上位机、下位机之间通过RS232C串行通讯接口总线交换数据。
The communication between host computer and slave computers is accomplished through their serial ports, RS232C.
控制接口能够进行设备上位机与下位机的通讯，能够控制激光输出模式、功率调节、温度控制。
The Control interface can communicate between the PC and the under device, . controling the laser output mode, conditioning power, and controling temperature.
以89c51为例介绍了多片机与上位微机组成所分布式测控系统的硬件接口与通讯技术，并给出了该技术的应用实例。
The technology of interface and communication for 89c51 single-chip microcomputers and personal computer is introduced and its application is given in this paper.
应用推荐