SIL Insights | Sumble

What is SIL?

SIL, often referring to Safety Integrity Level, is a measure of risk reduction provided by a safety function. It's used in the context of safety-related systems and industrial process safety to quantify the target level of safety performance. SIL levels range from 1 to 4, with SIL 4 representing the highest level of safety integrity. The higher the SIL, the lower the probability of dangerous failure and the greater the risk reduction. It's commonly used in industries such as oil and gas, nuclear power, and transportation to ensure the safe operation of critical systems.

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What other technologies are related to SIL?

SIL Competitor Technologies

HIL

Hardware-in-the-loop (HIL) simulation is a competing technology to SIL as they both validate embedded control systems but at different stages of development and with different levels of hardware integration. HIL integrates actual hardware components, while SIL uses software models of the plant.

mentioned alongside SIL in 36% (980) of relevant job posts

MIL

Model-in-the-loop (MIL) simulation is a competing technology to SIL, because they are both methods for testing embedded software. SIL is performed with the compiled code while MIL is done with the model before code generation.

mentioned alongside SIL in 38% (397) of relevant job posts

SIL Complementary Technologies

High Integrity Systems (HIPPS)

High Integrity Pressure Protection Systems (HIPPS) are related to safety instrumented systems, where SIL is a key concept for safety integrity level determination and validation of the system design and implementation.

mentioned alongside SIL in 100% (80) of relevant job posts

ESD F&G

Emergency Shutdown (ESD) and Fire & Gas (F&G) systems are applications where SIL is used extensively for safety validation.

mentioned alongside SIL in 94% (78) of relevant job posts

HAZOP

Hazard and Operability (HAZOP) studies are a technique used to identify hazards in a system, and SIL determination often uses the results of HAZOP studies.

mentioned alongside SIL in 12% (296) of relevant job posts