ETrigTo
(FB)
FUNCTION_BLOCK ETrigTo IMPLEMENTS IFBCommand
Serves as a basis for Edge Triggered, Time out constrained function blocks
- InOut:
Scope
Name
Type
Comment
Input
xExecute
BOOL
Rising 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.udiTimeOut
UDINT
Defines the time (µs) after which an FB (e.g. requiring an external acknowledgement) aborts operation due to a timeout with error message.
Output
xDone
BOOL
TRUE
: Action successfully completedxBusy
BOOL
TRUE
: Function block activexError
BOOL
TRUE
: Error occurred, function block aborts actionFALSE
: No error