HART采(Cai)集(Ji)系(Xi)统(Tong)如(Ru)何(He)与(Yu)PLC编(Bian)程(Cheng)语(Yu)言(Yan)一(Yi)起(Qi)使(Shi)用(Yong)
(?) (?)HART采(Cai)集(Ji)系(Xi)统(Tong)是(Shi)一(Yi)种(Zhong)用(Yong)于(Yu)工(Gong)业(Ye)自(Zi)动(Dong)化(Hua)领(Ling)域(Yu)的(De)通(Tong)讯(Xun)和(He)数(Shu)据(Ju)采(Cai)集(Ji)解(Jie)决(Jue)方(Fang)案(An)，(?)它(Ta)基(Ji)于(Yu)HART协(Xie)议(Yi)，(?)可(Ke)以(Yi)高(Gao)效(Xiao)地(Di)从(Cong)现(Xian)场(Chang)仪(Yi)表(Biao)设(She)备(Bei)中(Zhong)收(Shou)集(Ji)数(Shu)据(Ju)并(Bing)通(Tong)过(Guo)数(Shu)字(Zi)信(Xin)号(Hao)进(Jin)行(Xing)传(Chuan)输(Shu)。(?)HART协(Xie)议(Yi)是(Shi)一(Yi)种(Zhong)开(Kai)放(Fang)的(De)通(Tong)信(Xin)协(Xie)议(Yi)，(?)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)工(Gong)业(Ye)自(Zi)动(Dong)化(Hua)控(Kong)制(Zhi)系(Xi)统(Tong)中(Zhong)，(?)它(Ta)允(Yun)许(Xu)在(Zai)传(Chuan)统(Tong)的(De)4-20mA模(Mo)拟(Ni)信(Xin)号(Hao)上(Shang)叠(Die)加(Jia)数(Shu)字(Zi)信(Xin)号(Hao)，(?)实(Shi)现(Xian)对(Dui)设(She)备(Bei)的(De)远(Yuan)程(Cheng)监(Jian)控(Kong)和(He)控(Kong)制(Zhi)。(?) (?) (?)
(?) (?)可(Ke)编(Bian)程(Cheng)逻(Luo)辑(Ji)控(Kong)制(Zhi)器(Qi)（(?)PLC）(?)是(Shi)一(Yi)种(Zhong)用(Yong)于(Yu)自(Zi)动(Dong)化(Hua)控(Kong)制(Zhi)的(De)电(Dian)子(Zi)设(She)备(Bei)，(?)它(Ta)能(Neng)够(Gou)根(Gen)据(Ju)预(Yu)设(She)的(De)逻(Luo)辑(Ji)规(Gui)则(Ze)对(Dui)输(Shu)入(Ru)信(Xin)号(Hao)进(Jin)行(Xing)处(Chu)理(Li)，(?)并(Bing)控(Kong)制(Zhi)输(Shu)出(Chu)设(She)备(Bei)。(?)常(Chang)见(Jian)的(De)PLC编(Bian)程(Cheng)语(Yu)言(Yan)有(You)梯(Ti)形(Xing)图(Tu)、(?)功(Gong)能(Neng)块(Kuai)图(Tu)、(?)指(Zhi)令(Ling)表(Biao)等(Deng)形(Xing)式(Shi)。(?)
(?) (?)HART采(Cai)集(Ji)系(Xi)统(Tong)与(Yu)PLC编(Bian)程(Cheng)语(Yu)言(Yan)的(De)相(Xiang)互(Hu)作(Zuo)用(Yong)：(?)
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(?) (?)HART采(Cai)集(Ji)系(Xi)统(Tong)与(Yu)PLC编(Bian)程(Cheng)语(Yu)言(Yan)的(De)相(Xiang)互(Hu)作(Zuo)用(Yong)主(Zhu)要(Yao)通(Tong)过(Guo)HART协(Xie)议(Yi)实(Shi)现(Xian)。(?)在(Zai)PLC编(Bian)程(Cheng)中(Zhong)，(?)需(Xu)要(Yao)使(Shi)用(Yong)专(Zhuan)门(Men)的(De)HART模(Mo)块(Kuai)或(Huo)通(Tong)信(Xin)接(Jie)口(Kou)来(Lai)实(Shi)现(Xian)与(Yu)HART协(Xie)议(Yi)设(She)备(Bei)的(De)通(Tong)信(Xin)。(?)这(Zhe)些(Xie)模(Mo)块(Kuai)或(Huo)接(Jie)口(Kou)具(Ju)有(You)HART通(Tong)信(Xin)芯(Xin)片(Pian)和(He)PLC通(Tong)信(Xin)芯(Xin)片(Pian)，(?)用(Yong)于(Yu)在(Zai)二(?)者(Zhe)之(Zhi)间(Jian)进(Jin)行(Xing)数(Shu)据(Ju)的(De)转(Zhuan)换(Huan)和(He)传(Chuan)递(Di)。(?)
