摘要
根据多功能电能表的规约和485通信接口的技术标准,分析了电能表RS485通信接口在多系统通信方式中实时系统、非实时系统同时及不同时三种主控系统通信情况,提出三种情况下多系统电能表通信解决方案。
Based on multi -function Watt -hour meter communication protocol and standard RS -485 data transmission,this paper analyzed multi-master communication of RS485 about Watt-hour meter:real time system, simultaneity and non-real time system,asynchronism and non-real time system.And the method about multi-master communication is provided.
出处
《电测与仪表》
北大核心
2009年第S2期99-101,共3页
Electrical Measurement & Instrumentation
关键词
电能表
RS485
多系统通信
Watt-hour meter
RS485
multi-master communication
