PLC提供了多種編程語(yǔ)言，其中梯形圖使用*普遍。PLC是面向用戶(hù)的設(shè)備，PLC的設(shè)計(jì)者充分考慮到現(xiàn)場(chǎng)工程技術(shù)人員的技能和習(xí)慣，因此PLC程序的編制采用梯形圖的簡(jiǎn)單指令形式。梯形圖與繼電原理圖相似，這種編程語(yǔ)言形象直觀(guān)，易學(xué)易懂，不需要專(zhuān)門(mén)的計(jì)算機(jī)知識(shí)和語(yǔ)言，現(xiàn)場(chǎng)工程技術(shù)人員可在短時(shí)間內(nèi)學(xué)會(huì)使用。用戶(hù)在購(gòu)買(mǎi)PLC后，只需按說(shuō)明書(shū)的提示，做少量的接線(xiàn)和進(jìn)行簡(jiǎn)易的用戶(hù)程序編制工作，就可靈活方便地將PLC應(yīng)用于生產(chǎn)實(shí)踐。
PLC是通過(guò)執(zhí)行程序?qū)崿F(xiàn)控制的。當(dāng)控制要求發(fā)生改變時(shí)，只要修改程序即可，*大限度地縮短了工藝更新所需要的時(shí)間。PLC的產(chǎn)品已標(biāo)準(zhǔn)化、系列化、模塊化，而且PLC及配套產(chǎn)品的模塊品種多，用戶(hù)可以靈活方便地進(jìn)行系統(tǒng)配置組合成各種不同規(guī)模、不同功能的控制系統(tǒng)。在PLC控制系統(tǒng)中，只需在PLC的端子上接入相應(yīng)的輸入/輸出信號(hào)線(xiàn)即可，不需要進(jìn)行大量且復(fù)雜的硬接線(xiàn)，并且PLC有較強(qiáng)的帶負(fù)載能力，可以直接驅(qū)動(dòng)一般的電磁閥和交流接觸器。
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LAM 796-L000716-001-00 VALVE, CHECK
LAM 796-S002925-013-00 VALVE, SOLENOID GATE VALVE SW2000
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LAM 799-130053-003 ASSY,INT CONT BOX SEND
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LAM 80-0002-042 CABLE,FIBER OPTIC,.04,THRE
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LAM 801018 TRANSFORMER P8662 24V/2A STANCOR TRANSFORMER384-T
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LAM 810-017001-001 MOTHER BOARD
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LAM 810-034808-003 ASSY TURBO/RF INTERLOCK PCB
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LAM 810-04764 COVER BELLOWS
LAM 810-04764R COVER BELLOWS
LAM 810-0503-001 PCB, CONTROL RF MATCH
LAM 810-0530-001 PCB, DRIVER MOTOR
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LAM 810-077366-001 PERIPHERAL I/O MOTHERBOARD
LAM 810-077383-001 LED BOARD INTERLOCK/EMO
LAM 810-077388-001 HOST CONTROL BD
LAM 810-077391-001 GAS INTLK PCB
LAM 810-077393-002 CHAMBER INTERFACE PCB
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LAM 810-077434-001 CHILLER INTERFACE PCB
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