Value Duration Plot Tag

Introduction

The Value Duration Plot Tag stores a definition of a value duration plot. A Value Duration Plot shows the operator the duration a Data Point Tag is above a certain value. For example:

A value duration plot showing two data point tags.

This example shows how long the load current of two motors is equal to or above a value.

Using the Plot Editor you can configure:

An optional title.
Up to 8 pens to displayed on the plot.
The time period of the data shown on the plot.
Fonts and colors of the display elements.

The Value Duration Plot Tag is a license free tag. You can create any number of these tags without restriction.

Configuration Properties

The Value Duration Plot Tag supports the configuration properties of the Core Tag.

Use the Plot Editor to configure the contents of the plot.

Data Properties

The Value Duration Plot Tag does not support any Data Properties.

Tag Commands

The Value Duration Plot Tag does not support any Tag Commands.

Relationships to Other Tag Types

The Value Duration Plot Tag builds on the features of these tag types:

Plot Tag

Further Information

Trend Plot

To learn about a trend plot.

Configuration Tool Plot Editor

To learn how to configure Value Duration Plots.

Core Driver

For information about all the tag types provided by the core driver.

Glossary

For the meaning of terms used in Fernhill SCADA.