IEC TR 61850-90-2:20 16（E）全面概述了在变电站与控制或维护中心或其他系统级应用之间使用IEC 61850进行信息交换时需要考虑的不同方面。特别是，本技术报告: -定义需要变电站与控制或维护中心之间进行信息交换的用例和通信要求； -描述IEC 61850-6的配置语言的使用； -给出了选择与IEC 61850兼容的通信服务和架构的指南； -描述工程工作流程；介绍代理/网关概念的使用； -描述关于特定通信服务映射的链路。

IEC TR 61850-90-2:2016(E) provides a comprehensive overview of the different aspects that need to be considered while using IEC 61850 for information exchange between substations and control or maintenance centres or other system level applications. In particular, this technical report:
- defines use cases and communication requirements that require an information exchange between substations and control or maintenance centres;
- describes the usage of the configuration language of IEC 61850-6;
- gives guidelines for the selection of communication services and architectures compatible with IEC 61850;
- describes the engineering workflow; introduces the use of a Proxy/Gateway concept;
- describes the links regarding the Specific Communication Service Mapping.