技(Ji)术(Shu)文(Wen)章(Zhang)
Technical articles当(Dang)前(Qian)位(Wei)置(Zhi):(?)首(Shou)页(Ye)
技(Ji)术(Shu)文(Wen)章(Zhang)
倍(Bei)加(Jia)福(Fu)旋(Xuan)转(Zhuan)编(Bian)码(Ma)器(Qi)如(Ru)何(He)选(Xuan)型(Xing)
倍(Bei)加(Jia)福(Fu)旋(Xuan)转(Zhuan)编(Bian)码(Ma)器(Qi)如(Ru)何(He)选(Xuan)型(Xing)
公(Gong)司(Si)坚(Jian)持(Chi) “以(Yi)质(Zhi)量(Liang)求(Qiu)生(Sheng)存(Cun),(?)以(Yi)信(Xin)誉(Yu)求(Qiu)发(Fa)展(Zhan)”为(Wei)经(Jing)营(Ying)理(Li)念(Nian);(?)为(Wei)广(Guang)大(Da)客(Ke)户(Hu)提(Ti)供(Gong)产(Chan)品(Pin)和(He)满(Man)意(Yi)的(De)服(Fu)务(Wu)。(?)坚(Jian)持(Chi)质(Zhi)量(Liang),(?)信(Xin)誉(Yu),(?)服(Fu)务(Wu)流(Liu)的(De)经(Jing)营(Ying)理(Li)念(Nian),(?)致(Zhi)力(Li)于(Yu)对(Dui)自(Zi)动(Dong)化(Hua)产(Chan)品(Pin)的(De)研(Yan)发(Fa)应(Ying)用(Yong)和(He)市(Shi)场(Chang)推(Tui)广(Guang),(?)成(Cheng)功(Gong)地(Di)为(Wei)全(Quan)国(Guo)各(Ge)地(Di)的(De)暖(Nuan)通(Tong),(?)空(Kong)调(Diao),(?)食(Shi)品(Pin),(?)制(Zhi)药(Yao),(?)生(Sheng)物(Wu)工(Gong)程(Cheng),(?)智(Zhi)能(Neng)楼(Lou)宇(Yu),(?)汽(Qi)车(Che)涂(Tu)装(Zhuang),(?)电(Dian)厂(Chang),(?)化(Hua)工(Gong),(?)水(Shui)处(Chu)理(Li),(?)环(Huan)境(Jing)监(Jian)测(Ce),(?)工(Gong)业(Ye)制(Zhi)造(Zao)等(Deng)领(Ling)域(Yu)提(Ti)供(Gong)了(Liao)产(Chan)品(Pin)贸(Mao)易(Yi)及(Ji)技(Ji)术(Shu)支(Zhi)持(Chi),(?)在(Zai)业(Ye)内(Nei)享(Xiang)有(You)良(Liang)好(Hao)的(De)口(Kou)碑(Bei)!(?)
旋(Xuan)转(Zhuan)编(Bian)码(Ma)器(Qi)是(Shi)用(Yong)来(Lai)测(Ce)量(Liang)转(Zhuan)速(Su)的(De)装(Zhuang)置(Zhi)。(?)它(Ta)分(Fen)为(Wei)单(Dan)路(Lu)输(Shu)出(Chu)和(He)双(Shuang)路(Lu)输(Shu)出(Chu)两(Liang)种(Zhong)。(?)技(Ji)术(Shu)参(Can)数(Shu)主(Zhu)要(Yao)有(You)每(Mei)转(Zhuan)脉(Mai)冲(Chong)数(Shu)((?)几(Ji)十(Shi)个(Ge)到(Dao)几(Ji)千(Qian)个(Ge)都(Du)有(You))(?),(?)和(He)供(Gong)电(Dian)电(Dian)压(Ya)等(Deng)。(?)单(Dan)路(Lu)输(Shu)出(Chu)是(Shi)指(Zhi)旋(Xuan)转(Zhuan)编(Bian)码(Ma)器(Qi)的(De)输(Shu)出(Chu)是(Shi)一(Yi)组(Zu)脉(Mai)冲(Chong),(?)而(?)双(Shuang)路(Lu)输(Shu)出(Chu)的(De)旋(Xuan)转(Zhuan)编(Bian)码(Ma)器(Qi)输(Shu)出(Chu)两(Liang)组(Zu)相(Xiang)位(Wei)差(Cha)90度(Du)的(De)脉(Mai)冲(Chong),(?)通(Tong)过(Guo)这(Zhe)两(Liang)组(Zu)脉(Mai)冲(Chong)不(Bu)仅(Jin)可(Ke)以(Yi)测(Ce)量(Liang)转(Zhuan)速(Su),(?)还(Huan)可(Ke)以(Yi)判(Pan)断(Duan)旋(Xuan)转(Zhuan)的(De)方(Fang)向(Xiang)。(?)
