In this month's cover story, Senior Technical Editor Dan Hebert explores the reasons for updating or replacing old systems, and how to decide whether the time has come to make a change. Also in the October issue: Learn more about the OI cost and simplicity of panel meters; find out how IEC 61131 helps with portability; and discover a truly green initiative that doubles processing rates.
The October issue of Control Design magazine is now online and ready for viewing.