SMOD meaning in oil and gas
Definition
Secondary Means of De-energization
SMOD means Secondary Means of De-energization. The use of an alternate method of removing all control energy from a Safety Manager (SIS, Safety Instrumented System) Instrumented in order to force the system to a neutral…
The use of an alternate method of removing all control energy from a Safety Manager (SIS, Safety Instrumented System) Instrumented in order to force the system to a neutral state and all downstream functions to their default safe state. Used in the rare case of the Safety System not responding to process variables that would promote an action from a safety manager.
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