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Input
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xExecute
|
BOOL
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Rising edge: Action starts
Falling edge: Resets outputs
If 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.
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ETrigToA
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xAbort
|
BOOL
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TRUE: Action is stopped immediately and all outputs are reset to their initial values.
|
ETrigToA
|
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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.
|
ETrigToA
|
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Output
|
xDone
|
BOOL
|
TRUE: Action successfully completed
|
ETrigToA
|
|
xBusy
|
BOOL
|
TRUE: Function block active
|
ETrigToA
|
|
xError
|
BOOL
|
TRUE: Error occurred, function block aborts action
FALSE: No error
|
ETrigToA
|
|
xAborted
|
BOOL
|
TRUE : Action aborted by user
|
ETrigToA
|
|
Input
|
hCom
|
CAA.HANDLE
|
Handle to the open COM port. Ist returned by the COM.Open function block.
|
|
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pBuffer
|
CAA.PVOID
|
Pointer to a buffer with the data to write to the COM port
|
|
|
szSize
|
CAA.SIZE
|
Number of bytes in pBuffer to write to the COM port
|
|
|
Output
|
eError
|
ERROR
|
Local library error ID (0: no error; 5001: time out)
|
|