Close (FB)
FUNCTION_BLOCK Close EXTENDS CBM.ETrig
Close a serial com port opened via the FB COM.Open. The output handle hCom must be used here to close the COM port!
- 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
hComCAA.HANDLEHandle to the open COM port. Ist returned by the COM.Open function block.
Output
eErrorLocal library error ID (0: no error; 5001: time out)