Signal Converter KFD2-UT2-1 Pepperl+Fuchs 248759
Signal Converter KFD2-UT2-1 Pepperl+Fuchs 248759

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Pepperl+Fuchs KFD2-UT2-1 248759

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

KFD2-UT2-1

Part number

248759

Type

Signal Converter

Description

  • 1-channel signal conditioner
  • 24 V DC supply (Power Rail)
  • Thermocouple, RTD, potentiometer or voltage input
  • Current output 0/4 mA ... 20 mA
  • Sink or source mode
  • Configurable by PACTware
  • Line fault (LFD) and sensor burnout detection
  • Up to SIL 2 acc. to IEC 61508/IEC 61511

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Specifications KFD2-UT2-1 248759

This signal conditioner provides the galvanic isolation between field circuits and control circuits. The device converts the signal of a resistance thermometer, thermocouple, or potentiometer to a proportional output current. The device can also be configured as a signal splitter. The removable terminal block K-CJC-** is available as an accessory for internal cold junction compensation of thermocouples. A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output. The device is easily configured by the use of the PACTware configuration software. For additional information, refer to the manual and www.pepperl-fuchs.com.

Features KFD2-UT2-1 248759

General specifications
Signal typeAnalog input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
Connectionterminals 14+, 15- or power feed module/Power Rail
Rated voltage20 ... 30 V DC
Ripplewithin the supply tolerance
Power dissipation/power consumption&le, 0.98 W / 0.98 W
Interface
Programming interfaceprogramming socket
Input
Connection sidefield side
Connectionterminals 1, 2, 3, 4
RTDtype Pt10, Pt50, Pt100, Pt500, Pt1000 (EN 60751: 1995) type Pt10GOST, Pt50GOST, Pt100GOST, Pt500GOST, Pt1000GOST (6651-94) type Cu10, Cu50, Cu100 (P50353-92) type Ni100 (DIN 43760)
Measuring currentapprox. 200 µ,A with RTD
Types of measuring2-, 3-, 4-wire connection
Lead resistancemax. 50 &Omega, per line
Measurement loop monitoringsensor breakage, sensor short-circuit
Thermocouplestype B, E, J, K, N, R, S, T (IEC 584-1: 1995) type L (DIN 43710: 1985) type TXK, TXKH, TXA (P8.585-2001)
Cold junction compensationexternal and internal
Measurement loop monitoringsensor breakage
Potentiometer0 ... 20 k&Omega, (2-wire connection), 0.8 ... 20 k&Omega, (3-wire connection)
Voltageselectable within the range -100 ... 100 mV
Input resistance&ge, 1 M&Omega, (-100 ... 100 mV)
Output
Connection sidecontrol side
Connectionoutput I: terminal 7: source (-), sink (+), terminal 8: source (+), terminal 9: sink(-)
OutputAnalog current output
Current range0 ... 20 mA or 4 ... 20 mA
Fault signaldownscale 0 or 2 mA, upscale 21.5 mA (acc. NAMUR NE43)
Sourceload 0 ... 550 &Omega, open-circuit voltage &le, 18 V
SinkVoltage across terminals 5 ... 30 V. If the current is supplied from a source > 16.5 V, series resistance of &ge, (V - 16.5)/0.0215 &Omega, is needed, where V is the source voltage. The maximum value of the resistance is (V - 5)/0.0215 &Omega,.
Transfer characteristics
Deviation
After calibrationPt100: ± (0.06 % of measurement value in K + 0.1 % of span + 0.1 K (4-wire connection)) thermocouple: ± (0.05 % of measurement value in °C + 0.1 % of span + 1 K (1.2 K for types R and S)) this includes ± 0.8 K error of the cold junction compensation mV: ± (50 µ,V + 0.1 % of span) potentiometer: ± (0.05 % of full scale + 0.1 % of span, (excludes errors due to lead resistance))
Influence of ambient temperaturedeviation of CJC included: Pt100: ± (0.0015 % of measurement value in K + 0.006 % of span)/K &Delta,Tamb*) thermocouple: ± (0.02 K + 0.005 % of measurement value in °C + 0.006 % of span)/K &Delta,Tamb*) mV: ± (0.01 % of measurement value + 0.006 % of span)/K &Delta,Tamb*) potentiometer: ± 0.006 % of span/K &Delta,Tamb*) *) &Delta,Tamb = ambient temperature change referenced to 23 °C (296 K)
Influence of supply voltage< 0.01 % of span
Influence of load&le, 0.001 % of output value per 100 &Omega,
Reaction timeworst case value (sensor breakage and/or sensor short circuit detection enabled) mV: 1 s, thermocouples with CJC: 1.1 s, thermocouples with fixed reference temperature: 1.1 s, 3- or 4-wire RTD: 920 ms, 2-wire RTD: 800 ms, Potentiometer: 2.05 s
Galvanic isolation
Input/Other circuitsbasic insulation according to IEC 61010-1, rated insulation voltage 300 Veff
Output/supply, programming inputfunctional insulation, rated insulation voltage 50 V AC There is no electrical isolation between the programming input and the supply. The programming cable provides galvanic isolation so that ground loops are avoided.
Indicators/settings
Display elementsLEDs
Configurationvia PACTware
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
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. 130 g
Dimensions20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
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-GY(-UPR-03) - FDT framework PACTware 5.X - device type manager DTM Interface Technology - adapter K-ADP-USB