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KCD2-UT2-Ex1 Universal Temperature Converter

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 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/EN 61508 / IEC/EN 61511

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Approval
Functional Safety: Safety Integrity Level - 2
Product Compliance: Europe – CE
Approval
Product Compliance: USA - cULus
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 KCD2-UT2-Ex1

Signal typeAnalog input
Safety Integrity Level (SIL)SIL 2
Connectionterminals 9+, 10- or power feed module/Power Rail
Rated voltageUr19 ... 30 V DC
Ripplewithin the supply tolerance
Power dissipation≤ 0.98 W
Power consumptionmax. 0.98 W
Programming interfaceprogramming socket
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 µA with RTD
Types of measuring2-, 3-, 4-wire connection
Lead resistancemax. 50 Ω 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 kΩ (2-wire connection), 0.8 ... 20 kΩ (3-wire connection)
Voltageselectable within the range -100 ... 100 mV
Input resistance≥ 1 MΩ (-100 ... 100 mV)
Connection sidecontrol side
Connectionterminal 5: source (-), terminal 6: source (+), terminal 7: sink(-), terminal 8: 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 Ω
open-circuit voltage ≤ 18 V
SinkVoltage across terminals 5 ... 30 V. If the current is supplied from a source > 16.5 V,
series resistance of ≥ (V - 16.5)/0.0215 Ω is needed, where V is the source voltage.
The maximum value of the resistance is (V - 5)/0.0215 Ω.
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 + 1.5 K (1.7 K for types R and S)) , includes ± 1.3 K fault of the cold junction compensation (CJC)
mV: ± (50 µV + 0.1 % of span)
potentiometer: ± (0.05 % of full scale + 0.1 % of span, (excludes faults due to lead resistance))
Influence of ambient temperaturePt100: ± (0.0015 % of measurement value in K + 0.006 % of span)/K ΔTamb*)
thermocouple: ± (0.02 K + 0.005 % of measurement value in °C + 0.006 % of span)/K ΔTamb*)), influence of cold junction compensation (CJC) included
mV: ± (0.01 % of measurement value + 0.006 % of span)/K ΔTamb*)
potentiometer: ± 0.006 % of span/K ΔTamb*)
*) ΔTamb = ambient temperature change referenced to 23 °C (296 K)
Influence of supply voltage< 0.01 % of span
Influence of load≤ 0.001 % of output value per 100 Ω
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
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.
Display elementsLEDs
Configurationvia PACTware
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 61010-1:2004
Ambient temperature-20 ... 70 °C (-4 ... 158 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 100 g
Dimensions12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 inch) (W x H x D) , housing type A2
Height119 mm
Width12.5 mm
Depth114 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateBASEEFA 13 ATEX 0102 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
Input[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Inputsterminals 1, 2, 3, 4
Voltage Uo9 V
Current Io13.1 mA
Power Po30 mW
Analog outputs, power supply, collective error
Maximum safe voltageUm250 V (Attention! This is not the rated voltage.)
Interface
Maximum safe voltageUm250 V (Attention! The rated voltage is lower.), RS 232
CertificateBASEEFA 13 ATEX 0103 X
MarkingEx-Hexagon II 3G Ex nA IIC T4 Gc
Galvanic isolation
Input/Other circuitssafe 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
UL approval
Control drawing116-0379 (cULus)
IECEx approval
IECEx certificateIECEx BAS 13.0057X
IECEx marking[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.