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Description: 基于c8051f330芯片开发的电机正反转控制系统，能同时完成参数的设定与显示，系统具有4~20mA的标准模拟信号输出-c8051f330 chip development based on the reversion motor control system parameters can be completed simultaneously with the creation shows that the system has a 4-20mA analog signal output standards
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Size: 39510 |
Author: 肖业伟 |
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Description: IDC3516-4-20mA电流环隔离接口芯片的应用-IDC3516-4-20mA current loop isolation Application Interface Chip
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Size: 34388 |
Author: gw |
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Description: 显字数显表源程序，拿来就可以用，采集4~20MA电流，-significant source of wordage a table, can be taken out, collecting 4-20MA current,
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Size: 126958 |
Author: 何宏 |
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Description: 4-20MA RTD PT100 TRANSMITER
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Size: 12288 |
Author: ben |
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Description: 智能仪表万能信号输入级电路设计，现在的工业显示控制仪表都具有万能输入，何为万能输入？万能输入可以输入20多种传感器信号，如
线性信号4~20ma，0~20ma，0~10ma，0~5v，1~5v，0~10v，
热电偶，T,R,J,B,S,K,E,
热电阻，PT100,CU50,PT1000等。 -Intelligent Instrument universal signal input level circuit design, industrial display and control instrument now has a universal input, what is universal input? Universal Input 20 kinds of sensor signals can be input, such as linear signal 4 ~ 20ma, 0 ~ 20ma, 0 ~ 10ma, 0 ~ 5v, 1 ~ 5v, 0 ~ 10v, thermocouple, T, R, J, B, S, K, E, thermal resistance, PT100, CU50, PT1000 and so on.
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Size: 102400 |
Author: 别问 |
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Description: 单片机C语言程序，实现将采集到的0~10mV传感器信号转换为4~20信号，用到的芯片包括AD420，CS5532，X5045-Microcontroller C Programming Language, will be collected to achieve the 0 ~ 10mV sensor signals into 4 to 20 signal, use the chips include the AD420, CS5532, X5045
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Size: 27648 |
Author: 恒毅 |
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Description: 程序开始运行后要求用户输入一个口令，口令正确，则执行如下功能，否则程序立即停止。
（1） 温度给定值可由以下几种方式表达，见下图：
（2） 采集一路温度，采样周期、采集点数、数据上下限值均可设置；
（3） 超限时声光报警；
（4） 以文件形式保存采集到的数据和各数据的时间标签。
-The program began running after asks the user to enter a password, the password is correct, then perform the following function, otherwise the program immediately stop.( 1) the temperature setpoint is available from the following several modes of expression, see below:( 2) collects the temperature, sampling, data collection points, upper and lower limit values can be set ( 3) exceeds the limit, sound and light alarm ( 4) in the form of a document stored the collected data and the data time label.
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Size: 66560 |
Author: mpx1224 |
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Description: 该资料描述了国际标准电流转换的经典电路，供参考和设计使用-The data describes the current international standard conversion of the classic circuit, for reference and designed to use
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Size: 166912 |
Author: Army |
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Description: AD421 中文datasheet资料 4~20ma应用-AD421 datasheet 4~20ma
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Size: 281600 |
Author: King |
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Description: 16路的4-20mA，多通道扫描电流采集的程序-4-20mA current acquisition program
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Size: 382976 |
Author: |
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Description: 4-20ma电路，老外写的，深入了解4-20ma电流环希望对您的设计有帮助-4-20ma circuit, written by foreigners, in-depth understanding of the 4-20ma current loop your design
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Size: 65536 |
Author: duan |
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Description: TIM94 manual pdf. input: PT100, 4-20mA, TC...
output: 1-4 relay alarm with rs485 modbus rtu supported.
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Size: 102400 |
Author: quocthai |
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Description: HART 官方资料-HART协议采用基于Bell202标准的FSK频移键控信号，在低频的4-20mA模拟信号上叠加幅度为0.5mA的音频数字信号进行双向数字通讯，数据传输率为1.2kbps。-Official information-HART HART protocol based Bell202 standard frequency shift keying FSK signal at low frequencies 4-20mA analog signal amplitude is 0.5mA superimposed on the two-way audio digital signal digital communication, data transfer rate of 1.2kbps.
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Size: 5409792 |
Author: zxm |
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Description: 拉力变送器电路原理图，从0~5mV变换成4~20mA-中文(简体)英语日语Rally transmitter circuit schematic, from 0 ~ 5mV converted into 4 ~ 20mA
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Size: 768000 |
Author: boat |
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Description: 在实际应用中，很多时候需要输出电压、电流等信号，特别是在工控行业中，4-20MA的转换经常要用到，选用AD421芯片来做的话，成本颇高，如果采用单片的PWM输出来做DA完全可以做到14位以上的精度。-In practical application, and many times need to signal of the output voltage, electric current and so on, especially in the industrial control industry, 4-20 ma transformation often want to use, choose AD421 chip to do it, cost is high, if USES the single chip PWM output to the accuracy of the DA can do more than 14.
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Size: 112640 |
Author: pa |
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Description: Acromag Intro TwoWire Transmitters 4-20mA Current Loop.
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Size: 168960 |
Author: saber |
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Description: STM32F103芯片做的采集4~20ma电流，并通过485总线发送出去采集值，非常适合初学者！-
STM32F103 chip do collect 4 ~ 20ma current, and 485 sent by the acquisition value, very suitable for beginners!
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Size: 553984 |
Author: zhangqiang |
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Description: 51单片机接入差分信号重量传感器，设定额重，输出控制，同时DA转换（AD421芯片）输出4-20mA。-51 single access differential signal of the weight sensor, set the amount of weight, output control, while the DA converter (AD421 chip) output 4-20mA.
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Size: 562176 |
Author: 张鹏程 |
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Description: 4通道4-20mA模拟量采集板通过RS485总线发送采集数据给PC机(The 4 channel 4-20mA analog acquisition board transmits data to the PC through the RS485 bus)
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Size: 267264 |
Author: 咸鱼君
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