Random Generator Tag

Introduction

The Random Generator Tag Generator Tag Icon provides a randomly generated data source for I/O Data 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:

Property Type Version Description
UpdateInterval TIME 3.12 The interval between each update. See Interval and Offset for information on how timed activities are scheduled.
UpdateOffset TIME 3.12 The offset added to the UpdateInterval to get the actual update time. See Interval and Offset for information on how timed activities are scheduled.
NominalRange UINT 3.12 The maximum deviation (positive or negative) of the RandomWalk property from the NominalValue.
NominalValue UINT 3.12 The initial value of the RandomWalk property and the center of its range of values.
StepValue UINT 3.12 The 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:

Property Type Description
SawTooth UINT A saw tooth value varying between 0 and 65535.
SineWave UINT A sine wave value varying between 0 and 65535.
CosineWave UINT A 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.
RandomWalk UINT A random value.
RandomBit BOOL A 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 Tags

To learn about I/O data tags.

Random Data Driver

To learn about the Random Data Driver.

Glossary

For the meaning of terms used in Fernhill SCADA.