P+F KFD2-SCD2-Ex2.LK SMART Current Driver

< 2-channel isolated barrier

< 24 V DC supply (Power Rail)

< Current output up to 650 Ω load

< HART-IP and valve positioner

< Line fault detection (LFD)

< Accuracy 0.1 %

Datasheet excerpt: Technical data of  KFD2-SCD2-Ex2.LK

General specifications
Signal type		Analog output
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 2
Systematic capability (SC)		SC 3
Supply
Connection		Power Rail or terminals 14+, 15-
Rated voltage		19 ... 30 V DC
Ripple		≤ 10 %
Rated current		≤ 45 mA at 24 V
Power dissipation		≤ 1 W at 20 mA and 500 Ω load
Power consumption		≤ 1 W
Input
Connection side		control side
Connection		terminals 7-, 8+, (9+); 10-, 11+, (12+)
Input signal		4 ... 20 mA , limited to approx. 30 mA
Input voltage		open loop voltage of the control system ≤ 30 V
Voltage drop		approx. 6 V at 20 mA
Input resistance		field wiring open circuit : > 100 kΩ field wiring < 50 Ω : > 100 kΩ when using terminals 1, 2 and 4, 5
Output
Connection side		field side
Connection		terminals 1+, 2-; 4+, 5- terminals 3+, 2-; 6+, 5- (no short circuit detection)
Voltage		≥ 13 V at 20 mA
Current		4 ... 20 mA
Load		100 ... 650 Ω , for terminals 1, 2; 4, 5 0 ... 550 Ω , for Terminals 2, 3; 5, 6
Ripple		20 mV rms
Line fault detection		breakage, load > 100 kΩ, short-circuit, load < 50 Ω
Fault indication output
Output type		open collector transistor (internal fault bus)
Transfer characteristics
Deviation		at 20 °C (68 °F), 4 ... 20 mA < 0.1 % of full scale, incl. non-linearity and hysteresis
	Influence of ambient temperature	< 2 µA/K (-20 ... 70 °C (-4 ... 158 °F)); < 4 µA/K (-40 ... -20 °C (-40 ... -4 °F))
Frequency range		field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)
Rise time		10 to 90 % ≤ 10 ms
Galvanic isolation
Input/Output		basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply		basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/input		functional insulation, rated insulation voltage 50 V AC
Indicators/settings
Display elements		LEDs
Labeling		space for adhesive label at the front
Directive conformity
Electromagnetic compatibility
	Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibility		NE 21:2017 EN 61326-3-2:2018
Degree of protection		IEC 60529
Protection against electrical shock		UL 61010-1:2012
Ambient conditions
Ambient temperature		-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Degree of protection		IP20
Connection		screw terminals
Mass		approx. 135 g
Dimensions		20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
	Height	124 mm
	Width	20 mm
	Depth	115 mm
Mounting		on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificate		BAS 00 ATEX 7240 X
	Marking	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
	Output	Ex ia, Ex iaD
	Voltage	25.2 V
	Current	93 mA
	Power	585.3 mW
	Internal capacitance	1.05 nF
	Internal inductance	0
Supply
	Maximum safe voltage	250 V rms (Attention! The rated voltage can be lower.)
Input
	Maximum safe voltage	250 V rms (Attention! The rated voltage can be lower.)
Certificate		FIDI 22 ATEX 0002 X
	Marking	II 3G Ex ec IIC T4 Gc
Galvanic isolation
	Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
	Output/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
	Directive 2014/34/EU	EN IEC 60079-0:2018 , EN 60079-11:2012 , EN IEC 60079-7:2015+A1:2018
International approvals
UL approval		E106378
	Control drawing	116-0345 (cULus)
IECEx approval
	IECEx certificate	IECEx BAS 04.0014X
	IECEx marking	[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec IIC T4 Gc
General information
Supplementary information		Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.