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(?) (?)在(Zai)实(Shi)际(Ji)的(De)PLC编(Bian)程(Cheng)中(Zhong)，(?)操(Cao)作(Zuo)者(Zhe)需(Xu)要(Yao)在(Zai)编(Bian)程(Cheng)软(Ruan)件(Jian)中(Zhong)配(Pei)置(Zhi)HART模(Mo)块(Kuai)或(Huo)通(Tong)信(Xin)接(Jie)口(Kou)的(De)通(Tong)信(Xin)参(Can)数(Shu)，(?)如(Ru)波(Bo)特(Te)率(Lu)、(?)通(Tong)信(Xin)地(Di)址(Zhi)等(Deng)。(?)随(Sui)后(Hou)，(?)通(Tong)过(Guo)编(Bian)写(Xie)程(Cheng)序(Xu)来(Lai)发(Fa)送(Song)特(Te)定(Ding)的(De)命(Ming)令(Ling)到(Dao)HART模(Mo)块(Kuai)或(Huo)通(Tong)信(Xin)接(Jie)口(Kou)，(?)这(Zhe)些(Xie)命(Ming)令(Ling)会(Hui)通(Tong)过(Guo)HART协(Xie)议(Yi)被(Bei)送(Song)往(Wang)HART仪(Yi)表(Biao)，(?)并(Bing)接(Jie)收(Shou)仪(Yi)表(Biao)返(Fan)回(Hui)的(De)数(Shu)据(Ju)。(?)
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(?) (?)例(Li)如(Ru)，(?)西(Xi)门(Men)子(Zi)的(De)STEP7编(Bian)程(Cheng)环(Huan)境(Jing)可(Ke)以(Yi)使(Shi)用(Yong)特(Te)定(Ding)的(De)功(Gong)能(Neng)块(Kuai)（(?)如(Ru)SFC58和(He)SFC59）(?)来(Lai)读(Du)取(Qu)HART模(Mo)板(Ban)中(Zhong)的(De)数(Shu)据(Ju)，(?)并(Bing)将(Jiang)这(Zhe)些(Xie)数(Shu)据(Ju)保(Bao)存(Cun)在(Zai)数(Shu)据(Ju)库(Ku)中(Zhong)供(Gong)进(Jin)一(Yi)步(Bu)处(Chu)理(Li)和(He)分(Fen)析(Xi)。(?)
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(?) (?)HART采(Cai)集(Ji)系(Xi)统(Tong)能(Neng)够(Gou)与(Yu)PLC编(Bian)程(Cheng)语(Yu)言(Yan)无(Wu)缝(Feng)集(Ji)成(Cheng)，(?)通(Tong)过(Guo)HART协(Xie)议(Yi)实(Shi)现(Xian)数(Shu)据(Ju)的(De)远(Yuan)程(Cheng)采(Cai)集(Ji)和(He)监(Jian)控(Kong)。(?)在(Zai)PLC编(Bian)程(Cheng)中(Zhong)，(?)通(Tong)过(Guo)配(Pei)置(Zhi)HART模(Mo)块(Kuai)或(Huo)通(Tong)信(Xin)接(Jie)口(Kou)的(De)参(Can)数(Shu)，(?)并(Bing)使(Shi)用(Yong)相(Xiang)应(Ying)的(De)编(Bian)程(Cheng)指(Zhi)令(Ling)，(?)可(Ke)以(Yi)有(You)效(Xiao)地(Di)从(Cong)HART协(Xie)议(Yi)设(She)备(Bei)中(Zhong)读(Du)取(Qu)数(Shu)据(Ju)，(?)实(Shi)现(Xian)工(Gong)业(Ye)自(Zi)动(Dong)化(Hua)控(Kong)制(Zhi)和(He)优(You)化(Hua)。(?)
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(?) (?)这(Zhe)种(Zhong)集(Ji)成(Cheng)化(Hua)的(De)解(Jie)决(Jue)方(Fang)案(An)提(Ti)供(Gong)了(Liao)高(Gao)效(Xiao)的(De)数(Shu)据(Ju)采(Cai)集(Ji)能(Neng)力(Li)和(He)灵(Ling)活(Huo)的(De)系(Xi)统(Tong)扩(Kuo)展(Zhan)性(Xing)，(?)适(Shi)用(Yong)于(Yu)多(Duo)种(Zhong)工(Gong)业(Ye)环(Huan)境(Jing)和(He)应(Ying)用(Yong)场(Chang)景(Jing)。(?)
