超声SF_6气体超标报警系统中基于CPLD数据串行通信的实现
The Realization of Serial Data Communication Based on CPLD in Ultrasonic Alarming System for Gas SF6
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摘要: 设计了基于CPLD的超声SF6气体超标报警系统数据串行通信的方案,用VC和VHDL语言分别实现了上位机和下位机的通信程序,经实际运用证明:采用CPLD实现的串口通信具有波特率高、传输准确等优点,适宜于微弱信号的检测与报警系统中使用。Abstract: Based on the CPLD, this paper designed a scheme of serial data communication of the ultrasonic alarming system for gas SF6. Using the language VC and VHDL to realize the communication program of the up-device and down-device respectively. The practice experiment proved there are merits of high baud rate and actual transmittion about the serial communication by CPLD. The serial data communication is adapt for the detecting and alarming system with weak signal.
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Key words:
- alarming system /
- gas /
- SF6 /
- ultrasound /
- serial communication /
- CPLD
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