GB/T 15312-1994
Replaced
GB/T 38844-2020
Active
National standards
GB/T 38844-2020 Smart factory—General specification for time synchronization,time management and test in industry automation system
GB/T 38844-2020 Smart factory—General specification for time synchronization,time management and test in industry automation system
Basic Information
Standard Code:
GB/T 38844-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Industrial automation instrumentation and control devices
ICS Name:
Industrial automation systems
Publish Date:
2020-06-02
Implement Date:
2020-12-01
Pages:
21 pages
Scope
This standard specifies the basic composition, configuration, and networking principles of clock synchronization systems for smart factories and industrial automation systems. It defines the terms, definitions, functions, and requirements of clock synchronization systems, as well as the methods of managing clock synchronization systems. It also stipulates the measurement test conditions, measurement items, measurement methods, and measurement targets and cycles for clock synchronization systems. This standard applies to industrial Ethernet switches that operate in layers 1 to 2 or layers 1 to 3 of the Open System Interconnection Basic Reference Model specified in GB/T 9387.1, and whose physical layer complies with the IEEE 802.3 standard, the data link layer complies with the IEEE 802.1D and GB/T 15629.2 standards, and the network layer complies with the Internet Engineering Task Force (IETF) IP protocol suite standards.
Development Information
Referenced Standards
GB/T 13729-2019 Remote terminal unit equipment
GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test
GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test
GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test
GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test
GB/T 17626.8-2006 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test
GB/T 17626.9-2011 Electromagnetic compatibility—Testing and measurement techniques—Pulse magnetic field immunity test
GB/T 17626.10-2017 Electromagnetic compatibility—Testing and measurement techniques—Damped oscillatory magnetic field immunity test
IEEE 802.1D
IEEE 802.3
IRIG Standard 200-04
GB/T 6107-2000 Interface between data terminal equipment and data circuit termination equipment employing serial binary data interchange
GB/T 9387.1-1998 Information technology—Open systems interconnection—Basic reference Model—Part 1:The Basic Model
GB/T 15629.2-1995 Information processing systems—Local area networks—Part 2:Logical link control
GB/T 15629.2-2008 Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Part 2: Logical link control
GB/T 25931-2010 Precision clock synchronization protocol for networked measurement and control systems
Related Standards
GB/T 15946-1995
Replaced
GB/T 15946-1995 Standard digital interface for programmable instrumentation
GB/T 18272.1-2000
Active
GB/T 18272.1-2000 Industrial-process measurement and control—Evaluation of system properties for the purpose of system assessment—Part 1:General consideration and methodology
GB/T 18272.2-2000
Active
GB/T 18272.2-2000 Industrial-process measurement and control—Evaluation of system properties for the purpose of system assessment—Part 2:Assessment methodology
GB/T 18272.3-2000
Active
GB/T 18272.3-2000 Industrial-process measurement and control—Evaluation of system properties for the purpose of system assessment—Part 3:Assessment of system functionality
GB/T 18272.5-2000
Active