Active Standard

IEEE C37.238a-2023

IEEE Standard Profile for Use of IEEE 1588™ Precision Time Protocol in Power System Applications Amendment 1: Adding a Type-Length-Value (TLV) to Indicate the Latest International Earth Rotation Service (IERS)-Specified Universal Time Coordinated (UTC) Leap Second Event

This amendment to IEEE Std. C37.238™-2017 specifies a LEAP_SECOND_EVENT TLV to enable grandmaster-capable clocks to distribute leap second event and validity information in advance.

Standard Committee
PE/PSCC - Power System Communications and Cybersecurity
Status
Active Standard
PAR Approval
2020-03-05
Board Approval
2023-06-29
History
ANSI Approved:
2024-11-05
Published:
2023-12-08

Working Group Details

Society
IEEE Power and Energy Society
Standard Committee
PE/PSCC - Power System Communications and Cybersecurity
Working Group
PO_C37.238a - IEEE Standard Profile for Use of IEEE 1588 Precision Time Protocol in Power System Applications Amendment
IEEE Program Manager
Tom Thompson
Contact Tom Thompson
Working Group Chair
C Huntley

Other Activities From This Working Group

Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.


No Active Projects

Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.


No Active Standards

These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.


No Superseded Standards

These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.


No Inactive-Withdrawn Standards

These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.


No Inactive-Reserved Standards
Subscribe to our Newsletter

Sign up for our monthly newsletter to learn about new developments, including resources, insights and more.