IC200ALG240LT

廈門莫格電氣自動化有限公司

主營產品，優勢供應，充足庫存：

各品牌DCS、PLC備件

l Invensys Foxboro（福克斯波羅）：I/A Series系統，FBM（現場輸入/輸出模塊）順序控制、梯形邏輯控制、事故追憶處理、數模轉換、輸入/輸出信號處理、數據通信及處理等。

l Invensys Triconex: 冗余容錯控制系統、基于三重模件冗余（TMR）結構的zui現代化的容錯控制器。

l Bently Nevada（本特利）：3500/3300系統

l Westinghouse（西屋）： OVATION系統、WDPF系統、WEStation系統備件。

l Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。

l Schneider Modicon（施耐德*康）：Quantum 140系列處理器、控制卡、電源模塊等。

l ABB：工業機器人備件DSQC系列、Bailey INFI 90等。

l Siemens(西門子)：Siemens MOORE， Siemens Simatic C1，Siemens數控系統等。

l Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

l XYCOM：I/O 、VME板和處理器等。

l GE FANUC(GE發那科)：模塊、卡件、驅動器等各類備件。

l Yaskawa（安川）：伺服控制器、伺服馬達、伺服驅動器。

l Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅動模塊等。

l Woodward（伍德沃德）：SPC閥位控制器、PEAK150數字控制器。

IC200ALG240LT

：雷琳（銷售工程師） 電  話 ：0592 680 8394 手   機；  

：1982497648     ；    

郵    箱：1982497648     傳    真：（請備注雷琳收）

近年來，人們更關注的是步進電機的變頻特性。由于事物變化的不均勻性，定頻技術越來越顯示出它的局限性，而變頻技術卻能很好地適應各種隨機變化的系統。本文就是介紹采用PLC控制的步進電機的變頻特性，使其運用在紡織機的送經裝置中。 

用可編程控制器（PLC）產生各種步進脈沖驅動步進電機去達到各種控制、測試目的己屢見不鮮了。步進電機由于具有轉子慣量低、定位精度高、無累積誤差、控制簡單等特點，成了工控的主要執行元件之一，尤其是在精確定位場合中得到了廣泛的應用。但近年來，人們更關注的卻是它的變頻特性。由于事物變化的不均勻性，定頻技術越來越顯示出它的局限性，而變頻技術卻能很好地適應各種隨機變化的系統。

PLC對步進電機的控制

PLC是廣泛應用于工業自動化領域的控制器，它的功能越來越強，性能越來越*。為了配合步進電機的控制，許多PLC都內置了脈沖輸出功能，并設置了相應的控制指令，可以很好地對步進電機進行控制，圖1是松下FP0-C16T晶體管輸出型PLC的輸出電路結構。

結 語

實驗效果表明，本文研制的步進電機送經裝置性能良好，工作可靠。配上多種功能的人機界面后可以實現織軸收放經紗的可視化操作，改變緯密的鍵盤輸入，防止開車橫擋，出現異常情況時自動關車報警等功能。

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