Pepperl+Fuchs barrier SMART Current Driver KFD2-SCD2-Ex1.LK • 1-channel isolated barrier, 24 V DC supply (Power Rail), Current output up to 650 Ω load, HART I/P and valve positioner, Line fault detection (LFD), Accuracy 0.1 %, SIL 2 (SC 3) acc. to IEC/EN 61508