Pepperl+Fuchs KFD2-UT2 Series - 5 Abbreviations

SAFETY MANUAL SIL KFD2-UT2-(EX)*, HID2082
Abbreviations
2011-09
27
5 Abbreviations
FMEDA Failure Mode, Effects and Diagnostics Analysis
HFT Hardware Fault Tolerance
PFD
avg
Average Probability of Failure on Demand
PFH Probability of dangerous Failure per Hour
PTC Proof Test Coverage
SFF Safe Failure Fraction
SIF Safety Instrumented Function
SIL Safety Integrity Level
SIS Safety Instrumented System
T
proof
Proof Test Interval
DUT Device under Test
DMM Digital Multimeter