Product Summary

The KFD2-ST2-EX2 is a 1-Channel SMART transmitter power supplier. And it provides 2- or 3-wire SMART transmitters with power in hazardous areas and transfers the analog values from the hazardous area to the safe area.

Parametrics

KFD2-ST2-EX2 absolute maximum ratings: (1)POWER SUPPLY: Power Rail or terminals 14+, 15-; (2)Nominal voltage: 20-35 VDC; (3)Power consumption: 1.9 W; (4)Input signal: 0/4-20 mA; (5)Available voltage: ≥16 V at 20 mA terminals 1+, 3; (6)AMBIENT TEMPERATURE: -4°F to +140°F (-20°C to +60°C); (7)Rise time: 20 μs; (8)Temperature drift: ≤ 0.4 μA/°C.

Features

KFD2-ST2-EX2 features: (1)1-channel; (2)24 VDC supply/Power Rail compatible; (3)SMART-compatible up to 7.5 kHz (-3 dB); (4)Suitable for Division 2/Zone 2 mounting; (5)Galvanically isolated output; (6)Current source output 0/4-20 mA; (7)SIL 2 according to IEC 61508; SIL 3 in a redundant structure.

Diagrams

KFD2-ST2-EX2 block diagram