新的！IEC 61400-25-4:20 16作为IEC 61400-25-4:20 16 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 61400-25-4:20 16指定了对协议栈的特定映射，这些协议栈对客户端和远程服务器之间的信息交换所需的消息进行编码，用于:数据访问和检索、设备控制、事件报告和日志记录、发布者/订阅者、设备的自我描述（设备数据字典）、数据类型和数据类型的发现。IEC 61400-25本部分规定的映射包括: -到基于SOAP的web服务的映射， -到OPC/XML-DA的映射， -到IEC 61850-8-1 MMS的映射， -到IEC 60870-5-104的映射， -到DNP3的映射。 与上一版相比，主要技术变化如下:-与IEC 61400-25-2中的信息模型和IEC 61400-25-3中的信息交换服务进行总体协调； -通过增加参考减少标准之间的重叠和简化。

NEW!IEC 61400-25-4:2016 is available as IEC 61400-25-4:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61400-25-4:2016 specifies the specific mappings to protocol stacks encoding the messages required for the information exchange between a client and a remote server for: data access and retrieval, device control, event reporting and logging, publisher/subscriber, self-description of devices (device data dictionary), data typing and discovery of data types. The mappings specified in this part of IEC 61400-25 comprise:
- a mapping to SOAP-based web services,
- a mapping to OPC/XML-DA,
- a mapping to IEC 61850-8-1 MMS,
- a mapping to IEC 60870-5-104,
- a mapping to DNP3.
The main technical changes with regard to the previous edition are as follows:
- general harmonization with information models in IEC 61400-25-2 and information exchange services in IEC 61400-25-3;
- reduction of overlap between standards and simplification by increased referencing.