The October issue of Control Design magazine is now online and ready for viewing.

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.

Check out the full digital edition.