嵌入式协议转换器在无源无线测温系统中的应用

摘要

Because of the limitation of 485 bus transmission distance, it is difficult to transfer the data of temperature collected by the passive wireless temperature measurement system to a distant control room. But Ethernet could do it. Therefore, the solution of Ethernet for remote control is proposed There are a lot of communication protocols in the electric power system. Different manufacturers use different protocols. In order to access to back-office systems of the various equipment, a protocol converter is needed that can achieve Modbus, IEC-870-5-101, IEC-870-5-104, CDT, IEC 61850 communication protocol conversion.%由于485总线传输距离的限制,无源无线测温系统采集的温度数据难以传输到远距离的监控室中,而通过以太网即可实现远程数据传输,因此提出基于以太网和现场总线的两层结构,实现远程控制。同时电力系统内通信协议较多,不同厂家的设备接口协议不一致,为了更好地与各设备厂商后台系统对接,需要一款协议转换器,实现电力系统内Modbus,IEC-870-5-101,IEC-870-5-104,CDT,IEC61850通信协议的互转。