NextElement (FB)ΒΆ
FUNCTION_BLOCK NextElement EXTENDS CBM.ETrig
Reads the next element of a CSV file.
- InOut:
Scope
Name
Type
Initial
Comment
Inherited from
Input
xExecuteBOOLRising 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
xDoneBOOLTRUE: Action successfully completedETrig
xBusyBOOLTRUE: Function block activeETrig
xErrorBOOLTRUE: Error occurred, function block aborts actionFALSE: No errorETrig
Input
udiMaxElementLengthUDINT255
Max length of the element
xResetBOOLReset the read position to the first element
psElementPOINTER TO STRING
Pointer to element to read
Inout
csvReaderInitInitialization of the CSV reader
Output
eErrorError code
xHasNextElementBOOLTrue, if there are more elements to read