摘要:总结了现场总线的发展现状，指出了研究现场总线协议转换技术的必要性，描述了常见现场总线协议转换的机理。最后介绍了采用协议转换原理研究开发的一种支持工业以太网与多种现场总线技术转换的多协议转换器。关键词工业以太网现场总线系统集成协议转换Abstract The current status of development of fieldbus is summarized and the necessity of studying technology of protocol conversion is indicated. The common used mechanisms of field bus protocol conversion are described. A multiple protocol converter developed by using protocol conversion principle is introduced finally，it supports industrial Ethernet and multiple field bus technology conversion.Keywords Industrial Ethernet Fieldbus System integration Protocol conversion