Art Pietrzyk, TUV FSExp, Rockwell Automation
Brian Root, Redundancy Marketing Manager, Process Initiative, Rockwell Automation
Paul Gruhn, P.E., CFSE, Training Manager, ICS Triplex
Brian Root, Redundancy Marketing Manager, Process Initiative, Rockwell Automation
Paul Gruhn, P.E., CFSE, Training Manager, ICS Triplex
When hearing the term
“high availability,” many engineers think of redundancy as the
only method for achieving higher availability. However, redundancy
increases the number of components, which increases the number of
potential component failures. Therefore, redundancy, if not applied
properly, can actually decrease system availability. So,
should redundancy remain top-of-mind or should alternate methods be
considered?
This paper will discuss
redundant and non-redundant methods for achieving high availability
of control systems, as well as improvements in control technology and
recommended control system designs. The paper will also highlight
features within the Rockwell Automation Integrated Architecture™
platform and ICS Triplex product lines that can help achieve higher
availability.
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