一种安检机应用的多路多源通信板  

The Multi-channel and Multi-source Communication Board for Security Inspection Machine

作　　者：李飞 LI Fei(First Research Institute of The Ministry of Public Security of People's Republic of China,Beijing Zhongdun Anmin Analysis Technology Company Limited,Beijing 100048)

机构地区：[1]公安部第一研究所,北京中盾安民分析技术有限公司,北京100048

出　　处：《机电产品开发与创新》2021年第5期46-49,共4页Development & Innovation of Machinery & Electrical Products

摘　　要：以STM32为核心控制器,通过硬件模块设计和软件程序编写实现了多路多源通信板的整体功能。通信板主要包含32路可配置输入、24路无源接点输出、4路串行接口(RS232/RS422)、1路以太网通信接口(W5100)、1块EEPROM存储器芯片以及1块12864液晶显示模块等。通过软硬件配合实现无源接点信号和串行信号的实时响应,以及对当前设备通信状态等的实时显示。经实际应用现场测试,此多路多源通信板数据传输稳定性好且满足应用要求。With STM32 as the core controller,the overall function of multi-channel and multi-source communication board is realized through hardware module design and software programming.The communication board mainly includes thirty-two configurable inputs,twenty-four passive contact outputs,four independent serial interfaces(RS232/RS422),one Ethernet communication interface(W5100),one EEPROM memory chip and 12864 LCD display module.Real-time response of p-assive contact signal and serial signal,and the real-time display of current equipment communication state are realized thr-ough the cooperation of software and hardware.After the practical application field test,the multi-channel and multi-source communication board has good data transmission stability and satisfies the application requirements.

关 键 词：STM32 RS232/RS422 以太网 液晶显示 

分 类 号：TB472[一般工业技术—工业设计]