A06B-6058-H011FUANC A06B-6058-H011FUANC
PLC是一種工業(yè)控制系統(tǒng),它的控制對象是工業(yè)生產(chǎn)設(shè)備或工業(yè)生產(chǎn)過程,工作環(huán)境是工業(yè)生產(chǎn)現(xiàn)場。它與工業(yè)生產(chǎn)過程的是通過I/O接口模塊來實現(xiàn)的。
通過I/O接口模塊可以檢測被控生產(chǎn)過程的各種參數(shù),并以這些現(xiàn)場數(shù)據(jù)作為控制信息對被控對象進行控制。同時通過I/O接口模塊將控制器的處理結(jié)果送給被控設(shè)備或工業(yè)生產(chǎn)過程,從而驅(qū)動各種執(zhí)行機構(gòu)來實現(xiàn)控制。PLC從現(xiàn)場收集的信息及輸出給外部設(shè)備的控制信號都需經(jīng)過一定距離,為了確保這些信息的正確無誤,PLC的I/O接口模塊都具有較好的抗*力。根據(jù)實際需要,一般情況下,PLC都有許多I/O接口模塊,包括開關(guān)量輸入模塊、開關(guān)量輸出模塊、模擬量輸入模塊、模擬量輸出模塊以及其它一些特殊模塊,使用時應根據(jù)它們的特點進行選擇。
武漢路易達自動化設(shè)備有限公司
:李
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地址:武漢市東西湖區(qū)走馬嶺匯通公路港
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