b&r e1633190120
b&r e1633190120
b&r e1633190120
福州卓凯电子科技有限公司联系人:林工
24小时咨询热线:17705012279
tel:0591-22989937
qq:879520885
传真:0591-22989937
公司地址:福州市闽侯西江滨大道77号正荣润园一号楼1205室
产品价格以电话或者qq询价为准,发布价格及图片不做参考
plc的发展历程
在工业生产过程中,大量的开关量顺序控制,它按照逻辑条件进行顺序动作,并按照逻辑关系进行连锁保护动作的控制,及大量离散量的数据采集。传统上,这些功能是通过气动或电气控制系统来实现的。1968年美国gm(通用汽车)公司提出取代继电气控制装置的要求,第二年,美国数字公司研制出了基于集成电路和电子技术的控制装置,首次采用程序化的手段应用于电气控制,这就是第一代可编程序控制器,称programmable controller(pc)。
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福建卓凯电子科技有限公司
17705012279
中国 福州