Section 4 Visualization and Data Access
Overview
This section describes the procedure for retrieval and viewing the numeric and event
data.
•
•
This section also describes the data access interfaces supported by History. The data
access interfaces provide connectivity to the history data and facilitate the data
exchange with the 3rd party applications like Enterprise Systems, report generation
tools etc.
Following connectivity is supported via standard interfaces:
1.
2.
3.
4.
2PAA107563-600 B
Viewing Numeric Data
–
Using DataDirect
–
Using Trend Display
Viewing Events Data
–
Viewing Events on Duration Basis
–
Viewing Events on Specific Time and Date
OPC DA to access real time data.
OPC HDA to access history data.
OPC UA to access real time and history data.
ODBC to access numeric as well as event data.
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