In many chemical industry plants, a safety controller ensures the required level of safety — in the event of danger, it switches off. In order to do justice to this task, it decides, like a watchman, which signals from the field level may be forwarded to higher-level systems and which not. Field device diagnostics for maintenance and optimization have so far been left out of the scope. For the first time, a solution jointly developed by Endress+Hauser and Hima also grants access to advanced diagnostics from instruments applied in safety loops.
Read on