Functional safety related parameters SIL 2 and SC3

Redundant Power Feed Module KFD2-EB2.R4A.B  

KCD2-SR-Ex1.LB Pepperl+Fuchs Switch Amplifier
1-channel isolated barrier 24 V DC supply (Power Rail) Dry contact or NAMUR inputs Usable as signal splitter (1 input and 2 outputs) Relay contact output Fault relay contact output Line fault detection (LFD) Housing width 12.5 mm Up to SIL 2 (SC 3) acc.

KFD2-SR2-Ex2.W Switch Amplifier
2-channel isolated barrier 24 V DC supply (Power Rail) Dry contact or NAMUR inputs Relay contact output Line fault detection (LFD) Reversible mode of operation Up to SIL 2 (SC 3) acc. to IEC/EN 61508



Datasheet excerpt: Technical data of  KFD2-SR2-Ex2.

KFD2-SR2-Ex1.W Pepperl+Fuchs  Switch Amplifier 

< 1-channel isolated barrier
< 24 V DC supply (Power Rail)
< Dry contact or NAMUR inputs
< Relay contact output
< Line fault detection (LFD)
< Reversible mode of operation
< Up to SIL 2 (SC 3) acc.