王相伟,郭宝利,郭亮,杜艳,朱红霞,宋忠强.用于多表集抄系统的自适应M-BUS主机电路设计[J].电测与仪表,2018,55(4):103-106. Wang XiangWei,Guo BaoLi,Guo Liang,DU Yan,Zhu HongXia,Song Zhongqiang.Design of adaptive M-BUS host circuit for multiple meter data acquisition Wang XiangWei1,Guo BaoLi1,Guo Liang1,Du Yan2,Zhu HongXia2,Song Zhongqiang3[J].Electrical Measurement & Instrumentation,2018,55(4):103-106.
用于多表集抄系统的自适应M-BUS主机电路设计
Design of adaptive M-BUS host circuit for multiple meter data acquisition Wang XiangWei1,Guo BaoLi1,Guo Liang1,Du Yan2,Zhu HongXia2,Song Zhongqiang3
A circuit is proposed for the multiple meter collection of State Grid.It through the feedback resistor to adjust the LDO to achieve control of M-bus bus level, save the bus current numerical dynamic use of capacitance, to receive and send data from the slaves. In this paper, the principle of the master circuit is described in detail, and the characteristics of the State Grid combined with the photoelectric isolation of the main control circuit. Practical application shows that the circuit has strong anti-interference ability, high reliability and high load capacity.
