1756-ib32

1756-ib32

1756-ib32

1、plc的基本概念
早期的可编程控制器称作可编程逻辑控制器（prograable logiccontroller,plc），它主要用来代替继电器实现逻辑控制。随着技术的发展，这种采用微型计算机技术的工业控制装置的功能已经大大超过了逻辑控制的范围，因此，今天这种装置称作可编程控制器，简称pc。但是为了避免与个人计算机（personalcomputer）的简称混淆，所以将可编程序控制器简称plc。plc自1969年美国数据设备公司（dec）研制出现，现行美国、日本、德国的可编程序控制器质量优良，功能强大。
2、plc的基本结构
plc实质是一种专用于工业控制的计算机，其硬件结构基本上与微型计算机相同，基本构成为：
a、电源
plc的电源在整个系统中起着十分重要的作用。如果没有一个良好的、可靠的电源系统是无法正常工作的，因此plc的制造商对电源的设计和制造也十分重视。一般交流电压波动在+10%(+15%）范围内，可以不采取其它措施而将plc直接连接到交流电网上去

◆ 企业名称：厦门泰尼电气有限公司


◆ 企业性质： 有限责任公司


◆ 主营业务：dcs,plc


◆ 经营模式： 贸易


◆ 贸易地区： 全国


◆ 联系人： 小廖女士）


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◆ 联系：


◆ 490371370
◆ 传真： （备注“01008”收）


◆ e-mail：  


◆ 邮政编码： 361026




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allen-bradley ac servo motor w/ gear 1326ab-b420e-21 56dm3a 1.09kw3000rmp\'s




allen-bradley ac servo motor 1326ab-b420e-21 3000 rpm 1.09 kw




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