| 基于双路CAN总线的通讯板卡设计与实现 |
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| 引用本文： | 包乃兰,宁立革.基于双路CAN总线的通讯板卡设计与实现[J].计算机测量与控制,2011,19(11). |
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| 作者姓名： | 包乃兰 宁立革 |
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| 作者单位： | 1. 天津工业大学电气工程与自动化学院,天津,300160
2. 天津英贝特航天科技有限公司,天津,300384 |
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| 摘 要： | 在煤矿系统中,各个采集监控设备之间都采用CAN总线进行相互传输数据,针对这一问题,设计定制的一款通讯板卡;由于设计小型化的要求,故采用PC104+的总线结构,该通讯卡含有2路CAN总线通信通道,PC104+总线目标接口芯片采用PLX 9030;SJA1000作为CAN控制器,82C250作为CAN收发器;在2路CAN通信通道上均采用光电隔离技术,增强系统在恶劣环境中使用的可靠性;在此基础上编写了驱动程序;该通讯板卡交付验收后,通过实际测试,当CAN总线工作在1M波特率的情况下,电缆长度在40米的情况下,CAN总线收发数据正确;整个系统运行稳定,可靠性高。
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| 关 键 词： | PC104 总线 CAN总线 驱动程序 通讯板卡 |
Design and Implementation of Communication Board Based on Dual-Channel CAN bus |
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| Bao Nailan,Ning Lige.Design and Implementation of Communication Board Based on Dual-Channel CAN bus[J].Computer Measurement & Control,2011,19(11). |
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| Authors: | Bao Nailan Ning Lige |
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| Affiliation: | Bao Nailan1,Ning Lige2(1.School of Electrical Engineering and Automation,TianJin Polytechnic University,Tianjin 300160,China,2.Yingbeite Aerospace Science and Technology Co.Ltd.,Tianjin 300384,China) |
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| Abstract: | Each acquisition and monitoring device transfer data between CAN bus in the coal mine system,in view of this question,a communication board is designed.As the demand of miniaturization,the communication board adopts PC104 plus bus structure,includes dual CAN bus communication channels,Adopts PLX 9030 as PC104 plus bus target interface chip,Adopts SJA1000 as the CAN controller,and 82C250 as the CAN transceiver.Moreover,the communication board adopts photoelectric isolation technology on the channels to impro... |
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| Keywords: | PC104 plus bus CAN bus Driver program Communication board |
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