China 'GB/T 20540.4-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20540.4-2006
Digital data communication for measurement and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 4: Data link layer protocol specification 测量和控制数字数据通信 工业控制系统用现场总线 类型3:PROFIBUS规范 第4部分:数据链路层协议规范
Issued Date:2006-10-16
Implemented Date:2007-05-01
Issued by:
The Standardization Administration of the People's Republic of China