Trends and Charts library

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Trends and Charts library

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trendsandchartslibrary

Trends library contains the following objects:

Trend

Real time trend

Trend DB

Trend OPC UA History

Pie Chart

Bar chart

Trend and Real time trend draw curves based on tags that used history data collection (check Enable history in Tags properties). Trend DB draw curves based on tags that used data stored in general database (check Store in DB in Tags properties). Trend OPC UA History draw curves based on tags that bind to OPC UA nodes supported Historyzing property. All trends have the same General and Grid group properties. Below we describe their only for one graphical object - Trend.