系統(tǒng)集成編輯在制造工業(yè)中存在大量的開關(guān)量為主的開環(huán)的順序控制，它按照邏輯條件進行順序動作號按照時序動作;另外還有與順序、時序無關(guān)的按照邏輯關(guān)系進行連鎖保護動作的控制;以及大量的開關(guān)量、脈沖量、計時、計數(shù)器、模擬量的越限報警等狀態(tài)量為主的—離散量的數(shù)據(jù)采集監(jiān)視。由于這些控制和監(jiān)視的要求，使PLC發(fā)展成了取代繼電器線路和進行順序控制為主的產(chǎn)品。PLC廠家在原來CPU模板上提逐漸增加了各種通訊接口，現(xiàn)場總線技術(shù)及以太網(wǎng)技術(shù)也同步發(fā)展，使PLC的應用范圍越來越廣泛。 PLC具有穩(wěn)定可靠、價格便宜、功能齊全、應用靈活方便、操作維護方便的優(yōu)點，這是它能持久的占有市場的根本原因。
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Lisa AWG Adap 2 V 4 05 Big AWG
New (Other)
1 650 40
+ 321 88 shipping
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Lisa V 4 30 Big AWG3-V2M
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1 650 40
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HBC Radiomatic 72 11 047 B F-Block EU-1 FB43 63769 716-0413543 MT034080
Pre-Owned
1 650 40
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KUHNKE KT-PA5MSB/0188 heukelom procestechniek BV 090080 PTAE 08B 00
Pre-Owned
1 650 32
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Georg broke 30t 21334
Pre-Owned
1 650 32
+ 321 88 shipping
