產地:IC693CPU374 |
1747-L541
1、理論課的任務是讓學生明確PLC是什麼?PLC能做什麼?怎麼做?教師可以通過一個簡單、形象實例(如:電機的長動控制)的完整講解、操作與演示,先讓學生了解PLC控制係統包括主電路與控制電路,PLC的外部硬件連線與內部軟件編程兩個基本的環節僅僅充當控制電路部分,讓學生整體了解PLC控制係統的構成與工作過程,再以此為基礎進行外部硬件連線與內部軟件編程兩個基本環節的深入講解,這樣便於學生對比繼電接觸器控制係統對本課程的整體把握,明確課程的中心任務,有了目標也就有了學習的動力。
理論課教學過程中要使用多媒體教學手段,利用多種計算機技術制作以PPT為主體的電子課件,借助多媒體技術,用生動豐富的畫面和美妙動聽的音樂效果吸引學生的注意力,激發學生的學習興趣,同時可以提高教學的效率。PLC的外部接線(包括主電路接線)首先講原理圖,結合實驗、實訓、實習講解裝配圖與實際連線圖,要讓學生體會課堂上的原理圖、實驗中的接線與實訓、實習中的接線的區別與聯係,教會學生善於理論聯係實踐,以理論指導實踐,以實踐驗證理論。
當前流行的三菱PLC的編程軟件為FXGP_WIN-C與GXDeveloper,FXGP_WIN-C沒有倣真功能,在理論講授中缺乏直觀性,而GXDeveloper編程軟件加裝GXSimulator6-C後具有倣真功能,在編程器件、指令與編程實例的講解中利用倣真可以加強直觀性,便於學生的理解,對於某些程序的檢驗與編寫學生可以不用到實驗室,直接利用學校機房結合軟件的倣真功能完成,這樣既增強了學生自主學習的能力,提高了學習興趣,也提高了學習的效率,學生不用走進實驗室也能使理論教學與實驗教學同步進行,大大提高老師的教學效果以及學生的理解和接受能力。
公司名稱:廈門仲鑫達自動化設備有限公司
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