Design of Analog Input Module for Digital Reactor Protection System 核电数字化保护系统模拟量输入卡件的设计
This paper introduces the function of the PHOENIX analog input module ( IB IL_AI_8/ SF-PAC), with the analysis of example, explained the application of PHOENIX analog input module in the project. 介绍了菲尼克斯电气(PHOENIX)模拟量输入IBILAI8/SF-PAC模块的功能,通过实例分析,阐述了PHOENIX的模拟量输入模块在本次项目中的成功应用。
The binary input module is used for the input of digital fault signals while the analog input module for analog fault signals. The current application situation of China-made digital fault recorders for generator-transformer units is presented. PLC的开关量输入模块作为开关量故障信号的输入装置,模拟量输入模块可用作模拟量故障信号的输入装置。主要分析国产发电机变压器组故障录波器应用现状。
Described are the design thought, technical implement and hardware disposition of the analog input module for the microcomputer network control unit XDU of the car function grade on EMUs. 阐述了电动车组车厢功能级微机网络控制单元XDU的模拟量输入模块的设计思路、技术实现以及硬件配置。
And the main modules of the system contain analog input module, user dialog module, frequency dividing module and isolate-driving module. 智能控制部分主要包括模拟量输入通道模块、人机接口模块、分频模块、隔离驱动模块等功能模块。
Analog input data acquisition and output interface are automatically gained by the FPGA. CAN-Bus interface designed in this Board. Several servo control digital interface module; FPGA中自动完成模拟量输入的采集与存储及模拟量的输出接口,控制卡设计了CAN总线接口。
In analog input channel, the combination software filter is applied to obtain more credible data as possible, and median voting circuit module is adopted in output channel to gain accurate outputs. 在模拟输入通道中采用中位值滤波和递推平均滤波的组合算法,来获取尽可能可靠的输入数据,在模拟输出通道中则采用中值表决电路通用模块实现正确的模拟输出。
The hardware interface circuit includes: power module> analog signals sampling module^ switch signals input and output module> human and machine interface> communication module and the control of PMA. 选择TI公司的DSP芯片TMS320LF2407A为主控制器,设计了这款芯片的外围硬件接口电路,包括电源模块、模拟信号的采集,开关信号的输入输出回路、人机接口、通信模块以及永磁机构的驱动控制电路。
These field control modules include: analog input/ output module AO/ AI, digit input/ output module DI/ DO, sound alarm module, record module, etc. 现场控制模块主要有模拟量输入输出AI/AO模块,数字量输入/输出DI/DO模块,语音报警模块和报警记录模块。
Having developed the method of data acquisition by using PLC Digital Input ( DI) module to substitute for analog input module to reduce the cost of the control system. 开发了利用PLC的开关量输入模块(DI)实现模拟量(AI)的采集,用以替代PLC模拟量输入模块,以降低成本。
According to different function, the hardware part is divided into processor module, analog signals input and converting module, digital signals module, communication module, clock module and display module. 按照功能的不同,硬件划分成处理器系统模块、模拟信号输入和转换模块、开关量输入输出模块、通信模块、时钟模块、键盘显示模块、电源模块。
Sub-modules consist of analog input module AI, analog output module AO, digital input module DI and digital output module DO. 功能子模块包括模拟量输入模块AI、模拟量输出模块AO、开关量输入模块DI及开关量输出模块DO。
Then again on the measurement control system hardware selection, design the control system of circuit wiring diagram, and select the PLC, inverter, pressure sensors, analog input/ output module of wiring. 再接着对计量控制系统硬件进行选择,设计了控制系统主电路接线图,并对选择的PLC、变频器、压力传感器、模拟量输入/输出模块进行了接线。
On hardware it complete the main control module, analog input module, switch signal input module, synchronous signal module, frequency measuring module and communication module based on TCP/ IP protocol. 在硬件上设计了主控模块、模拟量输入模块、开关量输入模块、开关量输出模块、同步信号输入与测频模块以及基于TCP/IP协议的网络通信模块。
In addition, it uses the in-built PID function of PLC and corresponding analog input module to precisely control the coolant temperature. 并运用PLC内置的PID功能以及相应的模拟量输出模块精确的控制了冷却液的温度。
It features that the multi input analog signals are selected by the input data preprocessing module and one of them is outputs to the analog to digital converter module to convert. The type and format of the output results is controlled and selected by the interface module. 提出的数据模块可从多路输入数据中通过数据预处理模块选择出一路信号,复用一个模拟数字转换器进行转换,并利用接口模块对输出结果的输出格式和类型进行控制选择。