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.
上位机pc的应用程序实现了基于SCPI协议的测试指令发送和测试结果显示的功能，与测试卡通过usb接口通讯。
PC application software has the function of testing command transferring which based on SCPI protocol and test result display, USB port communicate with test card.
上位机与下位机之间既可通过RS485口通讯，也可以通过USB接口通讯。
The host computer and the slave computers can communicate with each other either through the interface RS485 or the interface USB.
介绍了一种基于USB通讯的高速硬件精插补器的设计，设计中采用F PGA实现精插补，并通过USB接口实现与上位PC机的高速数据通讯。
A high- speed hardware fine- interpolator based on USB communication is introduced in this paper. The fine- interpolator is implemented by FPGA and communicates with local PC through USB.
介绍了一种基于USB通讯的高速硬件精插补器的设计，设计中采用F PGA实现精插补，并通过USB接口实现与上位PC机的高速数据通讯。
A high- speed hardware fine- interpolator based on USB communication is introduced in this paper. The fine- interpolator is implemented by FPGA and communicates with local PC through USB.
应用推荐