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Comment PDF Automation & Control

Compliant Remote I/Os

By André Fritsch R. Stahl Schaltgeräte GmbH |

Process sensors and actuators provide a wealth of information about their status. The Namur recommendation NE 107 that proposes standardized, easily understandable status indicators was issued by the International User Association for Automation in Process Industries (Namur; Leverkusen, Germany; www.namur.de), in an effort to enable plant operators to check the current condition of their field devices quickly and easily. NE 107 helps to structure such data in a concise manner by establishing distinct symbols and color codes. Remote I/O (input/output) systems also generate messages and alarms that can provide helpful information for operation and maintenance. From a users perspective, an implementation of the Namur recommendation for this technology was sorely missing until recently. However, new remote I/O solutions now display important data on location at the module in a differentiated and concise manner according to NE 107. In addition, further alarm and message options also enable efficient information display on higher automation levels. Finally, thanks to integrated wear detection, select remote I/O systems even empower users to establish proactive or opportunity-based maintenance routines that are safer, more economic and more…
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