This function converts a given Julian Date (regular or modified) of data type LReal (Double) to a date and time of data type DTL.
The timestamp is calculated based on UTC. This means that the time zone is not considered.
Only times after 01/01/1990 are permitted.
| LGF_JulianTimeToDTL (FC) | ||||||||
|---|---|---|---|---|---|---|---|---|
| LReal | julianDate | Ret_Val | DTL | |||||
| Bool | isModifiedDate | error | Bool | |||||
| status | Word | |||||||
| Identifier | Data type | Description |
|---|---|---|
| julianDate | LReal | Julian date to convert (standard or modified, depends on `isModifiedDate`) |
| isModifiedDate | Bool | TRUE: `julianDate` is the modified Julian date FALSE: `julianDate` is the regular Julian date |
| Identifier | Data type | Description |
|---|---|---|
| Ret_Val | DTL | Converted time (Date and time). In case of Error DTL default value |
| error | Bool | FALSE: No error TRUE: An error occurred during the execution of the FB |
| status | Word | 16#0000-16#7FFF: Status of the FB 16#8000-16#FFFF: Error identification (see following Table) |
| Code / Value | Identifier / Description |
|---|---|
| 16#0000 | STATUS_NO_ERRROR Status: Execution finished without errors |
| 16#6001 | WARN_CONVERSION_LIMIT Warning: Julian date (julianDate) is exactly at the lower limit of 01.01.1990. |
| 16#8000 | ERR_TIME_BEFORE_1990 Error: Julian date `julianDate` is before 01/01/1990. The function does not support this conversion. |
| Version & Date | Change description | |
|---|---|---|
| 1.0.0 | Siemens Industry Online Support | |
| 14.04.2023 | First released version | |