuo)了(Liao),(?)另(Ling)外(Wai),(?)必(Bi)须(Xu)要(Yao)了(Liao)解(Jie)工(Gong)业(Ye)传(Chuan)动(Dong)过(Guo)程(Cheng),(?)还(Huan)要(Yao)有(You)比(Bi)较(Jiao)好(Hao)的(De)电(Dian)工(Gong)电(Dian)子(Zi)学(Xue)的(De)基(Ji)础(Chu),(?)理(Li)解(Jie)继(Ji)电(Dian)器(Qi)的(De)工(Gong)作(Zuo)原(Yuan)理(Li),(?)知(Zhi)道(Dao)各(Ge)种(Zhong)传(Chuan)感(Gan)器(Qi)的(De)信(Xin)号(Hao)特(Te)点(Dian)和(He)应(Ying)用(Yong)。(?)要(Yao)实(Shi)现(Xian)PLC总(Zong)线(Xian)结(Jie)构(Gou)的(De)应(Ying)用(Yong),(?)还(Huan)要(Yao)知(Zhi)道(Dao)必(Bi)要(Yao)的(De)通(Tong)讯(Xun)知(Zhi)识(Shi)。(?)
PLC也(Ye)叫(Jiao)可(Ke)编(Bian)程(Cheng)控(Kong)制(Zhi)器(Qi),(?)要(Yao)学(Xue)好(Hao)PLC的(De)编(Bian)程(Cheng)首(Shou)先(Xian)得(De)学(Xue)会(Hui)PLC的(De)组(Zu)成(Cheng)和(He)结(Jie)构(Gou)特(Te)点(Dian)。(?)PLC输(Shu)入(Ru)、(?)输(Shu)出(Chu)和(He)控(Kong)制(Zhi)器(Qi)三(San)部(Bu)分(Fen)组(Zu)成(Cheng),(?)控(Kong)制(Zhi)器(Qi)是(Shi)核(He)心(Xin),(?)输(Shu)入(Ru)、(?)输(Shu)出(Chu)是(Shi)关(Guan)键(Jian)。(?)输(Shu)入(Ru)、(?)输(Shu)出(Chu)有(You)数(Shu)字(Zi)信(Xin)号(Hao)和(He)模(Mo)拟(Ni)信(Xin)号(Hao)两(Liang)种(Zhong),(?)模(Mo)拟(Ni)信(Xin)号(Hao)的(De)编(Bian)程(Cheng)比(Bi)较(Jiao)复(Fu)杂(Za)。(?)
PLC是(Shi)很(Hen)简(Jian)单(Dan)的(De)啊(A),梯(Ti)形(Xing)图(Tu)一(Yi)目(Mu)了(Liao)然(Ran),那(Na)个(Ge)常(Chang)开(Kai),哪(Na)个(Ge)长(Chang)闭(Bi),还(Huan)有(You)定(Ding)时(Shi),都(Du)不(Bu)用(Yong)象(Xiang)单(Dan)片(Pian)机(Ji)里(Li)一(Yi)样(Yang)再(Zai)设(She)定(Ding)了(Liao),而(?)且(Qie)抗(Kang)干(Gan)扰(Rao)能(Neng)力(Li)也(Ye)强(Qiang),你(Ni)要(Yao)学(Xue),再(Zai)弄(Nong)懂(Dong)程(Cheng)序(Xu)含(Han)义(Yi)后(Hou)建(Jian)议(Yi)多(Duo)看(Kan)别(Bie)人(Ren)写(Xie)的(De)程(Cheng)序(Xu),对(Dui)你(Ni)帮(Bang)助(Zhu)很(Hen)大(Da),再(Zai)说(Shuo),PLC的(De)内(Nei)核(He)就(Jiu)是(Shi)单(Dan)片(Pian)机(Ji),另(Ling)外(Wai)你(Ni)实(Shi)在(Zai)看(Kan)不(Bu)懂(Dong)不(Bu)是(Shi)还(Huan)有(You)语(Yu)句(Ju)表(Biao)吗(Ma),和(He)汇(Hui)编(Bian)有(You)点(Dian)接(Jie)近(Jin),可(Ke)以(Yi)试(Shi)试(Shi)。(?)
