Research on model mapping method between MODBUS and IEC61850

International Conference on Mechatronics Engineering and Artificial Intelligence Pub Date : 2023-02-28 DOI:10.1117/12.2671815

Zheng Peng, Weiyun Mao, Yaqi Zhang, Xiangyi Xu

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Abstract

In view of the existence of a large number of conventional state monitoring devices in power transmission and transformation equipment, the use of state monitoring communication gateway is an effective method to solve the problem that conventional state monitoring devices are connected to the power transmission and transformation property management platform. Based on the analysis of Modbus and IEC61850 models, the model mapping method of Modbus and IEC61850 is proposed, including the mapping between IEC61850 object reference and MODBUS address, the mapping between public data type and MODBUS parameter type, and the mapping between abstract communication service and Modbus protocol data unit. The data model of Modbus is built by object-oriented technology. According to the principle of hierarchical semantic equivalence, the mapping relationship of information and service models among Modbus, IEC61850 and MMS is established. Based on the established mapping model, the design of Modbus and IEC 61850-8-1 conversion module and the reading and writing service of status monitoring data are completed, which verifies the correctness and feasibility of the above design method.

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MODBUS与IEC61850之间模型映射方法的研究

鉴于输变电设备中存在大量的常规状态监控设备，使用状态监控通信网关是解决常规状态监控设备接入输变电物业管理平台问题的有效方法。在分析Modbus和IEC61850模型的基础上，提出了Modbus和IEC61850的模型映射方法，包括IEC61850对象引用与Modbus地址的映射、公共数据类型与Modbus参数类型的映射、抽象通信服务与Modbus协议数据单元的映射。Modbus的数据模型采用面向对象技术建立。根据分层语义等价原则，建立Modbus、IEC61850和MMS之间的信息和服务模型映射关系。在建立映射模型的基础上，完成了Modbus与IEC 61850-8-1转换模块的设计以及状态监测数据的读写服务，验证了上述设计方法的正确性和可行性。

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International Conference on Mechatronics Engineering and Artificial Intelligence

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