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HART协议简介
- HART协议由Rosemount公司开发且已向每个使用者开放HART协议采用标准的Bell 202频移键控信号以1200波特通信以低电平加载于4mA~20mA模拟信号上，由于载波信号的平均值为零所以它对模拟信号没有影响。-HART agreement develops by Rosemount Corporation also opened the HART agreement to each user to use the standard the Bell 202 frequency-s
b2b
- PCB板，恒流恒压，20MA-300MA，输入电压220~，输出电压50-20V。
4-20ma
- TINA下绘制的 工业4-20mA 传感器信号采集用的隔离放大器。能将4-20mA的电流信号转换为0~3V的电压信号，方便设备采样。-TINA drawn under the Industrial 4-20mA sensor signal acquisition using isolation amplifiers. Can 4-20mA current signal into a 0 ~ 3V voltage signal to facilitate the sampling equipmen
4-20ma---0-10v-LCD
- 4-20ma application note
AD420
- SPI控制三片AD420程序，三片AD420级联，其输出电流是0-20mA-SPI control three AD420 program, three AD420 cascade, the output current is 0-20mA
MultiInput_ai_module
- 模拟量万能输入，信号可以是，Ⅱ型标准信号：0~5V、0~10MA，Ⅲ型标准信号：1~5V、4~20MA，mV电压信号：0~20mV、0~100mV，热电阻： Pt100、Cu50，热电偶： B、E、J、K、S、T -Universal analog input signal can be, Ⅱ type standard signal: 0 ~ 5V, 0 ~ 10MA, Ⅲ Standard signals: 1 ~ 5V, 4 ~ 20MA, mV voltage signal: 0 ~
4-20MA-1-5V
- 4-20ma电流转化成1-5V电压电路仿真-4-20ma current is converted into 1-5V voltage circuit simulation
Cont-0-20mA-Samps-Int-Clk
- 例子展示如何通过内部时钟连续测量电流，用到NI公司的板卡。-This example demonstrates how to continuously measure current using an internal hardware clock for timing.
Gerador-4-20mA
- Circuit 4-20mA generator make in Altium Desgin-Circuit 4-20mA generator make in Altium Desgin
0-5v-output-4-20ma
- 0-5v电压转4－20ma电流输出电路设计方法-0-5v 4-20ma current output voltage transfer circuit design
PWM-turn-4-20ma-current
- 单片机PWM转4－20ma电流输出控制方法-Microcontroller PWM turn 4-20ma current output control method
sc_2-0
- 3 chn Data Logger. (using single a/d card) AMAR ENGG.EQUPT. lo mem warning only channel no. which are on are printed. batch no 6 digits batch no printed in header ch1 i/p 4-20ma = 000.0- 102.0 kg/cm2 ch2 i/p rtd = 000.0- 400.0 c
PWM-OUT-4-20mA
- 单片机PWM控制4-20ma输出电路参考设计-SCM 4-20ma output PWM control circuit reference design
PWM-convert-4-20ma-output
- 将单片机PWM信号变送成工业标准电流输出4-20mA -The microcontroller PWM signal transmission into industry standard 4-20mA current output
rtu
- 低功耗水资源控制器RTU 支持8路0-20mA模拟输入A/D转换功能，主要用于驳接投入式液位计以及其它任何形式的模拟信号的处理-Low-power water controller RTU supports 8-channel 0-20mA analog input A/D conversion function, mainly used for connecting the input level gauge and any other form of analog signal proces
ADC
- 将4路模拟量4-20mA电流信号通过I\V变换将信号送至AD模块， 实现数模转换，送入单片机，经单片机处理后，再次通过DA转换和V\I变换， 输出，最后连接一个远程通讯模块连接至上位机。(The 4 analog 4-20mA current signal is transmitted to the AD module via the I\V transform, Realize digital to analog conversion, into the microcontroller,
MODBUS转20mA电流环
- RS232 转 4－20mA电流环原理图；工业品；(RS232 conver to current LOOP)
4-20ma current loop transmitter
- 4-20ma current loop transmitter
4-20ma RTD
- 可测量和处理来自 2 线、3 线和 4 线电阻式温度检测器的温度信号输入，并输出与来自 RTD 输入的所处理的温度相对应的 4 至 20 mA 电流回路信号，并进行系统级的校准以提高 ADC 和 DAC 精度。(It can measure and process the temperature signal input from the 2-wire, 3-wire and 4-wire resistive temperature detector, and output the 4-20 m
4-20mA XTR111正式版
- STM32 硬件PCB 图纸 输出4-20MA电流信号 采集频率信号(STM32 hardware PCB drawing outputs 4-20mA current signal and collects frequency signal)