既(Ji)然(Ran)是(Shi)从(Cong)零(Ling)开(Kai)始(Shi),(?)那(Na)就(Jiu)要(Yao)学(Xue)得(De)非(Fei)常(Chang)仔(Zi)细(Xi),(?)因(Yin)为(Wei)细(Xi)节(Jie)决(Jue)定(Ding)许(Xu)多(Duo)问(Wen)题(Ti),(?)在(Zai)由(You)就(Jiu)是(Shi)要(Yao)学(Xue)好(Hao)硬(Ying)件(Jian)知(Zhi)识(Shi),(?)这(Zhe)是(Shi)学(Xue)PLC变(Bian)程(Cheng)的(De)基(Ji)础(Chu)。(?)然(Ran)后(Hou)一(Yi)定(Ding)要(Yao)自(Zi)己(Ji)做(Zuo)实(Shi)验(Yan),(?)把(Ba)上(Shang)面(Mian)的(De)例(Li)子(Zi)都(Du)做(Zuo)了(Liao),(?)千(Qian)万(Wan)不(Bu)要(Yao)觉(Jue)得(De)辛(Xin)苦(Ku),(?)因(Yin)为(Wei)你(Ni)是(Shi)从(Cong)零(Ling)开(Kai)始(Shi)的(De)。(?)学(Xue)编(Bian)程(Cheng)还(Huan)需(Xu)要(Yao)一(Yi)点(Dian)点(Dian)天(Tian)赋(Fu),(?)悟(Wu)性(Xing)一(Yi)定(Ding)要(Yao)好(Hao),(?)平(Ping)时(Shi)可(Ke)以(Yi)再(Zai)看(Kan)看(Kan)相(Xiang)关(Guan)的(De)论(Lun)文(Wen),(?)不(Bu)一(Yi)定(Ding)要(Yao)看(Kan)懂(Dong),(?)看(Kan)出(Chu)来(Lai)他(Ta)想(Xiang)干(Gan)什(Shi)莫(Mo)就(Jiu)行(Xing)了(Liao)。(?)
要(Yao)想(Xiang)学(Xue)好(Hao)PLC,(?)首(Shou)先(Xian)必(Bi)须(Xu)把(Ba)低(Di)PLC编(Bian)程(Cheng)压(Ya)电(Dian)器(Qi)((?)电(Dian)力(Li)拖(Tuo)动(Dong))(?)的(De)基(Ji)础(Chu)学(Xue)扎(Zha)实(Shi),(?)那(Na)么(Me)什(Shi)么(Me)是(Shi)低(Di)压(Ya)电(Dian)器(Qi)呢(Ne)?(?)低(Di)压(Ya)电(Dian)器(Qi)通(Tong)常(Chang)是(Shi)指(Zhi)工(Gong)作(Zuo)交(Jiao)流(Liu)电(Dian)压(Ya)小(Xiao)于(Yu)1200V,(?)直(Zhi)流(Liu)电(Dian)压(Ya)小(Xiao)于(Yu)1500V的(De)电(Dian)路(Lu)起(Qi)控(Kong)制(Zhi)作(Zuo)用(Yong)的(De)电(Dian)路(Lu)叫(Jiao)做(Zuo)低(Di)压(Ya)电(Dian)器(Qi).(?)
一(Yi)低(Di)压(Ya)电(Dian)器(Qi)的(De)的(De)分(Fen)类(Lei):(?)
1.(?)按(An)其(Qi)用(Yong)途(Tu)或(Huo)或(Huo)所(Suo)控(Kong)制(Zhi)对(Dui)象(Xiang)分(Fen)类(Lei):(?)
(1)低(Di)压(Ya)配(Pei)电(Dian)电(Dian)器(Qi)这(Zhe)类(Lei)电(Dian)器(Qi)包(Bao)括(Kuo)刀(Dao)开(Kai)关(Guan),(?)转(Zhuan)换(Huan)开(Kai)关(Guan),(?)熔(Rong)断(Duan)器(Qi)和(He)
自(Zi)动(Dong)开(Kai)关(Guan)等(Deng).主(Zhu)要(Yao)用(Yong)于(Yu)低(Di)压(Ya)配(Pei)电(Dian)系(Xi)统(Tong)中(Zhong),要(Yao)求(Qiu)在(Zai)系(Xi)统(Tong)发(Fa)生(Sheng)故(Gu)障(Zhang)的(De)情(Qing)况(Kuang)下(Xia)动(Dong)作(Zuo)准(Zhun)确(Que)
,工(Gong)作(Zuo)可(Ke)靠(Kao).
