KFD2-STC4-Ex1 Smart Transmitter Power Supply.

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
  • Signal splitter (1 input and 2 outputs)
  • Dual output 0/4 mA … 20 mA
  • Terminal blocks with test sockets
  • Up to SIL 3 acc. to IEC 61508
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 … 35 V DC
Ripple within the supply tolerance
Power dissipation 1.8 W
Power consumption 2.4 W
Connection side field side
Connection terminals 1+, 2-, 3 or 5-, 6+
Input signal 0/4 … 20 mA
Open circuit voltage/short-circuit current terminals 1+, 3-: 22.7 V / 38 mA
Voltage drop terminals 5, 6 : ≤ 2.4 V at 20 mA
Input resistance terminals 2-, 3: max. 76 Ω
terminals 1+, 3: max. 500 Ω (250 Ω load)
Available voltage terminals 1+, 3: ≥ 16 V at 20 mA