基于CAN总线的塑料注吹中空成型机人机界面装置  

Design of Human-Machine Interface Device of Plastic Injection Blow Molding Machine Based on CAN Bus

作　　者：蔡启仲[1] 贺漾[1] 潘绍明[1] 

机构地区：[1]广西工学院电子信息与控制工程系,广西柳州545006

出　　处：《仪表技术与传感器》2011年第4期28-30,34,共4页Instrument Technique and Sensor

基　　金：广西科学与技术开发计划资助项目(桂科合0992031-4);广西科学基金资助项目(桂科自0991067)

摘　　要：根据塑料注吹双工位一步法中空成型机的工艺要求,以ARM7作为控制核心,CAN现场总线作为电气控制系统的通讯网络,研制了一种新型的人机界面装置。在描述该设备工艺过程的基础之上,论述了其电路设计,μC/OS-Ⅱ的移植和多任务的实时切换;移植μC/GUI实现图形、文字的显示。以任务为单位,编写人机界面应用程序。CAN总线通信以报文形式发送到CAN总线上的相关节点,实现各模块之间的通信,达到实用的要求。According to requirements of plastic injection blow double working one-step hollow molding machine,this paper took ARM7 as control core,made CAN field bus as communication networks of the electrical control system,it developed a new type of human-machine interface device.On the basis of description equipment process,this paper elaborated its circuit design,μC/O S-II transplanted and multi-tasking real-time switch;transplantate μC/ G U I to display graphics and text.It takes tasks as units,writes HMI applications procedure.CAN bus communication message is sent to the CAN bus node,it can implemente associated module communication and achieve practical requirements.

关 键 词：人机界面 LPC2478 μC/OS-Ⅱ CAN ARM 

分 类 号：TP211.9[自动化与计算机技术—检测技术与自动化装置]