Serviceline Industrial Sensors
Sales phone: 0161 622 6308
Tech phone: 0161 622 6311
Fax: 0161 624 6537
Serviceline Explosion Protection
Sales phone: 0161 622 6309
Tech phone: 0161 622 6313
Fax: 0161 624 6537

2. Performance Level / SISTEMA Library


The safety classification "PL" specifies the ability of safety-related parts of a safety device to perform a safety function under predictable conditions.

In order to meet the requirements of EN ISO 13849, mechanical and plant engineers are required to calculate the actual Performance Level (PL) of all safety functions and parts used in the plant. SISTEMA can help with this. 

SISTEMA is a software tool that calculates the parameters of all components used in an application or system. To help you comply with safety standards, Pepperl+Fuchs provides SISTEMA libraries for its standard products. Using the libraries makes it easier to compile the safety parameters and thus simplifies the calculation of the performance level.


Functional Safety Hub from Pepperl+Fuchs

Several hundred products with a SIL/PL assessment, free tools, and brochures in one place: the "Functional Safety Hub" is your starting point when you have to implement safety functions.