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KFD0-SCS-Ex1.55 SMART Current Driver/Repeater

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 24 V DC supply (loop powered)
  • Current input/output 4 mA ... 20 mA
  • HART-IP or transmitter power supply
  • Low voltage drop
  • Line fault detection (LFD)
  • Up to SIL 2 acc. to IEC/EN 61508

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Product Compliance: Europe – CE
Functional Safety: Safety Integrity Level - 2
Approval
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 KFD0-SCS-Ex1.55

Signal typeAnalog input/analog output
Safety Integrity Level (SIL)SIL 2
Rated voltageUr< 30 V DC , loop powered
Power dissipation0.2 W
Connectionterminals 8-, 9+
Voltagemax. 30 V DC
Current4 ... 20 mA (quiescent current < 0.5 mA)
Power dissipation150 mW at 20 mA and Uin < 24 V
Connectionterminals 1+, 2 / 3-
Voltage≥ 16 V for supply voltage > 21 V
Current4 ... 20 mA (linear transmission 1 ... 22 mA)
Load≤ 800 Ω (at 20 mA)
Voltage dropsee note
Deviation
After calibration≤ ± 80 µA linearity, load and voltage dependence at 20 °C (68 °F)
Influence of ambient temperature< 0.5 µA/K
Dampingapprox. 3 dB
Rise time≤ 20 µs at 0 Ω, ≤ 600 µs with 800 Ω load
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Labelingspace for labeling at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Electromagnetic compatibilityNE 21:2007
Degree of protectionIEC 60529:2001
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 120 g
Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
Height112 mm
Width20 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificatePTB 02 ATEX 2064
MarkingEx-Hexagon II (2)G [Ex ib Gb] IIC
VoltageUo23.1 V DC
CurrentIo28 mA
PowerPo0.647 W
Supply
Maximum safe voltageUm253 V (Attention! The rated voltage can be lower.)
CertificatePF 11 CERT 0902 X
MarkingEx-Hexagon II 3G Ex nA IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.