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KFD2-STC5-Ex2 SMART Transmitter Power Supply

Key Benefits at a Glance

  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
  • Output 4 mA ... 20 mA current sink/current source
  • Terminals with test points
  • Up to SIL 2 (SC 3) acc. to IEC/EN 61508

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Please contact us for exact delivery estimation.2510,00 PLN Net price—your individual price will be shown during checkout process.
Product photo: SMART Transmitter Power Supply KFD2-STC5-Ex2
Product photo: SMART Transmitter Power Supply KFD2-STC5-Ex2
Approval
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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DatasheetFunctionClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of KFD2-STC5-Ex2

Signal typeAnalog input
Safety Integrity Level (SIL)SIL 2
Systematic capability (SC)SC 3
ConnectionPower Rail or terminals 14+, 15-
Rated voltageUr18 ... 30 V DC
Ripplewithin the supply tolerance
Power dissipation≤ 1.4 W at maximum load
Power consumption≤ 2.6 W at maximum load
Connection sidefield side
Connectionterminals 1+, 2-, 3; 4+, 5-, 6
Input signal4 ... 20 mA
Open circuit voltage/short-circuit currentterminals 1+, 3; 4+, 6: 23 V / 25 mA
Input resistancemax. 265 Ω terminals 2-, 3; 5-, 6 , max. 330 Ω terminals 1+, 3; 4+, 6
Available voltage≥ 16 V at 20 mA ; ≥ 20 V at 4 mA , terminals 1+, 3; 4+, 6
Connection sidecontrol side
Connectionterminals 7+, 8-, 9-; 10+, 11-, 12- (sink)
terminals 7-, 8+, 9+; 10-, 11+, 12+ (source)
see additional information
Load0 ... 600 Ω
Output signal4 ... 20 mA (overload > 25 mA)
Ripplemax. 50 µA rms
External supply (loop)2 ... 30 V DC
If the external voltage is > 19 V, a load ≥ ((V - 19) / 0.02) Ω is required. V represents the value of the external voltage.
The internal 250 Ω resistor at terminals 9 and 12 can be used as a load.
Deviationat 20 °C (68 °F), 4 ... 20 mA
≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
Influence of ambient temperature≤ 0.25 µA/K
Frequency rangefield side into the control side: band width with 1 Vpp signal 0 ... 7.5 kHz (-3 dB)
safe area to hazardous area: band width with 1 VSS signal 0.3 ... 7.5 kHz (-3 dB)
Settling time200 µs
Rise time/fall time100 µs
Output/power supplyfunctional insulation, rated insulation voltage 50 V AC
Output/Outputfunctional insulation, rated insulation voltage 50 V AC
Display elementsLED
Labelingspace for labeling at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Electromagnetic compatibilityNE 21:2012
EN 61326-3-2:2008
Degree of protectionIEC 60529:2001
Protection against electrical shockUL 61010-1:2012
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 200 g
Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
Height124 mm
Width20 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateCML 17 ATEX 2031X
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
Input[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Supply
Maximum safe voltageUm250 V (Attention! The rated voltage can be lower.)
Equipmentterminals 1+, 3-; 4+, 6-
VoltageUo26.2 V
VoltageUq27.25 V
CurrentIo93 mA
PowerPo634 mW
Equipmentterminals 2-, 3+; 5-, 6+
VoltageUi30 V
CurrentIi115 mA
PowerPimax 1 W
VoltageUo2 V
CurrentIo8.5 mA
PowerPo4.3 mW
Equipmentterminals 1+, 2/3-; 4+, 5/6-
VoltageUo26.2 V
VoltageUq27.25 V
CurrentIo115 mA
PowerPo784 mW
CertificateCML 17 ATEX 3030X
MarkingEx-Hexagon II 3G Ex ec IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012
UL approvalE106378
Control drawing116-0439 (cULus)
IECEx approval
IECEx certificateIECEx CML 17.0016X
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.
General Notes

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