Modern Industrial Automation Software Design
Chapter One
Introduction
In the past years before the personal computer (PC) was widely incorporated
into industrial automation systems, all the faults that occurred in industrial
processes were checked and dealt with by trained or experienced operators.
For example, in the condition monitoring systems for the natural gas pipeline
network, all operations were handled in a manual or semiautomatic manner,
which, however, had some major drawbacks. For instance, the operator had
to do the majority of the work by hand, the abnormal conditions could not
be monitored and handled in real time, the remote measurement parameters
could not be effectively monitored, and operators were prone to make mistakes
in recording and manipulating a large amount of data. Therefore, it is hi ... read full excerpt from Modern Industrial Automation Software Design ebook