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Pepperl+Fuchs KFD0-TT-Ex1 043692

Signal Converter KFD0-TT-Ex1 Pepperl+Fuchs 043692
Manufacturer
Pepperl+Fuchs
Name
KFD0-TT-Ex1
Part number
043692
Country
Germany
Type
Signal Converter
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This isolated barrier is used for intrinsic safety applications. It is a loop-powered isolator that converts thermocouple inputs in the hazardous area to a 4 mA ... 20mA signal in the safe area. The internal cold junction compensation can be bypassed by using terminals 1 and 3. The output current is linear to input voltage, not proportional to temperature. Zero, span, and burnout detection are field-configurable.
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Specifications KFD0-TT-Ex1 043692

General specifications
Signal typeAnalog input
Supply
Rated voltage12 ... 35 V DC loop powered
Power dissipation0.4 W
Input
Connection sidefield side
Connectionterminals 1+, 2-, 3- thermocouple E, J, K, N, R, S or T, cold junction referenced to 0 °C (32 °F)
Lead resistancemax. 100 &Omega, per line
Currentlead monitoring ON: &le, 15 nA, OFF: &le, 1 nA
Output
Connection sidecontrol side
Connectionterminals 9+, 8-
Load(U -12 V) / 0.02 A
Current output4 ... 20 mA , limited to &le, 35 mA
Fault signaldownscaling &le, 3 mA , upscaling &ge, 22 mA
Transfer characteristics
Measurement rangespan 4 ... 100 mV, zero point -12 ... 60 mV , both adjustable
Deviation
After calibration0.1 % of full-scale value ± 1 K for the cold junction
Temperature effect temperature deviation 0.015 % of the span/K or 1.5 µ,V/K cold junction ± 2 K (calibrated at Tamb = 20 °C (68 °F))
Influence of supply voltage6.5 ppm/V
Characteristic curvethe output voltage is linearly proportionate to the input voltage (not to temperature)
Rise time250 ms
Galvanic isolation
Input/Outputsafe isolation according to EN 50178, rated insulation voltage 253 Veff
Indicators/settings
Control elementsDIP-switch rotary switch
Configurationvia DIP switches via rotary switch
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Insulation coordinationEN 50178
Galvanic isolationEN 50178
Degree of protectionIEC 60529
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 150 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
Data for application in connection with hazardous areas
EU-Type Examination CertificateZELM 00 ATEX 0035
Marking II (1)GD [EEx ia] IIC
Voltage16.1 V
Current0.8 mA
Power3.2 mW
Output
Maximum safe voltage60 V (Attention! The rated voltage can be lower.)
CertificateTÜV 01 ATEX 1777 X
Marking II 3G Ex nA II T4
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
CSA approval
Control drawing116-0132
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.