13 Reliability andfault-finding

The principal goal of the designer of an instrumentation or process control system is that of optimizing system performance within the constraints imposed by time and a given budget. At the same time, he or she will not wish to compromise the overall quality or reliability of the system. This final chapter deals with quality and reliability in the context of PC-based instrumentation and process control systems, and also sets out to examine some basic fault-finding and troubleshooting techniques which can be instrumental in reducing system down-time.

Quality procedures

In a general engineering context, quality is often defined as the degree to which a product or its components conform to the standards specified ...

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