Pio programmed input output the design of programmable controllers multidigit I/ o link 可编程序控制器多数字输入/输出环节的设计
Therefore in this paper a circuit is designed based on Field Programmable Gate Array ( FPGA) which is used to control the inverter composed of high-frequency link controlled by phase-shift PWM technique and cycloconverter. 因此,针对移相PWM控制高频链周波变换型逆变器设计了一套基于现场可编程逻辑门阵列(FieldProgrammableGateArray,FPGA)的控制电路。
The application of programmable controller to level control of water, and the characteristics of this system are introduced. A link figure of I/ Oterminals, ladder, and program working process are presented. 介绍了可编程控制器在水塔水位控制中的应用和本系统所具有的特点,并给出了I/O端子接线图,梯形图以及程序执行过程。
Using Programmable Logic Controller ( PLC) Ladder Programming to Realize the Basic Hardware Link 利用PLC编程可实现的基本硬件
The second chapter discusses the related theories and technologies. A systematic economy analysis, the recent advances and trend of programmable controller, and the software link to the graphical hardware ( OpenGL) are also discussed. The third chapter introduces the overall design. 作为论文的理论基础,第二章介绍了相关的一系列理论和技术,并阐述了可编程控制器的综合经济分析和最新发展状态、趋势以及图形硬件的软件接口OpenGL的基本程序结构。