((?)2)(?)低(Di)压(Ya)控(Kong)制(Zhi)电(Dian)器(Qi)包(Bao)括(Kuo)接(Jie)触(Chu)器(Qi),(?)控(Kong)制(Zhi)继(Ji)电(Dian)器(Qi),(?)主(Zhu)令(Ling)开(Kai)关(Guan),(?)启(Qi)动(Dong)器(Qi)和(He)电(Dian)磁(Ci)铁(Tie)等(Deng).(?)主(Zhu)要(Yao)用(Yong)于(Yu)电(Dian)力(Li)拖(Tuo)动(Dong)自(Zi)动(Dong)控(Kong)制(Zhi)系(Xi)统(Tong)和(He)用(Yong)电(Dian)系(Xi)统(Tong)中(Zhong),(?)要(Yao)求(Qiu)寿(Shou)命(Ming)长(Chang),(?)体(Ti)积(Ji)小(Xiao)且(Qie)工(Gong)作(Zuo)可(Ke)靠(Kao).(?)
2.低(Di)压(Ya)电(Dian)器(Qi)按(An)动(Dong)作(Zuo)方(Fang)式(Shi)分(Fen)类(Lei):(?)
((?)1)(?)自(Zi)动(Dong)电(Dian)器(Qi)自(Zi)动(Dong)电(Dian)器(Qi)是(Shi)按(An)照(Zhao)外(Wai)来(Lai)的(De)信(Xin)号(Hao)或(Huo)某(Mou)个(Ge)物(Wu)理(Li)量(Liang)的(De)变(Bian)化(Hua)而(?)自(Zi)动(Dong)动(Dong)作(Zuo)的(De)电(Dian)器(Qi),(?)如(Ru)接(Jie)触(Chu)器(Qi),(?)继(Ji)电(Dian)器(Qi)等(Deng).(?)
((?)2)(?)非(Fei)自(Zi)动(Dong)电(Dian)器(Qi)是(Shi)通(Tong)过(Guo)人(Ren)工(Gong)或(Huo)外(Wai)力(Li)直(Zhi)接(Jie)而(?)操(Cao)作(Zuo)而(?)动(Dong)的(De)电(Dian)器(Qi),(?)如(Ru)按(An)钮(Niu)行(Xing)程(Cheng)开(Kai)关(Guan)等(Deng).(?)
3.按(An)电(Dian)器(Qi)的(De)执(Zhi)行(Xing)机(Ji)能(Neng)分(Fen)类(Lei):(?)
按(An)电(Dian)器(Qi)的(De)执(Zhi)行(Xing)机(Ji)能(Neng)可(Ke)分(Fen)为(Wei)有(You)触(Chu)点(Dian)电(Dian)器(Qi)和(He)无(Wu)触(Chu)点(Dian)电(Dian)器(Qi).(?)有(You)触(Chu)点(Dian)的(De)电(Dian)器(Qi)包(Bao)括(Kuo)开(Kai)关(Guan),(?)按(An)钮(Niu)等(Deng).(?)无(Wu)触(Chu)点(Dian)电(Dian)器(Qi)有(You)晶(Jing)闸(Zha)管(Guan),(?)IGBT管(Guan)等(Deng).(?)
二(?)主(Zhu)令(Ling)电(Dian)器(Qi)
主(Zhu)令(Ling)电(Dian)器(Qi)属(Shu)于(Yu)控(Kong)制(Zhi)电(Dian)器(Qi),(?)是(Shi)用(Yong)来(Lai)发(Fa)在(Zai)指(Zhi)令(Ling)的(De)低(Di)压(Ya)操(Cao)作(Zuo)电(Dian)器(Qi).(?)
((?)1)(?)控(Kong)制(Zhi)按(An)钮(Niu)
控(Kong)制(Zhi)按(An)钮(Niu)是(Shi)一(Yi)种(Zhong)结(Jie)构(Gou)简(Jian)单(Dan),(?)应(Ying)用(Yong)广(Guang)泛(Fan)的(De)主(Zhu)令(Ling)电(Dian)器(Qi).(?)由(You)按(An)钮(Niu)帽(Mao),(?)复(Fu)位(Wei)弹(Dan)簧(Huang),(?)桥(Qiao)式(Shi)触(Chu)点(Dian)和(He)外(Wai)壳(Ke)组(Zu)成(Cheng).(?)
((?)2)(?)常(Chang)开(Kai)和(He)常(Chang)闭(Bi)
定(Ding)义(Yi):(?)断(Duan)开(Kai)时(Shi)叫(Jiao)常(Chang)开(Kai)((?)动(Dong)合(He))(?),(?)接(Jie)通(Tong)时(Shi)叫(Jiao)常(Chang)闭(Bi)((?)动(Dong)断(Duan))(?)
