文档编号:JD622 附任务书,开题报告,原理图,文档字数:13574,页数:51 摘 要 本系统采用双CPU控制,主机与从机的CPU都是使用SPCE061A单片机。从CPU负责采集七路数据,同时应答主CPU发送的命令。主CPU进行数据处理,数据显示,键盘输入,语音提示,语音播报通道的电压值。在主CPU与从CPU的通讯中,采用国际标准的RS485差分方式接口,使通讯的速率和传输距离均大于RS232的标准接口方式,并且用线最少(只要两根)。 关键词:凌阳单片机 多电量采集 RS485
Abstract The system uses dual-CPU control, host and from the CPU machines are used SPCE061A SCM. From the CPU is responsible for collecting data on seven, while the main CPU response sent the order. The main CPU for data processing, data show that the keyboard input, voice prompts, voice broadcast channel voltage value. In the main CPU and the communication from the CPU, the use of international standards of the way RS485 differential interface to enable communication and the rate of transmiss ion distance was greater than the standard RS232 interfaces, and the use of at least (as long as two). Key words:SPCE061A More electricity Acquisition RS485
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Tags:多电量 采集系统 设计与实现 | 2009-06-14 22:55:31【返回顶部】 |