IEC 61158-4-16:20 07定义了在自动化环境中的设备之间提供基本的时间关键消息通信的数据链路层。它定义了从一个数据链路用户实体到对等用户实体以及在形成分布式数据链路服务提供商的数据链路实体之间及时传送数据和控制信息的过程。IEC 61158-4子系列的第一版及其配套部分取消并取代IEC 61158 4:20 03。它包括以下内容: -由于缺乏市场相关性，删除前6型现场总线和5型现场总线数据链路层的占位符； -增加新型现场总线； -将该部分分成多个部分，编号为-4 1、-4 2、.、-4-19。这个双语版本（2013-09）对应于2007-12年出版的单语英文版。

IEC 61158-4-16:2007, defines the data-link layer which provides basic time-critical messaging communications between devices in an automation environment. It defines procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider. This first edition and its companion parts of the IEC 61158-4 subseries cancel and replace IEC 61158 4:2003. It includes the following:
- deletion of the former Type 6 fieldbus, and the placeholder for a Type 5 fieldbus data link layer, for lack of market relevance;
- addition of new types of fieldbuses;
- division of this part into multiple parts numbered -4 1, -4 2,., -4-19. This bilingual version (2013-09) corresponds to the monolingual English version, published in 2007-12.