Pepperl+Fuchs KFD2-STC4-Ex1.2O
SMART Transmitter Power Supply

Pepperl+Fuchs KFD2-STC4-Ex1.2O
  • 1-channel isolated barrier

  • 24 V DC supply (Power Rail)

Item Number: KFD2-STC4-Ex1.2O
654.27
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Total price: 654.27
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  • Overview
  • Comments
  • 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

Display elements

LED

Note

Both output loads must be connected to ensure complete and correct operation within the technical specification.

Open circuit of one of the two outputs will not affect the connected output, but would result in a loss of transmitter supply voltage of up to 0.7 Volt.

Settling time

200 µs

Ripple

max. 50 µA rms

IECEx approval

IECEx BAS 04.0016X

IECEx CML 15.0055X

Equipment

terminals 5-, 6+

Rise time/fall time

20 µs

Ambient temperature

-20 ... 60 В°C (-4 ... 140 В°F)

Electromagnetic compatibility

NE 21:2011

Rated voltage

20 ... 35 V DC

Signal type

Analog input

Power dissipation

1.8 W

Connection

Power Rail or terminals 14+, 15-

Mass

approx. 200 g

Frequency range

field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB)

control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB)

Voltage drop

terminals 5, 6 : ≤ 2.4 V at 20 mA

Input signal

0/4 ... 20 mA

Degree of protection

IP20

Deviation

at 20 В°C (68 В°F), 0/4 ... 20 mA

≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage

Certificate

TГњV 99 ATEX 1499 X

Protection against electrical shock

UL 61010-1:2012

Ripple

within the supply tolerance

Connection

terminals 1+, 2-, 3 or 5-, 6+

Open circuit voltage/short-circuit current

terminals 1+, 3-: 22.7 V / 38 mA

Dimensions

20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2

Output/Output

functional insulation, rated insulation voltage 50 V AC

Power consumption

2.4 W

Equipment

terminals 1+, 3-

Output/power supply

functional insulation, rated insulation voltage 50 V AC

Supplementary information

Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

EU-type examination certificate

BAS 99 ATEX 7060 X

Connection

terminals 7-, 8+,9; 10-, 11+,12

Connection

screw terminals

Output signal

0/4 ... 20 mA (overload > 25 mA)

Connection side

field side

Mounting

on 35 mm DIN mounting rail acc. to EN 60715:2001

Degree of protection

IEC 60529:2001

Safety Integrity Level (SIL)

SIL 3

Load

0 ... 550 Ω at 20 mA

Equipment

terminals 1+, 2 / 3-

Connection side

control side

Equipment

terminals 2-, 3

Labeling

space for labeling at the front

Available voltage

terminals 1+, 3: ≥ 16 V at 20 mA

Input resistance

terminals 2-, 3: max. 76 Ω

terminals 1+, 3: max. 500 Ω (250 Ω load)

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