stores an image snapshot taken from an external image source.
The I/O Bitmap Image Tag
stores an image snapshot taken from an external image source.
You can use the I/O Bitmap Image Tag to:
The Snapshot Image Tag supports the properties of the Core Tag plus these properties:
| Property | Type | Version | Description |
|---|---|---|---|
| IOImageSource | WSTRING | 3.89 | The Image Source to read the bitmap image from. |
| IOImageName | STRING | 3.89 | The name of the bitmap image to read from the Image Source. |
| ReadInterval | TIME | 3.89 | How often to read the bitmap image from the Image Source. An interval value of zero (T#0s) stops the automatic reading of bitmap images. See Interval and Offset for information on how timed activities are scheduled. |
| ReadOffset | TIME | 3.89 | The offset added to the ReadInterval to get the actual read time. See Interval and Offset for information on how timed activities are scheduled. |
The I/O Bitmap Image Tag supports these tag commands:
| Tag Command | Version | Description |
|---|---|---|
| Refresh | 3.89 | Requests an immediate read of the bitmap image. |
The Snapshot Image Tag builds on the features of these tag types:
To learn more about the core driver.
For the meaning of terms used in Fernhill SCADA.