增(Zeng)量(Liang)型(Xing)编(Bian)码(Ma)器(Qi)与(Yu)型(Xing)编(Bian)码(Ma)器(Qi)的(De)区(Qu)分(Fen)
编(Bian)码(Ma)器(Qi)如(Ru)以(Yi)信(Xin)号(Hao)原(Yuan)理(Li)来(Lai)分(Fen),(?)有(You)增(Zeng)量(Liang)型(Xing)编(Bian)码(Ma)器(Qi),型(Xing)编(Bian)码(Ma)器(Qi)。(?)
增(Zeng) 量(Liang) 型(Xing) 编(Bian) 码(Ma) 器(Qi) (旋(Xuan)转(Zhuan)型(Xing))
工(Gong)作(Zuo)原(Yuan)理(Li):
由(You)一(Yi)个(Ge)中(Zhong)心(Xin)有(You)轴(Zhou)的(De)光(Guang)电(Dian)码(Ma)盘(Pan),(?)其(Qi)上(Shang)有(You)环(Huan)形(Xing)通(Tong)、(?)暗(An)的(De)刻(Ke)线(Xian),(?)有(You)光(Guang)电(Dian)发(Fa)射(She)和(He)接(Jie)收(Shou)器(Qi)件(Jian)读(Du)取(Qu),获(Huo)得(De)四(Si)组(Zu)正(Zheng)弦(Xian)波(Bo)信(Xin)号(Hao)组(Zu)合(He)成(Cheng)A、(?)B、(?)C、(?)D,每(Mei)个(Ge)正(Zheng)弦(Xian)波(Bo)相(Xiang)差(Cha)90度(Du)相(Xiang)位(Wei)差(Cha)((?)相(Xiang)对(Dui)于(Yu)一(Yi)个(Ge)周(Zhou)波(Bo)为(Wei)360度(Du))(?),(?)将(Jiang)C、(?)D信(Xin)号(Hao)反(Fan)向(Xiang),(?)叠(Die)加(Jia)在(Zai)A、(?)B两(Liang)相(Xiang)上(Shang),(?)可(Ke)增(Zeng)强(Qiang)稳(Wen)定(Ding)信(Xin)号(Hao);(?)另(Ling)每(Mei)转(Zhuan)输(Shu)出(Chu)一(Yi)个(Ge)Z相(Xiang)脉(Mai)冲(Chong)以(Yi)代(Dai)表(Biao)零(Ling)位(Wei)参(Can)考(Kao)位(Wei)。(?)
由(You)于(Yu)A、(?)B两(Liang)相(Xiang)相(Xiang)差(Cha)90度(Du),(?)可(Ke)通(Tong)过(Guo)比(Bi)较(Jiao)A相(Xiang)在(Zai)前(Qian)还(Huan)是(Shi)B相(Xiang)在(Zai)前(Qian),(?)以(Yi)判(Pan)别(Bie)编(Bian)码(Ma)器(Qi)的(De)正(Zheng)转(Zhuan)与(Yu)反(Fan)转(Zhuan),(?)通(Tong)过(Guo)零(Ling)位(Wei)脉(Mai)冲(Chong),(?)可(Ke)获(Huo)得(De)编(Bian)码(Ma)器(Qi)的(De)零(Ling)位(Wei)参(Can)考(Kao)位(Wei)。(?)
