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HomeProducts P+F P+F SMART Transmitter Power Supply KFD2-STC5-Ex2
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P+F SMART Transmitter Power Supply KFD2-STC5-Ex2

item No : KFD2-STC5-Ex2
  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
  • Output 0/4 mA ... 20 mA current sink/current source
  • Terminals with test points
  • SIL 2 (SC 3) acc. to IEC/EN 61508
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Detailed Description

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Technical Parameter :KFD2-STC5-Ex2
General specifications
Signal type Analog input
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 18 ... 30 V DC
Ripple within the supply tolerance
Power dissipation ≤ 1.4 W at maximum load
Power consumption ≤ 2.6 W at maximum load
Input
Connection side field side
Connection terminals 1+, 2-, 3; 4+, 5-, 6
Input signal 0/4 ... 20 mA
Open circuit voltage/short-circuit current terminals 1+, 3; 4+, 6: 23 V / 25 mA
Input resistance max. 265 Ω terminals 2-, 3; 5-, 6 , max. 330 Ω terminals 1+, 3; 4+, 6
Available voltage ≥ 16 V at 20 mA ; ≥ 20 V at 4 mA , terminals 1+, 3; 4+, 6
Output
Connection side control side
Connection terminals 7+, 8-, 9-; 10+, 11-, 12- (sink)
terminals 7-, 8+, 9+; 10-, 11+, 12+ (source)
see additional information
Load 0 ... 600 Ω
Output signal 0/4 ... 20 mA (overload > 25 mA)
Ripple max. 50 µA rms
External supply (loop) 2 ... 30 V DC
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: band width with 1 Vpp signal 0 ... 7.5 kHz (-3 dB)
safe area to hazardous area: band width with 1 VSS signal 0.3 ... 7.5 kHz (-3 dB)
Settling time 200 µs
Rise time/fall time 100 µs
Galvanic isolation
Output/power supply functional insulation, rated insulation voltage 50 V AC
Output/Output 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)
extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions
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 CML 17 ATEX 2031X
Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon 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-; 4+, 6-
Voltage Uo 26.2 V
Voltage Uq 27.25 V
Current Io 93 mA
Power Po 634 mW
Equipment terminals 2-, 3+; 5-, 6+
Voltage Ui 30 V
Current Ii 115 mA
Power Pi max 1 W
Voltage Uo 2 V
Current Io 8.5 mA
Power Po 4.3 mW
Equipment terminals 1+, 2/3-; 4+, 5/6-
Voltage Uo 26.2 V
Voltage Uq 27.25 V
Current Io 115 mA
Power Po 784 mW
Certificate CML 17 ATEX 3030X
Marking Ex-Hexagon II 3G Ex ec IIC T4 Gc
Galvanic isolation
Input/Output safe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
Input/power supply safe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
Directive conformity
Directive 2014/34/EU EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012
International approvals
UL approval E106378
Control drawing 116-0439 (cULus)
IECEx approval
IECEx certificate IECEx CML 17.0016X
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.

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
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