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Chapter 5 Automotive Diagnostic Command Set API for LabVIEW
© National Instruments Corporation 5-13 Automotive Diagnostic Command Set User Manual
Description
Data output from diagnostic services (for example, ReadDataByLocalIdentifier.vi) is
usually a byte stream of binary data. If you have a description of the data output (for example,
byte 3 and 4 are engine RPM scaled as .25 *
×
RPM in Motorola representation), you can
use Convert to Phys.vi to extract the physical value from the byte stream by filling an
appropriate type descriptor cluster.