IC693APU301
IC693APU301
IC693APU301
梯形圖邏輯控制順序的設(shè)計，可以從手工繪制梯形圖開始。在繪制過程中，設(shè)計員可以在仔細(xì)分析機床工作原理或動作順序的基礎(chǔ)上，用流程圖，時序圖等描述，信號與機床運行間的邏輯順序關(guān)系，然后再據(jù)此設(shè)計梯形圖的控制順序。
在梯形圖中，要用大量的輸入觸點符號。設(shè)計員應(yīng)搞清輸入信號與“1”和“0”狀態(tài)的關(guān)系。若外部信號觸點是常開觸點，當(dāng)觸點動作時（即閉合），則輸入信號為“1”，若信號觸點是常閉觸點，當(dāng)觸點動作時（即打開），則輸入信號為“0”。
對一臺特定的數(shù)控機床來說，只要能滿足控制要求，對梯形圖的結(jié)構(gòu)、規(guī)模并沒有硬性的規(guī)定。設(shè)計員可以按各種思路和邏輯方案進行編程。但理想的梯形圖程序除能滿足機床控制要求外，還應(yīng)具有最少的步數(shù)、最短的順序處理時間和易于理解的邏輯關(guān)系。
◆ 企業(yè)名稱：廈門泰尼電氣有限公司
◆ 聯(lián)系人： 張敏
◆ 電話：0592-6809807
◆ 聯(lián)系手機：18144168456
◆ QQ:1480653152
◆ 傳真：0592-6890859 （備注“01016”收）
◆ E-mail： 1480653152@qq.com
◆ 主營業(yè)務(wù)：DCS,PLC
◆ 經(jīng)營模式： 貿(mào)易
◆ 貿(mào)易地區(qū)： 全國
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