LREAL
For more information on the format, refer to Address Formats.Format | Supported Data Types | Notes |
|---|---|---|
Array Element | Double* | The Native Tag must be an array. |
Array w/ Offset | Double Array | The Native Tag must be an array. |
Array w/o Offset | Double Array | If accessing more than a single element, the Native Tag must be an array. |
Bit | Boolean | Invalid: Syntax/Data type not supported. |
Standard | Double* | None. |
String | String | Invalid: Syntax/Data type not supported. |
*Double value is a valid IEEE double precision Floating point number.
Examples
Examples highlighted signify common use cases.
LREAL Atomic Tag – lrealtag = 512.5 (decimal)
Server Tag Address | Format | Data Type | Notes |
|---|---|---|---|
lrealtag | Standard | Boolean | Invalid: Data type not supported. |
lrealtag | Standard | Byte | Invalid: Data type not supported. |
lrealtag | Standard | Word | Invalid: Data type not supported. |
lrealtag | Standard | DWord | Invalid: Data type not supported. |
lrealtag | Standard | Double | Value = 512.5 |
lrealtag [3] | Array Element | Boolean | Invalid: Tag is not an array, and Boolean is invalid. |
lrealtag [3] | Array Element | DWord | Invalid: Tag is not an array. |
lrealtag {3} | Array w/o Offset | DWord | Invalid: Tag is not an array. |
lrealtag {1} | Array w/o Offset | Double | Value = [512.5] |
lrealtag {1} | Array w/o Offset | Boolean | Invalid: Bad data type. |
lrealtag [3] {1} | Array w/ Offset | Float | Invalid: Tag is not an array. |
lrealtag . 3 | Bit | Boolean | Invalid: Data type not supported. |
lrealtag . 0 {32} | Array w/o Offset | Boolean | Invalid: Data type not supported. |
lrealtag | String | String | Invalid: Syntax / data type not supported. |
lrealtag | String | String | Invalid: Syntax / data type not supported. |
LREAL Array Tag - realarraytag [4,4] = [[82.1,69.2,65.3,76.4],[256.5,257.6,258.7,259.8],[9.0,10.0,11.0,12.0],[13.0,14.0,15.0,16.0]]
Server Tag Address | Format | Data Type | Notes |
|---|---|---|---|
lrealarraytag | Standard | Boolean | Invalid: Tag cannot be an array. |
lrealarraytag | Standard | Byte | Invalid: Tag cannot be an array. |
lrealarraytag | Standard | Word | Invalid: Tag cannot be an array. |
lrealarraytag | Standard | DWord | Invalid: Tag cannot be an array. |
lrealarraytag | Standard | Double | Invalid: Tag cannot be an array. |
lrealarraytag [3] | Array Element | Double | Invalid: Server tag missing dimension 2 address. |
lrealarraytag [1,3] | Array Element | Boolean | Invalid: Boolean not allowed for array elements. |
lrealarraytag [1,3] | Array Element | Double | Value = 259.8 |
lrealarraytag {10} | Array w/o Offset | Byte | Invalid: Data type not supported. |
lrealarraytag {2} {5} | Array w/o Offset | Double | Value = [82.1,69.2,65.3,76.4,256.5] [257.6,258.7,259.8,9,10] |
lrealarraytag {1} | Array w/o Offset | Double | Value = 82.1 |
lrealarraytag {1} | Array w/o Offset | Boolean | Invalid: Bad data type |
lrealarraytag [1,3] {4} | Array w/ Offset | Double | Value = [259.8,9.0,10.0,11.0] |
lrealarraytag . 3 | Bit | Boolean | Invalid: Tag must reference atomic location. |
lrealarraytag [1,3] . 3 | Bit | Boolean | Value = 0 |
lrealarraytag [1,3] . 0 {32} | Array w/o Offset | Boolean | Invalid: Syntax/Data type not supported. |
lrealarraytag | String | String | Invalid: Syntax / data type not supported. |
lrealarraytag | String | String | Invalid: Syntax / data type not supported. |