基于ARM的PLC系统嵌入式硬件设计.doc

文档介绍：
基于 ARM 的 PLC 系统嵌入式硬件设计
徐浩栋,龙沪强**
(上海交通大学电子信息学院,上海 201203)
5
10
15
20
25
摘要:PLC 诞生整整 45 年,已经成为实现工业控制的中坚力量。它的功能不断完善,应用
领域不断扩大,体积却越变越小,它对于工业控制技术的进步与社会发展所发挥的作用无可
估量。PLC 以它的高可靠性和易操作性,主导了工控行业数十年,本文研究内容是设计一
款基于 ARM 嵌入式的 PLC 系统模块,开发模块采用新一代 PLC 总线结构,使用双核 CPU
做数据处理,兼容多种通信与数字量输入输出协议规范,从而在提高整体性能的情况下具有
较高的抗干扰能力并保证稳定工作。着重讲述硬件回路设计,并根据实际调试逐步完善设计
PLC 系统模块。
关键词:可编程逻辑控制器;嵌入式硬件设计;电磁兼容
中图分类号:TP23
Research on embedded hardware design for PLC system
with ARM CORE
Xu Haodong, Long Huqiang
(Electronic School,Shanghai Jiaotong University, ShangHai 201203)
Abstract: PLC is born for 45 years, it has e the backbone of industrial control. For it's
function ing perfect, the application field expanding unceasingly, the volume is getting
smaller, it e the industrial control technology progress and social development of the role
immeasurably. PLC with its high reliability and easy operability, dominated the industry for
decades, and control in this paper the research content is to design a PLC system based on ARM
embedded module, bus structure, a new generation of PLC module using a dual-core CPU for data
processing, compatible with a variety munications and the digital quantity input/output
protocol specification, thus improving the overall performance has higher anti-interference ability
and guarantee under the condition of steady work. Focus on the hardware circuit design, an