Current Driver KFD2-SCD-Ex1.LK Pepperl+Fuchs 223998
Current Driver KFD2-SCD-Ex1.LK Pepperl+Fuchs 223998

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KFD2-SCD-Ex1.LK 223998 Pepperl+Fuchs Current Driver

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

KFD2-SCD-Ex1.LK

Part number

223998

Type

Current Driver

Description

SMART Current Driver KFD2-SCD-Ex1.LK

Stock availability:

On request

Price: On request

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Specifications KFD2-SCD-Ex1.LK 223998

This isolated barrier is used for intrinsic safety applications. It drives SMART I/P converters, electrical valves, and positioners in hazardous areas. Digital signals are superimposed on the analog values at the field or control side and are transferred bi-directionally. Current transferred across the DC/DC converter is repeated at terminals 1 and 2. An open field circuit presents a high input impedance to the control side to allow lead breakage monitoring by control system. If the loop resistance for the digital communication is too low, an internal resistor of 250 Ω between terminals 8 and 9 is available, which may be used as the HART communication resistor. Sockets for the connection of a HART communicator are integrated into the terminals of the device.

Features KFD2-SCD-Ex1.LK 223998

General specifications
Signal typeAnalog output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
ConnectionPower Rail or terminals 11+, 12-
Rated voltage20 ... 35 V DC
Ripplewithin the supply tolerance
Power dissipation1.1 W at 20 mA into 10 V (equivalent to 500 &Omega,) load
Power consumption1.3 W
Input
Connection sidecontrol side
Connectionterminals 7-, 8+
Voltage dropapprox. 4 V or internal resistance 200 &Omega, at 20 mA
Input resistance> 100 k&Omega,, when wiring resistance in the field 800 &Omega, at 20 mA
Current4 ... 20 mA limited to approx. 25 mA
Output
Connection sidefield side
Connectionterminals 1+, 2-
Current4 ... 20 mA
Load100 ... 700 &Omega,
Voltage&ge, 14 V at 20 mA
Transfer characteristics
Accuracy0.1 %
Deviation
After calibrationat 20 °C (68 °F): &le, ± 0.1 % incl. non-linearity and hysteresis
Influence of ambient temperature&le, ± 20 ppm/K
Rise time< 100 µ,s at bounce from 10 ... 90 %
Galvanic isolation
Input/power supplybasic insulation acc. to EN 50178, rated insulation voltage of 50 V AC
Indicators/settings
Display elementsLEDs
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Insulation coordinationEN 50178:1997
Galvanic isolationEN 50178:1997
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 100 g
Dimensions20 x 115 x 115 mm (0.8 x 4.5 x 4.5 inch) , housing type B1
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificateBAS 00 ATEX 7215
Marking II (1)G [Ex ia Ga] IIC , II (1)D [Ex ia Da] IIIC , I (M1) [Ex ia Ma] I
OutputEx ia IIC, Ex iaD
Voltage25.2 V
Current93 mA
Power0.58 W
Supply
Maximum safe voltage250 V rms (Attention! The rated voltage can be lower.)
CertificateTÜV 99 ATEX 1499 X
Marking II 3G Ex nA II T4 [device in zone 2]
Galvanic isolation
Input/Outputsafe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Output/power supplysafe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing116-0129
UL approval
Control drawing116-0173 (cULus)
IECEx approvalIECEx BAS 16.0045
Approved for[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Optional accessories- power feed module KFD2-EB2(.R4A.B)(.SP) - universal power rail UPR-03(-M)(-S) - profile rail K-DUCT-BU(-UPR-03)