编(Bian)码(Ma)器(Qi)码(Ma)盘(Pan)的(De)材(Cai)料(Liao)有(You)玻(Bo)璃(Li)、(?)金(Jin)属(Shu)、(?)塑(Su)料(Liao),(?)玻(Bo)璃(Li)码(Ma)盘(Pan)是(Shi)在(Zai)玻(Bo)璃(Li)上(Shang)沉(Chen)积(Ji)很(Hen)薄(Bao)的(De)刻(Ke)线(Xian),(?)其(Qi)热(Re)稳(Wen)定(Ding)性(Xing)好(Hao),(?)精(Jing)度(Du)高(Gao),(?)金(Jin)属(Shu)码(Ma)盘(Pan)直(Zhi)接(Jie)以(Yi)通(Tong)和(He)不(Bu)通(Tong)刻(Ke)线(Xian),(?)不(Bu)易(Yi)碎(Sui),(?)但(Dan)由(You)于(Yu)金(Jin)属(Shu)有(You)一(Yi)定(Ding)的(De)厚(Hou)度(Du),(?)精(Jing)度(Du)就(Jiu)有(You)限(Xian)制(Zhi),(?)其(Qi)热(Re)稳(Wen)定(Ding)性(Xing)就(Jiu)要(Yao)比(Bi)玻(Bo)璃(Li)的(De)差(Cha)一(Yi)个(Ge)数(Shu)量(Liang)级(Ji),(?)塑(Su)料(Liao)码(Ma)盘(Pan)是(Shi)经(Jing)济(Ji)型(Xing)的(De),(?)其(Qi)成(Cheng)本(Ben)低(Di),(?)但(Dan)精(Jing)度(Du)、(?)热(Re)稳(Wen)定(Ding)性(Xing)、(?)寿(Shou)命(Ming)均(Jun)要(Yao)差(Cha)一(Yi)些(Xie)。(?)
分(Fen)辨(Bian)率(Lu)—编(Bian)码(Ma)器(Qi)以(Yi)每(Mei)旋(Xuan)转(Zhuan)360度(Du)提(Ti)供(Gong)多(Duo)少(Shao)的(De)通(Tong)或(Huo)暗(An)刻(Ke)线(Xian)称(Cheng)为(Wei)分(Fen)辨(Bian)率(Lu),(?)也(Ye)称(Cheng)解(Jie)析(Xi)分(Fen)度(Du)、(?)或(Huo)直(Zhi)接(Jie)称(Cheng)多(Duo)少(Shao)线(Xian),(?)一(Yi)般(Ban)在(Zai)每(Mei)转(Zhuan)分(Fen)度(Du)5~10000线(Xian)。(?)
信(Xin)号(Hao)输(Shu)出(Chu):
信(Xin)号(Hao)输(Shu)出(Chu)有(You)正(Zheng)弦(Xian)波(Bo)((?)电(Dian)流(Liu)或(Huo)电(Dian)压(Ya))(?),方(Fang)波(Bo)((?)TTL、(?)HTL)(?),集(Ji)电(Dian)极(Ji)开(Kai)路(Lu)((?)PNP、(?)NPN)(?),推(Tui)拉(La)式(Shi)多(Duo)种(Zhong)形(Xing)式(Shi),(?)其(Qi)中(Zhong)TTL为(Wei)长(Chang)线(Xian)差(Cha)分(Fen)驱(Qu)动(Dong)((?)对(Dui)称(Cheng)A,A-;B,B-;Z,Z-)(?),HTL也(Ye)称(Cheng)推(Tui)拉(La)式(Shi)、(?)推(Tui)挽(Wan)式(Shi)输(Shu)出(Chu),(?)编(Bian)码(Ma)器(Qi)的(De)信(Xin)号(Hao)接(Jie)收(Shou)设(She)备(Bei)接(Jie)口(Kou)应(Ying)与(Yu)编(Bian)码(Ma)器(Qi)对(Dui)应(Ying)。(?)
