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4~20mA
- 本文给出了一种利用软件实现4~20mA传感器数据转换的方法,消除了硬件电路中电压放大器输出端的残留电压,保证了数据转换精度-this paper, the use of software to achieve a 4-20mA sensor data conversion methods Elimination of hardware circuit voltage amplifier output voltage of the residue, ensuring the accuracy of
wannengshuru
- 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, indus
4-20MA_Convertor
- 单芯片,单电源,直接4-20ma电流转换为,轨到轨0-5V电压输出-Single-chip, single power supply, 4-20ma direct current converter for rail-to-rail voltage output 0-5V
liangxianzhiyalibiansongqi
- 两线制压力变送器设计两线制变送器的原理是利用了4~20mA信号为自身提供电能。本文档详细介绍了两线制压力变送器的特点以及参考电路图-2-wire pressure transmitter 2-wire transmitter design principle is the use of the 4 ~ 20mA signal to provide power for itself. This document details the two-wire pressure transmitter f
yanibiansongqiyuanlitu
- 压力变送器原理图,这个是实际产品中使用的原理图,将压力变换成4~20ma电流-Pressure transmitter schematic, this is the actual product used in the diagram, the pressure to transform into a 4 ~ 20ma current
DesignCPCIanalogonFPGA
- 本文实现了8通道的12位D/A模拟输出板卡的设计。该设计是基于FPGA的3U CPCI板卡,可以提供8通道的模拟电压和电流输出,各路电压输出范围可以配置成0~5V、0~10V、-5~5V或-10V~10V,各路输出电流可以配置成4~20mA、0~20mA或0~24mA。本设计摒弃了常规的CPCI接口芯片,采用FPGA十PCI IP CORE的设计方案,大幅度提高了系统的集成度和调试速度,缩短了系统的开发周期。方案使用专门的WDM (windows driver model)开发工具Driver
AD421
- AD421应用源代码,在工业控制中实现4~20MA,应用相当广泛的芯片。-CODE FOR AD421.USEED FOR 4~20MA。
AMC1022SIMULATER_BAN
- 本文件为ORCAD做的原理图,是通用的模拟量输入检测电路板,该原理图的电路采用24V直流供电,采集模拟量的范围0-24V,或者是4-20mA的电流量,具有输入保护,电压隔离,电压比较等有点,并且具有AGC偏出输出+10V和-10V的偏差信号输出。-This document is the schematic diagram of ORCAD, is the analog general input detection circuit board, the circuit principle di
TIM-94-Manual
- TIM94 manual pdf. input: PT100, 4-20mA, TC... output: 1-4 relay alarm with rs485 modbus rtu supported.
4_20mAConverter
- 4-20mA input change to 0-10V digital voltaj
PWMtoDA
- 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 indust
CN0300-DesignSupport
- 单片机控制的变送器4-20mA设计文档,需要的人还是有参考价值的。-Single-chip microcomputer control transmitter design documents, has reference value for those in need
4-20mA
- 工控,电力,仪表中常常使用4-20mA的信号输出,低成本高精度设计-Is often used in industrial control, electric power, the instrument of 4-20 ma signal output, low cost and high precision design
4-20ma-TransmitterPHARTPisolate
- Fully Isolated, Single Channel Voltage and 4 mA to 20 mA Output with HART Connectivity