Random Generator Tag

Help Contents

Introduction

The Random Generator TagGenerator Tag Icon provides a randomly generated data source for I/O Data Point Tags.

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

Configuration Properties

The Random Generator Tag supports the configuration properties of the Core Tag plus these properties:

PropertyTypeVersionDescription
UpdateIntervalTIME3.12 The interval between each update. See Interval and Offset for information on how timed activities are scheduled.
UpdateOffsetTIME3.12 The offset added to the UpdateInterval to get the actual update time. See Interval and Offset for information on how timed activities are scheduled.
NominalRangeUINT3.12The maximum deviation (positive or negative) of the RandomWalk property from the NominalValue.
NominalValueUINT3.12The initial value of the RandomWalk property and the center of its range of values.
StepValueUINT3.12The maximum change (positive or negative) of the RandomWalk property at the next update.

Dynamic Properties

The Random Generator Tag supports the dynamic properties of the Core Tag, plus these properties:

PropertyTypeDescription
SawToothUINTA saw tooth value varying between 0 and 65535.
SineWaveUINTA sine wave value varying between 0 and 65535.
CosineWaveUINTA sine wave value varying between 0 and 65535. The value of this property is 90 degrees out of phase with respect the to SineWave property.
RandomWalkUINTA random value.
RandomBitBOOLA random bit value.

Tag Commands

The Random Generator Tag does not support any tag commands.

Relationships to Other Tag Types

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

Further Information

I/O Data Point Tags

To learn about I/O Data Point Tags.

Random Data Driver

To learn about the Random Data Driver.

Glossary

For the meaning of terms used in Fernhill SCADA.