SMART capable up to 7.5 kHz (-3 dB) 3- 1+ 6- 4+ EMC acc. to NAMUR NE 21 Up to SIL2 acc. to IEC 61508 Input 0/4 mA ... 20 mA Output 0/4 mA ... 20 mA KFD2-STC4-Ex2 Function green SMART transmitter power supplies provide 2-wire SMART transmitters and 250 250 transfer t...