Transmitter Power Supply KFD2-STC5-EX1.2O Pepperl+Fuchs 239214
Transmitter Power Supply KFD2-STC5-EX1.2O Pepperl+Fuchs 239214

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Pepperl+Fuchs KFD2-STC5-EX1.2O 239214

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

KFD2-STC5-EX1.2O

Part number

239214

Type

Transmitter Power Supply

Description

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
  • Signal splitter (1 input and 2 outputs)
  • Dual output 0/4 mA ... 20 mA, current sink/current source
  • Terminals with test points
  • Up to SIL 3 acc. to IEC 61508

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Specifications KFD2-STC5-EX1.2O 239214

This isolated barrier is used for intrinsic safety applications. The device supplies 2-wire and 3-wire SMART transmitters, and can also be used with 2-wire SMART current sources. It transfers the analog input signal to the safe area as two isolated output signals. Digital signals may be superimposed on the input signal in the hazardous or non-hazardous area and are transferred bi-directionally. The device provides a sink mode or a source mode output on the safe area terminals. The device has an internal resistor. Use this resistor if the HART communication resistance in the control circuit is too low. Test sockets for the connection of HART communicators are integrated into the terminals of the device.

Features KFD2-STC5-EX1.2O 239214

General specifications
Signal typeAnalog input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Supply
ConnectionPower Rail or terminals 14+, 15-
Rated voltage18 ... 30 V DC
Ripplewithin the supply tolerance
Power dissipation&le, 1 W at maximum load
Power consumption&le, 1.7 W at maximum load
Input
Connection sidefield side
Connectionterminals 1+, 2-, 3
Input signal0/4 ... 20 mA
Input resistancemax. 265 &Omega, terminals 2-, 3 , max. 330 &Omega, terminals 1+, 3
Available voltage&ge, 16 V at 20 mA , terminals 1+, 3
Output
Connection sidecontrol side
Connectionterminals 7+, 8-, 9-, 10+, 11-, 12- (sink) terminals 7-, 8+, 9+, 10-, 11+, 12+ (source) see additional information
Load0 ... 600 &Omega,
Output signal0/4 ... 20 mA (overload > 25 mA)
Ripplemax. 50 µ,A rms
External supply (loop)2 ... 30 V DC
Transfer characteristics
Deviationat 20 °C (68 °F), 0/4 ... 20 mA &le, 10 µ,A incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
Influence of ambient temperature&le, 0.25 µ,A/K
Frequency rangefield side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB)
Settling time200 µ,s
Rise time/fall time100 µ,s
Galvanic isolation
Output/power supplyfunctional insulation, rated insulation voltage 50 V AC
Output/Outputfunctional insulation, rated insulation voltage 50 V AC
Indicators/settings
Display elementsLED
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2012 EN 61326-3-2:2008
Degree of protectionIEC 60529:2001
Protection against electrical shockUL 61010-1:2012
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 200 g
Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-Type Examination CertificateCML 17 ATEX 2031X
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Input[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Supply
Maximum safe voltage250 V (Attention! The rated voltage can be lower.)
Equipmentterminals 1+, 3-
Voltage Uo26.2 V
Voltage Uq27.25 V
Current Io93 mA
Power Po634 mW
Equipmentterminals 2-, 3
Voltage Ui30 V
Current Ii115 mA
Power Pimax 1 W
Voltage Uo2 V
Current Io8.5 mA
Power Po4.3 mW
Equipmentterminals 1+, 2 / 3-
Voltage Uo26.2 V
Voltage Uq27.25 V
Current Io115 mA
Power Po784 mW
CertificateCML 17 ATEX 3030X
Marking II 3G Ex ec IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11:2012, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11:2012, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-7:2015
International approvals
UL approval
Control drawing116-0439 (cULus)
IECEx approvalIECEx CML 17.0016X
Approved for[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I , Ex ec IIC T4 Gc
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)