Relationship between the type of an ESPE and the SIL/PL
Distinction between type, SIL and PL The type, Safety Integrity Level (SIL) and Performance Level (PL) are classifications of safetyrelated components.
The IEC 61496 standard series for example sets out criteria for the design and testing of electro-sensitive protective equipment (ESPE).
Modern ESPE generally takes the form of optical sensors such as light barriers or laser scanners for the detection of human beings.
The individual standards are developed in the [...]

























