IC200ALG240LT

厦门莫格电气自动化有限公司

主营产品，优势供应，充足库存：

各品牌DCS、PLC备件

l Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。

l Invensys Triconex: 冗余容错控制系统、基于三重模件冗余（TMR）结构的zui现代化的容错控制器。

l Bently Nevada（本特利）：3500/3300系统

l Westinghouse（西屋）： OVATION系统、WDPF系统、WEStation系统备件。

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系列处理器、控制卡、电源模块等。

l ABB：工业机器人备件DSQC系列、Bailey INFI 90等。

l Siemens(西门子)：Siemens MOORE， Siemens Simatic C1，Siemens数控系统等。

l Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

l XYCOM：I/O 、VME板和处理器等。

l GE FANUC(GE发那科)：模块、卡件、驱动器等各类备件。

l Yaskawa（安川）：伺服控制器、伺服马达、伺服驱动器。

l Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。

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

IC200ALG240LT

：雷琳（销售工程师） 电  话 ：0592 680 8394 手   机；  

：1982497648     ；    

邮    箱：1982497648     传    真：（请备注雷琳收）

近年来，人们更关注的是步进电机的变频特性。由于事物变化的不均匀性，定频技术越来越显示出它的局限性，而变频技术却能很好地适应各种随机变化的系统。本文就是介绍采用PLC控制的步进电机的变频特性，使其运用在纺织机的送经装置中。 

用可编程控制器（PLC）产生各种步进脉冲驱动步进电机去达到各种控制、测试目的己屡见不鲜了。步进电机由于具有转子惯量低、定位精度高、无累积误差、控制简单等特点，成了工控的主要执行元件之一，尤其是在精确定位场合中得到了广泛的应用。但近年来，人们更关注的却是它的变频特性。由于事物变化的不均匀性，定频技术越来越显示出它的局限性，而变频技术却能很好地适应各种随机变化的系统。

PLC对步进电机的控制

PLC是广泛应用于工业自动化领域的控制器，它的功能越来越强，性能越来越*。为了配合步进电机的控制，许多PLC都内置了脉冲输出功能，并设置了相应的控制指令，可以很好地对步进电机进行控制，图1是松下FP0-C16T晶体管输出型PLC的输出电路结构。

结 语

实验效果表明，本文研制的步进电机送经装置性能良好，工作可靠。配上多种功能的人机界面后可以实现织轴收放经纱的可视化操作，改变纬密的键盘输入，防止开车横挡，出现异常情况时自动关车报警等功能。

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