资料介绍
4-20mA Power Management Texas Instruments Incorporated
Harnessing
4-20mA wasted energy in 4- to 20-mA
电流环路系统废能利用
作者:Chris Glaser,
current-loop systems
德州仪器 (TI) 应用工程师
By Chris Glaser
Applications Engineer
4-20mA 电流环路信号常用于工业环境,实现远距测量
A 4- to 20-mA current-loop signal is frequently used in 电流环路仅包含一个电流环路。因此,根据基尔霍夫
The current loop contains only one loop for current
industrial environments to transmit measurements across
数据传输,例如:加工温度或者容器压力等。这种信号 flow. Therefore, from Kirchhoff’s current law, the cur-