Pepperl+Fuchs KFD2-STC5-1 239209

Manufacturer

Pepperl+Fuchs

Name

KFD2-STC5-1

Part number

239209

Country

Germany

Type

Transmitter Power Supply

Weight (g)

137

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This signal conditioner provides the galvanic isolation between field circuits and control circuits. 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 as an isolated current value. Digital signals may be superimposed on the input signal on the field side or on the control side and are transferred bi-directionally. The device provides a sink mode or a source mode output on the control side 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.

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General specifications
Signal type	Analog input
Functional safety related parameters
Safety Integrity Level (SIL)	SIL 2
Supply
Connection	Power Rail or terminals 14+, 15-
Rated voltage	18 ... 30 V DC
Ripple	within the supply tolerance
Power dissipation	&le, 1 W at maximum load
Power consumption	&le, 1.6 W at maximum load
Input
Connection side	field side
Connection	terminals 1+, 2-, 3
Input signal	0/4 ... 20 mA
Input resistance	max. 265 &Omega, terminals 2-, 3 , max. 330 &Omega, terminals 1+, 3
Available voltage	&ge, 16 V at 20 mA terminals 1+, 3
Output
Connection side	control side
Connection	terminals 7+, 8-, 9- (sink) terminals 7-, 8+, 9+ (source) see additional information
Load	0 ... 800 &Omega,
Output signal	0/4 ... 20 mA (overload > 25 mA)
Ripple	max. 50 µ,A eff
External supply (loop)	2 ... 30 V DC
Transfer characteristics
Deviation	at 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 range	input to output: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) output to input: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB)
Settling time	200 µ,s
Rise time/fall time	100 µ,s
Galvanic isolation
Input/Output	basic insulation according to IEC 61010-1, rated insulation voltage 300 Veff
Input/power supply	basic insulation according to IEC 61010-1, rated insulation voltage 300 Veff
Output/power supply	functional insulation, rated insulation voltage 50 V AC
Indicators/settings
Display elements	LED
Labeling	space for labeling at the front
Directive conformity
Electromagnetic compatibility
	Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibility	NE 21:2012 EN 61326-3-2:2008
Degree of protection	IEC 60529:2001
Protection against electrical shock	UL 61010-1:2012
Ambient conditions
Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection	IP20
Connection	screw terminals
Mass	approx. 200 g
Dimensions	20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary information	Observe 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)