Random Analog Data Tag

Help Contents

Introduction

The Random Analog Data Tag Analog Data Tag Icon provides a randomly generated analog value.

The Random Analog Data Tag is a license free tag. You can create any number of these tags without restriction.

Configuration Properties

Property Type Version Description
UpdateInterval TIME 1.0 The interval between each update. See Interval and Offset for information on how timed activities are scheduled.
UpdateOffset TIME 1.0 The offset added to the UpdateInterval to get the actual update time. See Interval and Offset for information on how timed activities are scheduled.
NominalRange LREAL 1.0 The maximum deviation (positive or negative) from the NominalValue.
NominalValue LREAL 1.0 The initial value of the Random Analog and the center of its range of values.
StepValue LREAL 1.0 The maximum change (positive or negative) at the next update.

Tag Commands

The Random Analog Data Tag supports the tag commands of the Analog Data Tag plus these tag commands:

Tag Command Version Description
WriteValue 1.0 Resets the tag to the specified value.

Relationships to Other Tag Types

The Random Analog Data Tag builds on the features of these tag types:

Further Information

Analog Data Tag

To learn about properties common to all analog tags.

Random Data Driver

To learn about the Random Data Driver.

Glossary

For the meaning of terms used in Fernhill SCADA.