JSONByteArrayWriter (FB)¶
FUNCTION_BLOCK JSONByteArrayWriter EXTENDS CBM.ETrig
Function block for writing of JSON data arrays.
- InOut:
- Scope - Name - Type - Initial - Comment - Inherited from - Input - xExecute- BOOLRising edge: Action startsFalling edge: Resets outputsIf a falling edge occurs before the function block has completed its action, the outputs operate in the usual manner and are only reset if either the action is completed or in the event of an error. In this case, the corresponding output values (- xDone,- xError) are present at the outputs for exactly one cycle.- ETrig - Output - xDone- BOOL- TRUE: Action successfully completed- ETrig - xBusy- BOOL- TRUE: Function block active- ETrig - xError- BOOL- TRUE: Error occurred, function block aborts action- FALSE: No error- ETrig - Input - pwData- POINTER TO WORD - Pointer to the target array - udiSize- UDINT- Size of the target array in bytes. - xAsyncMode- BOOL- TRUE - If true, writer runs in asynchronous mode - wsLinebreak- WSTRING(2)- “$R$N” - Line break character for the JSON writer. Use “” to disable formatting and get a compact format. Default: $R$N - Inout - jsonData- JSONData object - Output - eError
