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Pepperl+Fuchs KFD2-VR2-EX1.50M 181951

Repeater KFD2-VR2-EX1.50M Pepperl+Fuchs 181951
Manufacturer
Pepperl+Fuchs
Name
KFD2-VR2-EX1.50M
Part number
181951
Country
Germany
Type
Repeater
Weight (g)
144
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This isolated barrier is used for intrinsic safety applications. It transfers low voltage signals from load cells, strain gauges, operational amplifiers, and inductive oscillation sensors located in hazardous areas to safe areas. The input voltage of the terminals 4 and 5 is transferred to the terminals 7 and 8. The input, output, and power supply are galvanically isolated from each other. Upscale or downscale lead breakage monitoring is selectable via switches located on the front panel of the device. Note: This unit requires three minutes after power-up to reach the accuracy cited in the technical data.
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Specifications KFD2-VR2-EX1.50M 181951

Product Description
Transmission range 0 mV ... ± 50 mV
General specifications
Signal typeAnalog input
Supply
ConnectionPower Rail or terminals 14+, 15-
Rated voltage19 ... 30 V DC
Ripplewithin the supply tolerance
Rated current&le, 11 mA
Power dissipation/power consumption0.3 W max.
Input
Connection sidefield side
Connectionterminals 4+, 5-
Input resistancemin. 20 M&Omega,
Transmission range-50 ... 50 mV
Offset voltage/current&le, 5 µ,V / &le, 5 nA
Line fault detection100 nA
Output
Connection sidecontrol side
Connectionterminals 7+, 8-
LoadAccuracy figures for infinite load impedance. Additional 0.03 % of span for a load resistance of 10 k&Omega,
Voltage-50 ... 50 mV
Fault signalsensor breakage: > +100 mV (upscale), < -100 mV (downscale)
Output resistancemax. 3 &Omega,
Transfer characteristics
Cut-off frequency350 Hz (-3 dB)
Deviation
After calibrationat 20 °C (68 °F): ± 3 µ,V up to ± 10 mV/± 0.03 % of the span up to +50 mV/± 0.05 % of the span up to -50 mV
Influence of ambient temperature± 1 µ,V/K (typical ± 0.25 µ,V/K)
Absolute< 0.25 K at 30 V voltage supply
Rise time&le, 1 ms
Galvanic isolation
Output/power supplyfunctional insulation, rated insulation voltage 50 V AC
Indicators/settings
Display elementsLED
Control elementsDIP-switch
Configurationvia DIP switches
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529
Protection against electrical shockUL 61010-1
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 125 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 CertificateBASEEFA 06 ATEX 0040
Marking II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (-20 °C &le, Tamb &le, 60 °C) , [circuit(s) in zone 0/1/2]
Voltage5.5 V DC
Current2.4 mA
Power3.3 mW
Supply
Maximum safe voltage250 V (Attention! The rated voltage can be lower.)
CertificateBASEEFA 09 ATEX 0219X
Marking II 3G Ex ec IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe 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 60079-7:2015+A1:2018 , EN 60079-11:2012
International approvals
UL approval
Control drawing116-0334 (cULus)
IECEx approval
IECEx certificateIECEx BAS 06.0011 IECEx BAS 09.0103X
IECEx marking[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)