DIAGNOSTICIAN PROGRAMMER'S GUIDE
FOR LabVIEW - BASED APPLICATIONS
1. INTRODUCTION
This User Manual describes how to integrate the Diagnostician automated diagnostics software
package with National Instruments LabVIEW graphical test programming software system
operating under the Microsoft Windows operating environment. The Diagnostician implements
diagnostic sessions using system or Unit Under Test (UUT) specific diagnostic knowledge bases
generated UUT CAD data and from user provided diagnostic strategy specifications and interface
descriptions.
The software included in the Diagnostician for LabVIEW package includes all the software
elements required to 1) exercise diagnostic knowledge bases in simulation mode and 2) integrate
and run your applications in the LabVIEW environment.
The Diagnostician which operates in the LabVIEW environment is implemented as a series of
LabVIEW virtual instruments. These virtual instruments include:
OPEN DOC Open Diagnostician Communications
TELL DOC Pass Test Results to Diagnostician
ASK DOC Ask Diagnostician for Diagnosis, Current
Ambiguity Group or Next Test
CLOSE DOC Close Diagnostician Communications
Together, these four virtual instruments can be called from within your LabView application to
provide diagnostic call-out based upon reading the results of individual tests.
The Diagnostician works within a conversation mode established by LabVIEW. All LabVIEW
conversations are managed by an internally assigned Reference Number. This reference number
is passed across all elements in the process.
NOTE: This User's Manual assumes that the user has a basic understanding of the use of National
Instruments LabVIEW.
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