The appearance of programmable logic devices ( PLD), such as CPLD and FPGA, makes it possible to substitute the unit by a new module using FPGA with NCO technique. 本文介绍一种采用数字控制振荡器的设计技术,利用FPGA实现调制转换基准插件功能,从而代替了原来的模拟部件,解决了设备的维护问题。
Application of a programmable logic controller to a pressure swing adsorption unit 可编程控制器在变压吸附装置中的应用
The programmable logic device of FPGA is a core controller unit of the design and it is composed of three modules: the process control course module, parameters setting and calling module and communication module. 该设计以可编程逻辑器件为核心控制部件,它由工序控制流程模块、参数设置及调用模块和通讯模块三个模块组成;
The complex programmable logic unit CPLD was applied in the design of the bus arbitration organization. 在总线仲裁机构设计中应用了复杂可编程逻辑器件CPLD,固化了和总线仲裁有关的总线逻辑关系。
A digital pulse trigger based on CPLD ( Complex Programmable Logic Device) is developed with Verilog hardware describe language, and its principle, system scheme, task and function of each unit are described. 详细介绍了运用Verilog硬件描述语言开发基于复杂可编程逻辑器CPLD(ComplexProgrammableLogicDevice)的数字脉冲触发单元的原理、系统方案及各单元的任务和功能。
The new on governor based PLC ( programmable logic controller) for pumped turbines is proposed, which is composed of PLC as the core, the stepped motor as the electro-hydraulic transforming part and fluid drive unit. 基于可编程控制器(PLC)的抽水蓄能双调整调速器,以PLC为调速器电气部分的核心单元,用步进电机作为电&液转换部件,与液压放大部分一起构成调速系统。
Specific Lecture of Complex Programmable Logic Device-Application of CPLD and Designing of Digital Logic Unit and System 复杂可编程逻辑器件CPLD专题讲座(Ⅴ)&CPLD的应用和实现数字逻辑单元及系统的设计
A programmable logic controller ( PLC), from Mitsubishi, Japan, is used to control operation of a unit for pressure swing adsorption ( PSA), and good results are achieved. 采用日本三菱公司生产的FX型可编程序控制器,在变压吸附装置上控制其操作,取得良好的效果,减轻了操作人员的强度,提高了工作效率。
With the characteristics of flexible function and simple design of Complex Programmable Logic Device ( CPLD), the control unit of a double-channel real-time image fusion system in the pixel level is developed. 利用可编程逻辑器件CPLD(ComplexProgrammableLogicDevice)功能灵活、设计简捷的特点,开发了双通道图像像素层实时融合系统的控制单元。
Programmable Logic Controller ( PLC) with high reliability, Convenient and flexible-programming, Strong anti-interference and Steady operation, Elevator control system is widely used programmable logic controller ( PLC) as the control unit. 可编程控制器(PLC)具有可靠性高、程序设计方便灵活、抗干扰能力强、运行稳定等特点,电梯控制系统广泛采用可编程控制器(PLC)作为控制部件。