This function proves a LReal datatype for a valid number and numeric range.
| LGF_IsNumber (FC) | ||||||||
|---|---|---|---|---|---|---|---|---|
| LReal | number | Ret_Val | Bool | |||||
| LReal | validRangeMin | |||||||
| LReal | validRangeMax | |||||||
| Identifier | Data type | Description |
|---|---|---|
| number | LReal | Number to validate |
| validRangeMin | LReal | Minimum real number for valid range |
| validRangeMax | LReal | Maximum real number for valid range |
| Identifier | Data type | Description |
|---|---|---|
| Ret_Val | Bool | TRUE: Is real number FALSE: Out of range / NAN |
| Version & Date | Change description | |
|---|---|---|
| 1.0.0 | Siemens SIMATIC Systems Support | |
| 29.07.2025 | First release version | |