Products

PEPPERL + FUCHS SMART Current Driver KFD2-SCD-Ex1.LK

1-channel isolated barrier

24 V DC supply (Power Rail)

Current output up to 700 Ω load

HART I/P and valve positioner

Line fault detection (LFD)

Accuracy 0.1 %

Terminal blocks with test sockets

Up to SIL 2 acc. to IEC 61508

Datasheet excerpt: Technical data of  KFD2-SCD-Ex1.LK

General specifications

Signal type Analog output

Functional safety related parameters

Safety Integrity Level (SIL) SIL 2

Supply

Connection Power Rail or terminals 11+, 12-

Rated voltage 20 ... 35 V DC

Ripple within the supply tolerance

Power dissipation 1.1 W at 20 mA into 10 V (equivalent to 500 Ω) load

Power consumption 1.3 W

Input

Connection side control side

Connection terminals 7-, 8+

Voltage drop approx. 4 V or internal resistance 200 Ω at 20 mA

Input resistance > 100 kΩ, when wiring resistance in the field < 50 Ω or > 800 Ω at 20 mA

Current 4 ... 20 mA limited to approx. 25 mA

Output

Connection side field side

Connection terminals 1+, 2-

Current 4 ... 20 mA

Load 100 ... 700 Ω

Voltage ≥ 14 V at 20 mA

Transfer characteristics

Accuracy 0.1 %

Deviation

After calibration at 20 °C (68 °F): ≤ ± 0.1 % incl. non-linearity and hysteresis

Influence of ambient temperature ≤ ± 20 ppm/K

Rise time < 100 µs at bounce from 10 ... 90 %

Galvanic isolation

Input/power supply basic insulation acc. to EN 50178, rated insulation voltage of 50 V AC

Indicators/settings

Display elements LEDs

Labeling space for labeling at the front

Directive conformity

Electromagnetic compatibility

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

Conformity

Insulation coordination EN 50178:1997

Galvanic isolation EN 50178:1997

Electromagnetic compatibility NE 21:2006

Degree of protection IEC 60529:2001

Ambient conditions

Ambient temperature -20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection IP20

Connection screw terminals

Mass approx. 100 g

Dimensions 20 x 115 x 115 mm (0.8 x 4.5 x 4.5 inch) , housing type B1

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

Data for application in connection with hazardous areas

EU-type examination certificate BAS 00 ATEX 7215

Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC , Ex-Hexagon II (1)D [Ex ia Da] IIIC , Ex-Hexagon I (M1) [Ex ia Ma] I

Output Ex ia IIC, Ex iaD

Voltage 25.2 V

Current 93 mA

Power 0.58 W