控(Kong)制(Zhi)按(An)钮(Niu)在(Zai)外(Wai)力(Li)的(De)作(Zuo)用(Yong)下(Xia),(?)首(Shou)先(Xian)断(Duan)开(Kai)常(Chang)闭(Bi)触(Chu)点(Dian),(?)然(Ran)后(Hou)在(Zai)接(Jie)通(Tong)常(Chang)开(Kai)触(Chu)点(Dian).(?)复(Fu)位(Wei)时(Shi),(?)常(Chang)开(Kai)触(Chu)点(Dian)先(Xian)断(Duan)开(Kai),(?)常(Chang)闭(Bi)触(Chu)点(Dian)后(Hou)闭(Bi)合(He).(?)一(Yi)般(Ban)以(Yi)红(Hong)色(Se)表(Biao)示(Shi)停(Ting)止(Zhi)按(An)钮(Niu),(?)绿(Lu)色(Se)表(Biao)示(Shi)启(Qi)动(Dong)按(An)钮(Niu).(?)
((?)3)(?)行(Xing)程(Cheng)开(Kai)关(Guan)
行(Xing)程(Cheng)开(Kai)关(Guan)又(You)称(Cheng)限(Xian)位(Wei)开(Kai)关(Guan),(?)一(Yi)般(Ban)由(You)执(Zhi)行(Xing)元(Yuan)件(Jian),(?)操(Cao)作(Zuo)及(Ji)外(Wai)壳(Ke)组(Zu)成(Cheng),(?)行(Xing)程(Cheng)开(Kai)关(Guan)的(De)种(Zhong)类(Lei)很(Hen)多(Duo),(?)按(An)结(Jie)构(Gou)分(Fen)直(Zhi)动(Dong)式(Shi),(?)微(Wei)动(Dong)式(Shi),(?)滚(Gun)动(Dong)式(Shi).(?)
((?)4)(?)霍(Huo)而(?)接(Jie)近(Jin)开(Kai)关(Guan)开(Kai)关(Guan)的(De)结(Jie)构(Gou)工(Gong)作(Zuo)原(Yuan)理(Li)
它(Ta)主(Zhu)要(Yao)由(You)霍(Huo)而(?)元(Yuan)件(Jian),(?)稳(Wen)压(Ya)电(Dian)路(Lu),(?)放(Fang)大(Da)器(Qi),(?)施(Shi)密(Mi)特(Te)触(Chu)发(Fa)器(Qi)OC门(Men)等(Deng)电(Dian)路(Lu)构(Gou)成(Cheng),(?)通(Tong)常(Chang)集(Ji)成(Cheng)在(Zai)一(Yi)个(Ge)芯(Xin)片(Pian)上(Shang).(?)当(Dang)外(Wai)加(Jia)磁(Ci)场(Chang)强(Qiang)度(Du)超(Chao)过(Guo)规(Gui)定(Ding)的(De)工(Gong)作(Zuo)点(Dian)时(Shi),(?)OC门(Men)由(You)高(Gao)电(Dian)阻(Zu)态(Tai)变(Bian)为(Wei)导(Dao)通(Tong)状(Zhuang)态(Tai),(?)输(Shu)出(Chu)变(Bian)为(Wei)低(Di)电(Dian)平(Ping),(?)当(Dang)外(Wai)加(Jia)磁(Ci)场(Chang)强(Qiang)度(Du)低(Di)于(Yu)释(Shi)放(Fang)点(Dian)时(Shi),(?)OC门(Men)重(Zhong)新(Xin)变(Bian)为(Wei)高(Gao)阻(Zu)态(Tai),(?)输(Shu)出(Chu)高(Gao)电(Dian)平(Ping).(?)那(Na)什(Shi)么(Me)是(Shi)霍(Huo)尔(?)接(Jie)进(Jin)开(Kai)关(Guan)?(?)定(Ding)义(Yi):(?)在(Zai)一(Yi)的(De)距(Ju)离(Li)((?)几(Ji)毫(Hao)米(Mi)至(Zhi)十(Shi)几(Ji)毫(Hao)米(Mi))(?)内(Nei)检(Jian)测(Ce)物(Wu)体(Ti)有(You)无(Wu)的(De)传(Chuan)感(Gan)器(Qi)称(Cheng)为(Wei)接(Jie)进(Jin)开(Kai)关(Guan).(?)
((?)5)(?)光(Guang)电(Dian)开(Kai)关(Guan)
光(Guang)电(Dian)开(Kai)关(Guan)是(Shi)用(Yong)来(Lai)检(Jian)测(Ce)物(Wu)体(Ti)靠(Kao)近(Jin),(?)通(Tong)过(Guo)等(Deng)状(Zhuang)态(Tai)的(De)光(Guang)电(Dian)传(Chuan)感(Gan)器(Qi).(?)光(Guang)电(Dian)开(Kai)关(Guan)可(Ke)分(Fen)为(Wei)遮(Zhe)断(Duan)型(Xing)和(He)反(Fan)射(She)型(Xing).(?)
