Core Driver

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Introduction

The Core Driver provides these types of tags:

Display Page Tags

Display Page Tags define the content of pages displayed to an operator. These tags are supported:

IconTag TypeVersionDescription
Graphic IconGraphic Page Tag3.0A preconfigured graphic page stored in a tag.
Text File IconText File Tag3.13A preconfigured plain text file.
Trend IconTrend Plot Tag2.6A preconfigured trend plot showing one or more tag values historically.
Trend IconValue Duration Plot Tag3.68A preconfigured value duration plot showing the how much time a tag is more than a value.

Internal Data Point Tags

Internal Data Point Tags store data points internally in the Fernhill SCADA Server. These Internal Data Point Tags are supported:

IconTag TypeVersionDescription
Analog Data Point TagInternal Analog Data Point Tag1.0Stores an analog value not derived from any data source.
Digital Data Point TagInternal Digital Data Point Tag1.0Stores a digital value not derived from any data source.
Word Data Point TagInternal Word Data Point Tag1.2Stores a 16-bit integer value not derived from any data source.
Double Word Data Point TagInternal Double Word Data Point Tag1.3Stores a 32-bit integer value not derived from any data source.
Long Word Data Point TagInternal Long Word Data Point Tag3.48Stores a 64-bit integer value not derived from any data source.
String Data Point TagInternal String Data Point Tag1.2Stores a variable length character string not derived from any data source.

I/O Data Point Tags

I/O Data Point Tags map data points to data sources. These I/O Data Point Tags are supported:

IconTag TypeVersionDescription
Analog Data Point TagI/O Analog Data Point Tag3.12Maps an Analog Data Point Tag to a data source.
Digital Data Point TagI/O Digital Data Point Tag3.12Maps a Digital Data Point Tag to a data source.
Word Data Point TagI/O Word Data Point Tag3.12Maps a 16-bit Word Data Point Tag to a data source.
Double Word Data Point TagI/O Double Word Data Point Tag3.12Maps a 32-bit Double Word Data Point Tag to a data source.
Long Word Data Point TagI/O Long Word Data Point Tag3.48Maps a 64-bit Long Word Data Point Tag to a data source.
String Data Point TagI/O String Data Point Tag3.12Maps a String Data Point Tag to a data source.

Calculated Data Point Tags

Calculated Data Point Tags use a calculation to define the value of a tag. These Calculated Data Point Tags are supported:

IconTag TypeVersionDescription
Analog Data Point TagCalculated Analog Data Point Tag1.0Updates an analog value from the result of a calculation.
Digital Data Point TagCalculated Digital Data Point Tag1.0Updates a digital value from the result of a calculation.
Word Data Point TagCalculated Word Data Point Tag1.2Updates a 16-bit unsigned integer value from the result of a calculation.
Double Word Data Point TagCalculated Double Word Data Point Tag1.3Updates a 32-bit unsigned integer value from the result of a calculation.
Long Word Data Point TagCalculated Long Word Data Point Tag3.48Updates a 64-bit unsigned integer value from the result of a calculation.
String Data Point TagCalculated String Data Point Tag1.2Updates a string value from the result of a calculation.

Alarm Tags

Alarm Tags raise alarms if the associated data tag meets certain conditions. These alarm tags are supported:

IconTag TypeVersionDescription
Digital AlarmDigital Alarm Tag1.5Raises an alarm if a tag is a defined value.
Analog AlarmAnalog Level Alarm Tag1.5Raises an alarm if a tag value is outside of a defined range.

Program Tags

Program Tags store IEC 61131-3 Scripts. These program tags are supported:

IconTag TypeVersionDescription
Program TagProgram Tag2.0Runs an program script.
Program Library TagProgram Library Tag2.0A library of shared functions and function blocks.

Organization Tags

Organization Tags are used to organize the structure of the tag database. These organization tags are supported:

IconTag TypeVersionDescription
Folder IconFolder Tag1.0A folder for other tags and folders.
Database Root IconDatabase Root Tag1.0The root tag of the tag database.
Database Table IconDatabase Table Tag3.35An application specific database table.

Further Information

Fernhill SCADA Drivers

For information about other drivers available in Fernhill SCADA.

Glossary

For the meaning of terms used in Fernhill SCADA.