Atlas Copco PowerMACS 4000, Руководство пользователя

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Peripheral Devices
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8.14.4.38 GetTrace
Description: Call this method to read the next Trace from the FIFO queue for the API device. See
chapter: Layout of Traces for the returned data is formatted.
The FIFO queue can hold max 100 traces. If overflowed then the oldest trace is overwritten.
Once a trace has been read by a call to this method it cannot be read again. If the queue is
empty when called then
eRetNoData is returned.
Return type : A RetCodeEnum value.
Syntax: object . GetTrace ( Buf, Size )
Obj./Arg. Type Dir Description
object Api The Api object to operate on.
Buf
Byte array Out The byte array to receive the read trace.
Size Long In/Out At call: Max length of Buf , At return: The length of the returned
data in Buf .
8.14.4.39 GetTraceEx
Description: Call this method to read the next Trace from the FIFO queue for the API device. The data is
returned as a TraceData object.
The FIFO queue can hold max 100 traces. If overflowed then the oldest trace is overwritten.
Once a trace has been read by a call to this method it cannot be read again. If the queue is
empty when called then
eRetNoData is returned.
Return type : A RetCodeEnum value.
Syntax: object . GetTraceEx ( TraceData )
Obj./Arg. Type Dir Description
object Api The Api object to operate on.
TraceData System
Out A reference that can hold the returned TraceData object. Is set
to Nothing (null) if error.
8.14.4.40 GetLastTrace
Description: Get last trace for a specific station and bolt in similar way as GetTraceEx but data is
returned even if it has already been read.
Return type : A RetCodeEnum value.
Syntax: object . GetLastTrace ( Stn, Blt, TraceData )
Obj./Arg. Type Dir Description