PLC在(Zai)工(Gong)业(Ye)自(Zi)动(Dong)化(Hua)中(Zhong)现(Xian)已(Yi)经(Jing)成(Cheng)了(Liao)必(Bi)不(Bu)可(Ke)少(Shao)的(De)一(Yi)部(Bu)分(Fen),(?)它(Ta)的(De)应(Ying)用(Yong)较(Jiao)为(Wei)广(Guang)泛(Fan),(?)因(Yin)它(Ta)的(De)使(Shi)用(Yong)简(Jian)单(Dan),(?)稳(Wen)定(Ding)性(Xing)好(Hao),(?)功(Gong)能(Neng)比(Bi)较(Jiao)强(Qiang)大(Da),(?)价(Jia)格(Ge)也(Ye)为(Wei)适(Shi)中(Zhong),(?)他(Ta)比(Bi)一(Yi)般(Ban)的(De)工(Gong)控(Kong)系(Xi)统(Tong)的(De)成(Cheng)本(Ben)相(Xiang)比(Bi)要(Yao)低(Di)的(De)多(Duo),(?)编(Bian)程(Cheng)也(Ye)较(Jiao)为(Wei)方(Fang)便(Bian),(?)它(Ta)可(Ke)以(Yi)用(Yong)于(Yu)温(Wen)度(Du)、(?)逻(Luo)辑(Ji)、(?)湿(Shi)度(Du)、(?)压(Ya)力(Li)、(?)比(Bi)量(Liang)、(?)运(Yun)算(Suan)、(?)人(Ren)机(Ji)等(Deng)很(Hen)多(Duo)种(Zhong)控(Kong)制(Zhi)系(Xi)统(Tong)中(Zhong),(?)现(Xian)代(Dai)工(Gong)业(Ye)中(Zhong)80%都(Du)使(Shi)用(Yong)PLC控(Kong)制(Zhi)的(De);(?)如(Ru)果(Guo)PLC学(Xue)好(Hao)了(Liao)找(Zhao)份(Fen)好(Hao)点(Dian)的(De)工(Gong)作(Zuo)也(Ye)并(Bing)不(Bu)为(Wei)难(Nan)事(Shi)。(?)
学(Xue)习(Xi)不(Bu)是(Shi)很(Hen)难(Nan),(?)对(Dui)设(She)备(Bei)和(He)自(Zi)动(Dong)化(Hua)有(You)些(Xie)灵(Ling)性(Xing)就(Jiu)没(Mei)问(Wen)题(Ti)。(?)学(Xue)好(Hao)了(Liao)三(San)菱(Ling)或(Huo)西(Xi)门(Men)子(Zi)的(De)PLC以(Yi)后(Hou)工(Gong)作(Zuo)很(Hen)好(Hao)找(Zhao),(?)因(Yin)为(Wei)PLC在(Zai)工(Gong)业(Ye)控(Kong)制(Zhi)上(Shang)应(Ying)用(Yong)很(Hen)广(Guang),(?)可(Ke)以(Yi)在(Zai)提(Ti)供(Gong)自(Zi)动(Dong)化(Hua)设(She)备(Bei)的(De)厂(Chang)家(Jia)工(Gong)作(Zuo),(?)也(Ye)可(Ke)以(Yi)在(Zai)应(Ying)用(Yong)自(Zi)动(Dong)化(Hua)设(She)备(Bei)的(De)厂(Chang)家(Jia)工(Gong)作(Zuo),(?)还(Huan)可(Ke)以(Yi)专(Zhuan)门(Men)做(Zuo)软(Ruan)件(Jian)和(He)系(Xi)统(Tong)设(She)计(Ji),(?)只(Zhi)要(Yao)你(Ni)能(Neng)独(Du)挡(Dang)一(Yi)面(Mian),(?)薪(Xin)金(Jin)很(Hen)高(Gao)的(De)!(?)在(Zai)北(Bei)京(Jing)、(?)天(Tian)津(Jin)就(Jiu)可(Ke)以(Yi),(?)天(Tian)津(Jin)的(De)环(Huan)境(Jing)和(He)机(Ji)会(Hui)更(Geng)多(Duo)些(Xie)。(?)
相(Xiang)关(Guan)内(Nei)容(Rong)
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