Pepperl+Fuchs KCD2-STC-Ex1 SMART Transmitter Power Supply, 1-channel isolated barrier, 24 V DC supply (Power Rail).

Technical Data

General specifications

Signal type Analog input

Functional safety related parameters

Safety Integrity Level (SIL) SIL 2

Systematic capability (SC) SC 3

Supply

Connection Power Rail or terminals 9+, 10-

Rated voltage Ur 19 ... 30 V DC

Ripple ≤ 10 %

Rated current Ir ≤ 45 mA at 24 V and 20 mA source mode output

Power dissipation ≤ 800 mW

Power consumption ≤ 1.1 W

Input

Connection side field side

Connection terminals 1+, 2-; 3+, 4-

Input signal 4 ... 20 mA limited to approx. 26 mA

Open circuit voltage/short-circuit current terminals 1+, 2-: 22 V / 26 mA

Voltage drop terminals 3+, 4- : approx. 5 V

Available voltage terminals 1+, 2-: ≥ 15 V at 20 mA ; ≥ 18 V at 4 mA

Output

Connection side control side

Connection terminals 5-, 6+

terminals 5-, 8+ for HART resistor

Load 0 ... 350 Ω (source mode)

Output signal source mode: 4 ... 20 mA or 1 ... 5 V (internal resistor: 250 Ω, 0.1 %)

sink mode: 4 ... 20 mA, operating voltage 10 ... 30 V

For additional internal or external loads (e. g. terminal +8) the voltage drop has to be

considered, e. g. 250 Ω x 20 mA = 5 V.

Ripple 20 mV rms

Transfer characteristics

Deviation at 20 °C (68 °F)

< 0.1 % of full scale, incl. non-linearity and hysteresis (source mode and sink mode 4... 20 mA)

≤ ± 0.2 % incl. non-linearity and hysteresis (source mode 1 ... 5 V)

Influence of ambient temperature < 2 µA/K (-20 ... 70 °C (-4 ... 158 °F)); < 4 µA/K (-40 ... -20 °C (-40 ... -4 °F)) (source

mode and sink mode 4 ... 20mA)

< 0.5 mV/K (-20 ... 70 °C (-4 ... 158 °F)); < 1 mV/K (-40 ... -20 °C (-40 ... -4 °F)) (sourcemode 1...5 V)

Frequency range field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)

control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)

Settling time ≤ 50 ms

Rise time/fall time ≤ 10 ms

Galvanic isolation

Input/Output basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output/power supply basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Indicators/settings

Display elements LED

Control elements DIP switch

Configuration via DIP switches

Labeling space for labeling at the front