Positioners and Partial Stroke Tests in Safety Applications » Safety Instrumented System Schematic with DVC6000 SIS Digital Valve Controller in 4-Wire System

Safety Instrumented System Schematic with DVC6000 SIS Digital Valve Controller in 4-Wire System

Permit the digital valve controller to continue to communicate even during emergency conditions (on demand). This allows the digital valve controller to provide valuable trending information through the ValveLink software.

Being able to record the valve action can provide important evidence that the valve did stroke upon demand.


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