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KFD2-SCD2-Ex1.LK SMART Current Driver

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Current output up to 650 Ω load
  • HART-IP and valve positioner
  • Line fault detection (LFD)
  • Accuracy 0.1 %
  • Up to SIL 2 (SC 3) acc. to IEC/EN 61508

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Approval
HART® interface
Product Compliance: Europe – CE
Approval
Product Compliance: USA - cULus
Functional Safety: Safety Integrity Level - 2
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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Technical data of KFD2-SCD2-Ex1.LK

Signal typeAnalog output
Safety Integrity Level (SIL)SIL 2
Systematic capability (SC)SC 3
ConnectionPower Rail or terminals 14+, 15-
Rated voltageUr19 ... 30 V DC
Ripple≤ 10 %
Rated currentIr≤ 30 mA at 24 V
Power dissipation≤ 600 mW at 20 mA and 500 Ω load
Power consumption≤ 700 mW
Connection sidecontrol side
Connectionterminals 7-, 8+, (9+)
Input signal4 ... 20 mA , limited to approx. 30 mA
Input voltageopen loop voltage of the control system ≤ 30 V
Voltage dropapprox. 6 V at 20 mA
Input resistancefield wiring open circuit : > 100 kΩ
field wiring < 50 Ω : > 100 kΩ when using terminals 1 and 2
Connection sidefield side
Connectionterminals 1+, 2-
terminals 3+, 2- (no short circuit detection)
Voltage≥ 13 V at 20 mA
Current4 ... 20 mA
Load100 ... 650 Ω , for terminals 1, 2
0 ... 550 Ω , for terminals 2, 3
Ripple20 mV rms
Line fault detectionbreakage, load > 100 kΩ, short-circuit, load < 50 Ω
Output typeopen collector transistor (internal fault bus)
Deviationat 20 °C (68 °F), 4 ... 20 mA
< 0.1 % of full scale, incl. non-linearity and hysteresis
Influence of ambient temperature< 2 µA/K (-20 ... 70 °C (-4 ... 158 °F)); < 4 µA/K (-40 ... -20 °C (-40 ... -4 °F))
Frequency rangefield 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)
Rise time10 to 90 % ≤ 10 ms
Input/Outputbasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supplybasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Display elementsLEDs
Labelingspace for adhesive label at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Electromagnetic compatibilityNE 21:2017
EN 61326-3-2:2018
Degree of protectionIEC 60529
Protection against electrical shockUL 61010-1:2012
Ambient temperature-40 ... 70 °C (-40 ... 158 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 115 g
Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateBAS 00 ATEX 7240 X
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
OutputEx ia, Ex iaD
VoltageUo25.2 V
CurrentIo93 mA
PowerPo585.3 mW
Internal capacitanceCi1.05 nF
Internal inductanceLi 0
Supply
Maximum safe voltageUm250 V rms (Attention! The rated voltage can be lower.)
Input
Maximum safe voltageUm250 V rms (Attention! The rated voltage can be lower.)
CertificateFIDI 22 ATEX 0002 X
MarkingEx-Hexagon II 3G Ex ec IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018 , EN 60079-11:2012 , EN IEC 60079-7:2015+A1:2018
UL approvalE106378
Control drawing116-0345 (cULus)
IECEx approval
IECEx certificateIECEx BAS 04.0014X
IECEx marking[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
Ex ec IIC T4 Gc
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.