GetPos (FB; Prefix filgp)¶
FUNCTION_BLOCK GetPos EXTENDS CBM.ETrig
This function block returns the offset position currently set in the file. The file must be opened via FILE.Open.
- InOut:
Scope
Name
Type
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
hFileCAA.HANDLEFile handle
Output
eErrorLocal library error ID (0: no error; 5101: time out)
udiPos__UXINTOffset position; Number of bytes from the start of the file