Fanless PC-based controllers make it possible for traditional factories to transform into an all IP-based factory with minimal cost and engineering effort, hence helping manufacturers realize the vision of smart, green and urban production.
This paper explores the possibilities available to SIS designers of overpressure protection systems when using a logic solver. It includes examples of system topographies and their associated Safety Integrity Level (SIL) calculations.
When control loop stability is essential, the method described in Dataforth’s Tuning Control Loops with the IMC Tuning Method is an excellent alternative to tuning rules that sacrifice stability for speed.
This paper explores potential choices to a safety instrumented system (SIS) designer of a tank overfill protection system for the logic solver as well as provide a step-by-step procedure to define and evaluate an SIS.