光电隔离

本系统采用光电隔离技术，克服了目前产品中的串扰问题。

The system uses optical isolation technology to overcome the crosstalk problems in the current products .

并针对煤矿井下环境比较恶劣的情况，对矿用监测分站做了接口的光电隔离和防雷设计。

And for the coal mine environment is harsher conditions , of the mine monitoring station has done interface design of optical isolation and lightning protection . 3 .

带光电隔离符合PC总线标准数据采集卡设计

The Design of the Date Acquision Card With Optoisolator According to PC-BUS Standard

光电隔离PC总线扩展板的研制

Opto Electrically Isolated PC Bus Extension Board

介绍一种通用的PC总线光电隔离I/O卡的设计思想、工作原理及其在流量、压力测控系统中的应用。

This paper describes the design and the operating principle of a general PC-bus photoelectric isolating I / O board .

方法采用高速CMOS多路开关、逻辑电路和光电隔离电路实现驱动和测量模式程控系统。

METHODS High speed CMOS multiplexer , logic circuits and optic electronic isolation device were used .

采用光电隔离电路和PC总线通用的I/O模块，设计16路数字信号输入板。

The design of 16-channel photoelectric isolation digital signal input board and a general I / O block for PC Bus are discussed .

分布式控制系统RS-485光电隔离通信板卡的设计

Design of Distributed Control System RS-485 Communication Card

一种简单的光电隔离RS-232电平转换接口设计

A kind of simple photoelectric - isolated RS - 232 voltage conversion interface design

光电隔离转换器在DAS系统中的应用

Application of Photoelectric Isolating Converter to DAS

首次将RS-232串行口光电隔离远传模块和GPRS用于全自动全站仪的数据远传。

It applies RS-232 serial interface photoelectric buffer remote transmission model and GPRS to total station measurement transmission .

系统的硬件电路由接收接口电路、光电隔离电路、CPLD控制电路和单片机控制电路四个主要部分组成；

The hardware electrocircuits are mainly composed of four parts for receiving , photoelectric isolation , CPLD control and single chip control electrocircuit .

针对氧化锌（ZnO）避雷器泄漏电流的测试问题，利用数字型光电隔离传输电路，设计了一种光电传输及频率测量系统。

Aiming at the testing problem of leakage current from ZnO surge arrester , a kind of photoelectric transmission and frequency measuring system is designed using photoelectric isolation transmission circuit .

在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；

For hardware design , RC filter , voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A / D channel .

整个大型变压器保护系统以DSP为内核，采样信号经DSP判断处理后经过光电隔离输出给保护设备，后台软件控制保护设备动作，从而实现对大型变压器的保护。

Taking DSP as the inside core , backstage software control the act of the protection equipments by the sampling signal which flows from DSP to photoelectrical insulation . Thus the large transformer protection achieves .

同时经光电隔离，将信息传给CPU，经处理后在屏幕一次状态图上显示出黄、绿、红带电指示。

At the same time , transferring the data to CPU through photoelectric isolation , and showing on primary status scheme on the screen by yellow , green , and red instructions .

该控制器采用PIC单片机为核心，通过检测风速、转速、蓄电池电压、电流等量完成变桨距及偏航控制，同时为增强控制器的抗干扰性能，对输入及输出进行了光电隔离。

At the same time in order to strengthen the anti-interference performance of the controller , the input and output are isolated by the photo-electricity .

在心电图采集子系统中，使用带有SPI接口的USB外设控制器实现了USB通信，并对SPI接口进行光电隔离，间接实现了对USB的光电隔离。

In ECG acquisition system , USB controller which contains SPI interface is used to communicate with PC. By isolating the SPI interface , USB isolation is implemented indirectly .

该方案可将微机的一个RS-232串行口扩展至4路光电隔离RS-422/RS-485串行口。

The scheme can extend one RS-232 SCI of PC to four RS-422 / RS-485 SCIs under the mode of photoelectricity coupling .

通过采用高隔离度的DC-DC电源和低噪低漂移运放，使用光电隔离和滤波器等设计，采集装置具有了很强的抗干扰特性。

By using DC-DC power source , low drift operational amplifiers , optically coupled isolators and filter design , the system has a good characteristic of anti-disturbance .

通信接口为RS232／485信号转换设备，为提高通信线路的安全性和抗干扰能力，采用信号光电隔离技术；

The communication interface employs RS232 / 485 signal conversion equipment which uses the signal photo-electricity partition technology to enhance the security and anti-interference of the electric lines .

介绍了设计时所采用的光电隔离的RS485通信方式，以及为此通信方式供电的隔离的本安电源设计。

This paper presents the RS-485 communication mode with light and electricity , which are separated when designed it . It also presents the design of essence safety power source for this communication mode .

采用PC机做上位机，并使用MCGS组态软件生成测试界面，结合数字式转矩传感器及光电隔离脉冲计数／定时接口卡构成电动机性能测试系统。

The testing system of the performance of electromotor adopts PC as master , uses MCGS configuration software creating performance testing interface , combined with a digital torque sensor and photoelectricity segregated count / time interface by impulse .

首先对变送器部分进行了整体的方案设计，变送器由电容/电压转换、纹波控制电容切换、放大倍数切换、A/D转换、单片机、光电隔离和RS485串口通讯等几部分组成。

Firstly , the whole scheme of the transducer is designed , the transducer includes capacitance / voltage converting , ripple-control capacitor switching , magnify-multiple switching , A / D converting , singlechip , photoelectric isolation and RS-485 serial communication , etc.

通道采用光电隔离，可带电插拔。

Optoelectronic isolation is employed for channels , which permits hot-plugging .

光电隔离抗干扰技术及应用

Technique & Application of Optical - Electrical Isolation Resisting Disturbance

光纤型光电隔离传感器及应用

Photoelectric Isolation Sensor Using Optical Fiber and It 's Application

光电隔离产品在雷电防护工程中的应用

The Application of Optoelectronic Isolated Products in Lightning Protection Engineering

喷浆机械手分布计算机系统光电隔离式串行接口设计

The Design of Photoelectric-isolated Serial Interface of Shotcrete Manipulator Distributed Computer System

光电隔离转换器在柴油机检测中的应用

Application of Photoelectric Isolated Converter to Detect Diesel Engine