Overview of time synchronization - Metasys - LIT-12013243 - M4-OASMIN-0 - M4-OASSTD-0 - Server - Open Application Server - 13.0

Open Application Server (OAS) Commissioning Guide
Product
Building Automation Systems > Application Servers > Open Application Server
Document type
Commissioning Guide
Document number
LIT-12013243
Version
13.0
Revision date
2024-06-12
Product status
Active

This section contains a summary of how time synchronizes on a site with various system components. Table 1 summarizes the time sources for various system items. All time is Universal Time Coordinated (UTC) and all system devices handle DST.

Table 1. Time Sources

Item

Time Source

Engine Trend Data

Engine

Engine Events

Engine

Engine Commands

Engine

Schedules

Engine

Annotations

Server (ADS/ADX/OAS)

Event Acknowledgments

Server (ADS/ADX/OAS)