Inhibits & Overrides

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Across
  1. 2. Prevent or disable the function of the sensor or output of a system
  2. 4. A PHA using a what-if methodology to understand the risks associated with bypassing safety critical equipment
  3. 7. When a controller's logic output state has been "disabled" into a set state and will not change due to process conditions
  4. 8. Process Hazard Analysis
  5. 9. A system that implements multiple SIFs
  6. 10. Number of days an inhibit or override may be used.
Down
  1. 1. A safety function that is implemented by an SIS
  2. 3. Any form of modification of software or hardware that negates the ability of a function to work properly
  3. 5. Any software of mechanical device that blocks or prevents any protective sensor
  4. 6. Layer of protection analysis