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DeltaV SIS Smart Logic Solver Hardware (SLS)
The DeltaV Smart Logic Solver (SLS), part of Emerson’s smart SIS, ushers in the next generation of Safety Instrumented Systems (SIS).
This smart SIS approach, uses the power of predictive field intelligence to increase the availability of the entire safety instrumented function. The SLS provides modular, distributed and scalable safety solutions.


  • The World’s first smart SIS
  • Integrated yet separate from the control system
  • Easy Compliance with IEC 61511
  • Scales to fit any size application
  • SIL 3-rated
  • Online addition of Logic Solvers


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