【摘要】 在PC机、单片机和SRD控制器构成的SRD调速系统中 ,采用RS 4 85接口实现PC机、单片机和SRD控制器之间的通信 ,形成抗干扰能力强、便于实现多站联网等优点 .文中介绍了RS 4 85接口通信系统的软硬件设计方法及关键技术问题 .更多还原

【Abstract】 In the SRD system consisted of the PC, single chip microcomputer and controller, we adopt RS- 485 interface to accomplish communication between the PC , single chip microcomputer and controller, it has advantage of powerful anti-interference and multiple network connection. At the same time, the design of software and multiple hardware in the RS- 485 interface communication system is introduced in this article.更多还原