Pepperl+Fuchs Expands PFD/PFH Calculation Tool in Accordance with VDI/VDE 2180 Part 3 Update
Adapted to edition 2 of EN 61511, a fundamentally reworked version of VDI/VDE 2180 has been released recently. Part 3 provides new formulas for PFD calculation, which take into account a three-step test concept according to NAMUR worksheet NA 106 with incomplete tests and are suited for diverse structures.

