1794-TB2現(xiàn)貨
智能化,從字面上可以理解為一種感官描述,直觀來說就是用‘物的智慧’來補(bǔ)充和代替‘人的智
慧’,讓人覺得‘物’具備了與‘人’一樣的智慧,這也讓很多企業(yè)提出‘只要用戶覺得智能就是智
能’的理念。”但邱伯華認(rèn)為,對工業(yè)產(chǎn)品來說,其性能指標(biāo)先進(jìn)性已經(jīng)不再是用戶關(guān)心的問題,
終端用戶更看重的是如何能夠更好地利用、和所的工業(yè)產(chǎn)品,關(guān)心對產(chǎn)品狀態(tài)的定量
化了解和未來趨勢的問題。
工業(yè)主要由設(shè)計(jì)者、制造與集成者以及使用者組成。與德國、美國相比,我國整體上仍較為薄弱
,但作為制造大國、使用大國,產(chǎn)品價(jià)值鏈?zhǔn)滞暾钟泻軓?qiáng)的制造能力和豐富的使用,大量
數(shù)據(jù)在我國匯集,但數(shù)據(jù)并不會直接創(chuàng)造價(jià)值,真正能為企業(yè)帶來價(jià)值的是數(shù)據(jù)流,是數(shù)據(jù)經(jīng)過實(shí)時(shí)
分析后及時(shí)流向決策鏈的各個(gè)環(huán)節(jié),或是成為面向客戶創(chuàng)值服務(wù)的內(nèi)容和依據(jù),也就是“使用”
帶來的價(jià)值
2. 可編程序控制器選型
1) 硬件配置
系統(tǒng)輸入信號有3個(gè)啟動按鈕,4個(gè)限位開關(guān),5個(gè)手動輸入信號,1個(gè)有工件檢測信號,共計(jì)14個(gè)數(shù)字量輸入信號;輸出信號有機(jī)械手上升下降驅(qū)動信號﹑左移右移驅(qū)動信號和機(jī)械手夾緊驅(qū)動信號,共有5個(gè)數(shù)字量輸出信號。不需模擬量模塊,選擇S7-300系列的CPU313,加上數(shù)字量輸入模塊SM321及輸出模塊SM322就可以滿足要求,而且還有一定的裕量。
2) IO地址分配
將14個(gè)輸入信號、5個(gè)輸出信號與PLC的IO端一一對應(yīng),編排好地址,
其它地址分配
(1) 夾緊定時(shí)器T1,定時(shí)5 s;
(2) 放松定時(shí)器T2,定時(shí)5 s;
(3) 自動方式標(biāo)志M0.0;
(4) 單動方式標(biāo)志M0.1;
(5) 手動方式標(biāo)志M0.2;
(6) 結(jié)束標(biāo)志M0.5。
3. 機(jī)械手程序設(shè)計(jì)
1) 邏輯功能塊(子程序)
邏輯功能塊包括兩個(gè)部分:自動方式或單動方式控制(FC10)和手動方式控制(FC11)。
(1) 自動方式或單動方式控制(FC10)的具體程序(梯形圖表示)如圖6.3所示。
(2) 手動方式控制(FC11)的具體程序(梯形圖表示)如圖6.4所示。
2) 組織塊(主程序)
組織塊OB1用于設(shè)定機(jī)械手啟動方式,主要負(fù)責(zé)功能塊或子程序的調(diào)用,是自動運(yùn)行還是單動運(yùn)行,以及系統(tǒng)的循環(huán)掃描、故障診斷和輸出刷新。其梯形圖如圖6.5所示。
5.1 編程方式與程序塊
5.2 數(shù)據(jù)塊與數(shù)據(jù)結(jié)構(gòu)
5.3 S7系列PLC程序設(shè)計(jì)
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1794-TB2
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1794-TB2
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1794-TB2
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