History Server; History Embedded Data Collector - ABB 800xA User Manual

Section 2 Introduction

History Server

History Server is responsible for storing raw data and aggregated data from the
control system. It stores the raw data in Real time database and aggregates the same
data. History also stores events and manages system configuration. It provides open
interfaces for external applications.
History server consists of an internal Real Time Database. Real Time Database is
used for raw data storage and buffering, which is designed and optimized for
process information management and extensive history recording. High
performance and reliability of Real Time Database, together with maintenance free
operation, provide a solid platform for mission-critical systems. Real Time Database
combines the benefits of an easy-to-use relational desktop database with industrial
reliability, performance and real-time functionality to provide an excellent platform
for process information management.

History Embedded Data Collector

History Embedded Data Collector is a node in History architecture, which is
responsible for data buffering of raw OPC data. History Embedded Data Collector
stores the raw data in the real time database, which is a part of Data Collector Node.
The raw data is stored in the real time database for seven days in the Data Collector
Node, which is sent to History server.
The following are the features of History Embedded Data Collector:
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Redundant Data collectors will be preferable configuration for the Data
Collection to the History Server.
2PAA107563-600 B
It can be configured to execute in pairs.
It provides interfaces for data access.
It is very simple to install and has a fixed data model for storage based on
purpose.
It can be embedded in other applications.
The engineering is driven from History server in the History architecture.
History Server
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