SMART Transmitter Power Supply KFD2-STC4-Ex1

Description

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		20 ... 35 V DC
Ripple		within the supply tolerance
Power dissipation		1.4 W
Power consumption		1.8 W
Input
Connection side		field side
Connection		terminals 1+, 2-, 3 or 5-, 6+
Input signal		0/4 ... 20 mA
Voltage drop		≤ 2.4 V at 20 mA (terminals 5, 6)
Input resistance		≤ 64 Ω terminals 2-, 3 ; ≤ 500 Ω terminals 1+, 3 (250 Ω load)
Available voltage		≥ 16 V at 20 mA terminals 1+, 3
Output
Connection side		control side
Connection		terminals 7-, 8+, 9
Load		0 ... 800 Ω at 20 mA
Output signal		0/4 ... 20 mA (overload > 25 mA)
Ripple		max. 50 µA _rms
Transfer characteristics
Deviation		at 20 °C (68 °F), 0/4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
	Influence of ambient temperature	0.25 µA/K
Frequency range		field side into the control side: bandwidth with 0.5 V_pp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 V_pp signal 0.3 ... 7.5 kHz (-3 dB)
Settling time		200 µs
Rise time/fall time		20 µs
Galvanic isolation
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 21:2011
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) , (W x H x D) housing type B2
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 99 ATEX 7060 X
	Marking	II (1)G [Ex ia Ga] IIC , II (1)D [Ex ia Da] IIIC , I (M1) [Ex ia Ma] I
	Input	[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Supply
	Maximum safe voltage	250 V (Attention! The rated voltage can be lower.)
Equipment		terminals 1+, 3-
	Voltage U_o	25.4 V
	Current I_o	86.8 mA
	Power P_o	551 mW
	Internal capacitance C_i	12 nF
	Internal inductance L_i	0 mH
Equipment		terminals 2-, 3
	Current I_o/Current I_i	74 mA / 115 mA
	Current I_i	115 mA
	Voltage U_o	3.5 V
	Current I_o	74 mA
	Power P_o	64 mW
Equipment		terminals 1+, 2 / 3-
	Voltage U_i	30 V
	Current I_i	115 mA
	Voltage U_o	25.4 V
	Current I_o	115 mA
	Power P_o	584 mW
Equipment		terminals 5-, 6+
	Voltage U_i	30 V
	Current I_i	115 mA
	Voltage U_o	8.7 V
	Current I_o	0 mA
Output
	Maximum safe voltage	250 V (Attention! The rated voltage can be lower.)
Certificate		TÜV 99 ATEX 1499 X
	Marking	II 3G Ex nA II T4 [device in zone 2]
Galvanic isolation
	Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
	Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
	Directive 2014/34/EU	EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
UL approval
	Control drawing	116-0428 (cULus)
IECEx approval
	IECEx certificate	IECEx BAS 04.0016X IECEx CML 15.0055X
	IECEx marking	[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex nA 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.

Classifications

System	Classcode
ECLASS 11.0	27210119
ECLASS 10.0.1	27210119
ECLASS 9.0	27210119
ECLASS 8.0	27210119
ECLASS 5.1	27210119
ETIM 8.0	EC001485
ETIM 7.0	EC001485
ETIM 6.0	EC001485
ETIM 5.0	EC001485
UNSPSC 12.1	32101514