描述
QLCDM024DCBAN
通信、聯(lián)網(wǎng)功能
現(xiàn)代PLC大多數(shù)都采用了通信、網(wǎng)絡技術，有RS232或RS485接口，可進行遠程I/O控制，多臺 PLC可彼此間聯(lián)網(wǎng)、通信，外部器件與一臺或多臺可編程控制器的信號處理單元之間，實現(xiàn)程序和數(shù)據(jù)交換，如程序轉移、數(shù)據(jù)文檔轉移、監(jiān)視和診斷。通信接口或通信處理器按標準的硬件接口或專有的通信協(xié)議完成程序和數(shù)據(jù)的轉移。如西門 子S7-200的Profibus現(xiàn)場總線口，其通信速率可以達到12Mbps。
在系統(tǒng)構成時，可由一臺計算機與多臺PLC構成“集中管理、分散控制”的分布式控制網(wǎng)絡，以便完成較大規(guī)模的復雜控制。通常所說的SCADA系統(tǒng)，現(xiàn)場端和遠程端也可以采用PLC作現(xiàn)場機。人機界面功能
提供操作者以監(jiān)視機器/過程工作必需的信息。允許操作者和PC系統(tǒng)與其應用程序相互作用，以便作決策和調(diào)整。實現(xiàn)人機界面功能的手段：從基層的操作者屏幕文字顯示，到單機的CRT顯示與鍵盤操作和 用通信處理器、專用處理器、個人計算機、工業(yè)計算機的分散和集中操作與監(jiān)視系統(tǒng)。編程、調(diào)試等使用復雜程度不同的手持、便攜和桌面式編程器、工作站和操作屏，進行編程、調(diào)試、監(jiān)視 、試驗和記錄，并通過打印機打印出程序文件。
可編程控制器的主要特點可靠性高
PLC的MTBF一般在40000～50000h以上，西門子、ABB、松下等微小型PLC可達10萬h以上，而 且均有完善的自診斷功能，判斷故障迅速，便于維護。
模塊化組合靈活
可編程控制器是系列化產(chǎn)品，通常采用模塊結構來完成不同的任務組合。I/O從8～8192點， 有多種機型、多種功能模板可靈活組合，結構形式也是多樣的。
功能強
PLC應用微電子技術和微計算機，簡單型式都具有邏輯、定時、計數(shù)等順序控制功能?；?型式再加上模擬I/O、基本算術運算、通信能力等。復雜型式除了具有基本型式的功能外，還具有擴展的計算能力、多級終端機制、智能I/O、PID調(diào)節(jié)、過程監(jiān)視、網(wǎng)絡通信能力、遠程I/O、多處理器和高速數(shù)據(jù)處理能力。
編程方便
PLC適用針對工業(yè)控制的梯形圖、功能塊圖、指令表和順序功能表圖(SFC)編程，不需要太多 的計算機編程知識。新的編程工作站配有綜合的軟件工具包，并可在任何兼容的個人計算機 上編程。
適應工業(yè)環(huán)境
PLC的技術條件能在一般高溫、振動、沖擊和粉塵等惡劣環(huán)境下工作，能在強電磁干擾環(huán)境 下可靠工作。這是PLC產(chǎn)品的市場生存價值。
產(chǎn)品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質量，
優(yōu)勢價格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊
PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質保 大量現(xiàn)貨? 國內(nèi)實力庫存商家
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