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價(jià)格:電議
所在地:福建 廈門市
型號(hào):IC693ALG223
更新時(shí)間:2018-01-16
瀏覽次數(shù):1245
公司地址:廈門市海滄區(qū)滄湖東一里502號(hào)702
陽(yáng)工(先生)
IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200IC693ALG223驅(qū)動(dòng)GE器140CRP93200
(4)輸入輸出組件(I/0模塊)
I/0模塊是CPU與現(xiàn)場(chǎng)I/0裝置或其它外部設(shè)備之間的連接部件。PLC提供了各種操作電平與驅(qū)動(dòng)能力的I/0模塊和各種用途的I/0組件供用戶選用。如輸入/輸出電平轉(zhuǎn)換、電氣隔離、串/并行轉(zhuǎn)換數(shù)據(jù)、誤碼較驗(yàn)、A/D或D/A轉(zhuǎn)換以及其它功能模塊等。I/0模塊將外界輸入信號(hào)變成CPU能接受的信號(hào),或?qū)PU的輸出信號(hào)變成需要的控制信號(hào)去驅(qū)動(dòng)控制對(duì)象(包括開關(guān)量和模擬量),以確保整個(gè)系統(tǒng)正常工作。
輸入的開關(guān)量信號(hào)接在IN端和0V端之間,PLC內(nèi)部提供24V電源,輸入信號(hào)通過(guò)光電隔離,通過(guò)R/C濾波進(jìn)入CPU控制板,CPU發(fā)出輸出信號(hào)至輸出端。PLC輸出有三種型式:繼電器方式、晶體管方式和晶閘管方式。
(5)編程器
編程器是用于用戶程序的編制、編輯、調(diào)試檢查和監(jiān)視等。還可以通過(guò)其鍵盤去調(diào)用和顯示PLC的一些內(nèi)部狀態(tài)和系統(tǒng)參數(shù)。它通過(guò)通訊端口與CPU聯(lián)系,完成人機(jī)對(duì)話連接。編程器上有供編程用的各種功能鍵和顯示燈以及編程、監(jiān)控轉(zhuǎn)換開關(guān)。編程器的鍵盤采用梯形圖語(yǔ)言鍵符式命令語(yǔ)言助記符,也可以采用軟件的功能鍵符,通過(guò)屏幕對(duì)話方式進(jìn)行編程。
編程器分為簡(jiǎn)易型和智能型兩類。前者只能連機(jī)編程,而后者既可連機(jī)編程又可脫機(jī)編程。同時(shí)前者輸入梯形圖的語(yǔ)言鍵符,后者可以直接輸入梯形圖。根據(jù)不同檔次的PLC產(chǎn)品選配相應(yīng)的編程器。
(6)外部設(shè)備
一般PLC都配有盒式錄音機(jī)、打印機(jī)、EPR0M寫入器、高分辨率屏幕彩色圖形監(jiān)控系統(tǒng)等外部設(shè)備。
(7)電源
根據(jù)PLC的設(shè)計(jì)特點(diǎn),它對(duì)電源并無(wú)特別要求,可使用一般工業(yè)電源。
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