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在PLC發(fā)展的初期，沿用了設計繼電器電路圖的方法來設計梯形圖程序，即在已有的些典型梯形圖的基礎上，根據被控對象對控制的要求，不斷地修改和完善梯形圖。有時需要多次反復地調試和修改梯形圖，不斷地增加中間編程元件和觸點，最后才能得到一個較為滿意的結果。這種方法沒有普遍的規(guī)律可以遵循，設計所用的時間、設計的質量與編程者的經驗有很大的關系，所以有人把這種設計方法稱為經驗設計法。它可以用于邏輯關系較簡單的梯形圖程序設計。
用經驗設計法設計PLC程序時大致可以按下面幾步來進行：分析控制要求、選擇控制原則；設計主令元件和檢測元件，確定輸入輸出設備；設計執(zhí)行元件的控制程序；檢查修改和完善程序。
產品廣泛應用領域：
●電力行業(yè)
●電力-電廠輸煤程控系統(tǒng)
●電力-電氣化水系統(tǒng)
●電力-除灰除渣系統(tǒng)
●化工-鹽化廠
●冶金-煉鐵高爐系統(tǒng)
●水利-水電廠監(jiān)控系統(tǒng)
●汽車制造行業(yè)
●鋼鐵及鍋爐行業(yè)
●供水及水處理行業(yè)
●造紙及印刷行業(yè)
●玻璃生產及加工行業(yè)
●電站及小水電控制行業(yè)
●水泥制品及生產制造行業(yè)
●鐵路運輸裝卸行業(yè)
●我們售出的產品都經過專業(yè)的測試和認證，且質保一年，15天內包退換，滿意后付款!!!
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公司名稱：廈門泰尼電氣有限公司
聯(lián)系人：小廖（銷售代表）
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