Pepperl+Fuchs KFD2-CRG2-1.D Transmitter Power Supply, 1-channel signal conditioner, 24 V DC supply (Power Rail).

Technical Data

General specifications

Signal type Analog input

Functional safety related parameters

Safety Integrity Level (SIL) SIL 2

Supply

Connection Power Rail or terminals 23+, 24-

Rated voltage Ur 20 ... 30 V DC

Rated current Ir approx. 130 mA

Power dissipation 2 W

Power consumption 2.5 W

Interface

Programming interface programming socket

Input

Connection side field side

Connection terminals 1, 2, 3

Input I

Input signal 0/4 ... 20 mA

Available voltage ≥ 15 V at 20 mA

Open circuit voltage/short-circuit current 24 V / 33 mA

Input resistance 45 Ω (terminals 2, 3)

Line fault detection breakage I < 0.2 mA; short-circuit I > 22 mA

Output

Connection side control side

Connection output I: terminals 10, 11, 12

output II: terminals 16, 17, 18

Output: analog terminals 8+, 7-

Output signal 0 ... 20 mA or 4 ... 20 mA

Output I, II signal, relay

Contact loading 250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A

Mechanical life 5 x 107 switching cycles

Output III Signal, analog

Current range 0 ... 20 mA or 4 ... 20 mA

Open loop voltage max. 24 V DC

Load max. 650 Ω

Fault signal downscale I ≤ 3.6 mA, upscale I ≥ 21.5 mA (acc. NAMUR NE43)

Energized/De-energized delay 0 ... 250 s , adjustable

Transfer characteristics

Input I

Accuracy < 30 µA

Influence of ambient temperature 0.003 %/K (30 ppm)

Output I, II

Response delay ≤ 200 ms at bounce from 0 ... 20 mA

Output III

Resolution ≤ 10 µA

Accuracy < 20 µA

Influence of ambient temperature 0.005 %/K (50 ppm)

Reaction time < 650 ms at bounce from 0 ... 20 mA at the input, 90 % of output full-scale value

Galvanic isolation

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

Output I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Mutual output I, II, III reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output III/power supply and collective error functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Interface/power supply and collective error functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Indicators/settings

Display elements LEDs , display

Control elements Control panel

Configuration via operating buttons

via PACTware

Labeling space for labeling at the front

Directive conformity

Electromagnetic compatibility

Directive 2014/30/EU EN 61326-1:2013 (industrial locations)

Low voltage

Directive 2014/35/EU EN 61010-1:2010

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