信(Xin)号(Hao)连(Lian)接(Jie)—编(Bian)码(Ma)器(Qi)的(De)脉(Mai)冲(Chong)信(Xin)号(Hao)一(Yi)般(Ban)连(Lian)接(Jie)计(Ji)数(Shu)器(Qi)、(?)PLC、(?)计(Ji)算(Suan)机(Ji),(?)PLC和(He)计(Ji)算(Suan)机(Ji)连(Lian)接(Jie)的(De)模(Mo)块(Kuai)有(You)低(Di)速(Su)模(Mo)块(Kuai)与(Yu)高(Gao)速(Su)模(Mo)块(Kuai)之(Zhi)分(Fen),(?)开(Kai)关(Guan)频(Pin)率(Lu)有(You)低(Di)有(You)高(Gao)。(?)
如(Ru)单(Dan)相(Xiang)联(Lian)接(Jie),(?)用(Yong)于(Yu)单(Dan)方(Fang)向(Xiang)计(Ji)数(Shu),(?)单(Dan)方(Fang)向(Xiang)测(Ce)速(Su)。(?)
A.B两(Liang)相(Xiang)联(Lian)接(Jie),(?)用(Yong)于(Yu)正(Zheng)反(Fan)向(Xiang)计(Ji)数(Shu)、(?)判(Pan)断(Duan)正(Zheng)反(Fan)向(Xiang)和(He)测(Ce)速(Su)。(?)
A、(?)B、(?)Z三(San)相(Xiang)联(Lian)接(Jie),(?)用(Yong)于(Yu)带(Dai)参(Can)考(Kao)位(Wei)修(Xiu)正(Zheng)的(De)位(Wei)置(Zhi)测(Ce)量(Liang)。(?)
A、(?)A-,(?)B、(?)B-,(?)Z、(?)Z-连(Lian)接(Jie),(?)由(You)于(Yu)带(Dai)有(You)对(Dui)称(Cheng)负(Fu)信(Xin)号(Hao)的(De)连(Lian)接(Jie),(?)电(Dian)流(Liu)对(Dui)于(Yu)电(Dian)缆(Lan)贡(Gong)献(Xian)的(De)电(Dian)磁(Ci)场(Chang)为(Wei)0,(?)衰(Shuai)减(Jian)小(Xiao),(?)抗(Kang)干(Gan)扰(Rao)佳(Jia),(?)可(Ke)传(Chuan)输(Shu)较(Jiao)远(Yuan)的(De)距(Ju)离(Li)。(?)
普(Pu)通(Tong)编(Bian)码(Ma)器(Qi)与(Yu)优(You)先(Xian)编(Bian)码(Ma)器(Qi)的(De)区(Qu)别(Bie)
区(Qu)别(Bie):(?)普(Pu)通(Tong)编(Bian)码(Ma)器(Qi)一(Yi)次(Ci)只(Zhi)能(Neng)输(Shu)入(Ru)一(Yi)个(Ge)信(Xin)号(Hao),(?)优(You)先(Xian)编(Bian)码(Ma)器(Qi)可(Ke)以(Yi)同(Tong)时(Shi)输(Shu)入(Ru)几(Ji)个(Ge)信(Xin)号(Hao)。(?)
目(Mu)前(Qian)经(Jing)常(Chang)使(Shi)用(Yong)的(De)是(Shi)就(Jiu)是(Shi)普(Pu)通(Tong)编(Bian)码(Ma)器(Qi)与(Yu)优(You)先(Xian)编(Bian)码(Ma)器(Qi)这(Zhe)两(Liang)种(Zhong)。(?)
但(Dan)要(Yao)注(Zhu)意(Yi)优(You)先(Xian)编(Bian)码(Ma)器(Qi)在(Zai)设(She)计(Ji)时(Shi)已(Yi)经(Jing)将(Jiang)各(Ge)输(Shu)入(Ru)信(Xin)号(Hao)的(De)优(You)先(Xian)顺(Shun)序(Xu)排(Pai)好(Hao),(?)当(Dang)几(Ji)个(Ge)信(Xin)号(Hao)同(Tong)时(Shi)输(Shu)入(Ru)时(Shi),(?)优(You)先(Xian)权(Quan)高(Gao)的(De)信(Xin)号(Hao)优(You)先(Xian)编(Bian)码(Ma)。(?)优(You)先(Xian)级(Ji)低(Di)的(De)信(Xin)号(Hao)则(Ze)不(Bu)起(Qi)作(Zuo)用(Yong)。(?)