The Core Driver provides these types of tags:
Display Page Tags define the content of pages displayed to an operator. These tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
|
Graphic Page Tag | 3.0 | A preconfigured graphic page. |
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Text File Tag | 3.13 | A preconfigured plain text file. |
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Trend Plot Tag | 2.6 | A preconfigured trend plot showing one or more tag values historically. |
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Value Duration Plot Tag | 3.68 | A preconfigured value duration plot showing how much time a tag is more than a value. |
Internal Data Point Tags store data points internally in the Fernhill SCADA Server. These Internal Data Point Tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
 |
Internal Analog Data Point Tag | 1.0 | Stores an analog value in the tag database. |
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Internal Digital Data Point Tag | 1.0 | Stores a digital value in the tag database. |
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Internal Word Data Point Tag | 1.2 | Stores a 16-bit integer value in the tag database. |
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Internal Double Word Data Point Tag | 1.3 | Stores a 32-bit integer value in the tag database. |
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Internal Long Word Data Point Tag | 3.48 | Stores a 64-bit integer value in the tag database. |
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Internal String Data Point Tag | 1.2 | Stores a variable length character string in the tag database. |
I/O Data Point Tags map data points to data sources. These I/O Data Point Tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
|
I/O Analog Data Point Tag | 3.12 | Maps an Analog Data Point Tag to a data source. |
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I/O Digital Data Point Tag | 3.12 | Maps a Digital Data Point Tag to a data source. |
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I/O Word Data Point Tag | 3.12 | Maps a 16-bit Word Data Point Tag to a data source. |
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I/O Double Word Data Point Tag | 3.12 | Maps a 32-bit Double Word Data Point Tag to a data source. |
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I/O Long Word Data Point Tag | 3.48 | Maps a 64-bit Long Word Data Point Tag to a data source. |
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I/O String Data Point Tag | 3.12 | Maps a String Data Point Tag to a data source. |
Calculated Data Point Tags use a calculation to define the value of a tag. These Calculated Data Point Tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
|
Calculated Analog Data Point Tag | 1.0 | Updates an analog value from the result of a calculation. |
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Calculated Digital Data Point Tag | 1.0 | Updates a digital value from the result of a calculation. |
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Calculated Word Data Point Tag | 1.2 | Updates a 16-bit unsigned integer value from the result of a calculation. |
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Calculated Double Word Data Point Tag | 1.3 | Updates a 32-bit unsigned integer value from the result of a calculation. |
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Calculated Long Word Data Point Tag | 3.48 | Updates a 64-bit unsigned integer value from the result of a calculation. |
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Calculated String Data Point Tag | 1.2 | Updates a string value from the result of a calculation. |
Bitmap Image Tags store bitmap images in tags in the Fernhill SCADA Server. These Bitmap Image Tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
 |
Internal Bitmap Image Tag | 3.89 | Stores a bitmap image in the tag database. |
|
I/O Bitmap Image Tag | 3.89 | Maps a Bitmap Image Common Core Tag to an image source. |
Alarm Tags raise alarms if the associated data tag meets certain conditions. These alarm tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
|
Digital Alarm Tag | 1.5 | Raises an alarm if a tag is a defined value. |
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Analog Multi-Level Alarm Tag | 1.5 | Raises an alarm if a tag value is outside a defined range. |
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Analog Single-Level Alarm Tag | 4.28 | Raises an alarm if a tag value is above or below a limit value. |
Time Series Tags generate summary data values at equal time spaced intervals. The output of these tags can be useful in data analysis applications.
These Time Series Tags are available:
| Type | Icon | Description |
|---|---|---|
| Counter |  |
Counts digital state transitions in a time period. |
| Runtime |  |
Measures the amount of time that a tag is not zero (running). |
Program Tags store IEC 61131-3 Scripts. These program tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
 |
Program Tag | 2.0 | Runs an program script. |
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Program Library Tag | 2.0 | A library of shared functions and function blocks. |
Organization Tags are used to organize the structure of the tag database. These organization tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
 |
Folder Tag | 1.0 | A folder for other tags and folders. |
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Database Root Tag | 1.0 | The root tag of the tag database. |
These tags are supported:
| Icon | Tag Type | Version | Description |
|---|---|---|---|
 |
Database Table Tag | 3.35 | An application specific database table. |
 |
Operator Sound Tag | 4.9 | A tag to store a sound clip played to the Operator. |
For information about other drivers available in Fernhill SCADA.
For the meaning of terms used in Fernhill SCADA.