Lenze PLC Designer V2.x Manual do Utilizador Página 289

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1.3 EN - 07/2012 L 289
PLC Designer V2.x| Lenze Application Samples
The L_SCB_CANBasic.lib library
L_SCB_ParRead - read parameter
Outputs
Identifier/data type Information/possible settings
xDone
BOOL
TRUE: Read request completed
xBusy
BOOL
Status output "Read request sent"
TRUE: The read request was sent to the operating system and the FB is waiting for
a response from the device addressed.
FALSE: The read request was completed.
xError
BOOL
Status output "Error"
TRUE: During the processing an error has occurred.
xTimeOut
BOOL
Signalling of a time-out (time-out error)
TRUE: Time-out; read request could not be executed
FALSE: No time-out detected
dwData
DWORD
Parameter value read (converted to different data types)
byNrOfByte
BYTE
Number of bytes read
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