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Manufacturer: | Pepperl+Fuchs | Product No: | KFD2-STC5-EX1 |
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Product Type: | SMART Transmitter Power Supply | Signal Type: | Analog Input |
Input Signal: | 4 ... 20 MA | Rated Voltage: | 18 ... 30 V DC |
Weight: | 0.15 Kg | Shipping Weight: | 1.5 Kg |
High Light: | PEPPERL FUCHS SMART Transmitter Power Supply,KFD2-STC5-EX1,Analog input SMART Transmitter Power Supply |
Manufacturer : Pepperl+Fuchs
Product No. : KFD2-STC5-EX1
Product type : SMART Transmitter Power Supply
Signal type : Analog input
Safety Integrity Level (SIL) : SIL 2
Supply Connection : Power Rail or terminals 14+, 15-
Rated voltage Ur : 18 ... 30 V DC
Power dissipation : = 1 W at maximum load
Power consumption : = 1.6 W at maximum load
Input Connection : field side, terminals 1+, 2-, 3
Input signal : 0/4 ... 20 mA
Weight : 0.15 Kg
Shipping weight : 1.5 Kg
This isolated barrier is used for intrinsic safety applications.
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 to the safe area as an isolated current value.
Digital signals may be superimposed on the input signal in the hazardous or non-hazardous area and are transferred bi-directionally.
General specifications | ||
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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 | ≤ 1 W at maximum load | |
Power consumption | ≤ 1.6 W at maximum load | |
Input | ||
Connection side | field side | |
Connection | terminals 1+, 2-, 3 | |
Input signal | 4 ... 20 mA | |
Open circuit voltage/short-circuit current | terminals 1+, 3: 23 V / 25 mA | |
Input resistance | max. 265 Ω terminals 2-, 3 , max. 330 Ω terminals 1+, 3 | |
Available voltage | ≥ 16 V at 20 mA ; ≥ 20 V at 4 mA , terminals 1+, 3 | |
Output | ||
Connection side | control side | |
Connection | terminals 7+, 8-, 9- (sink) terminals 7-, 8+, 9+ (source) see additional information |
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Load | 0 ... 800 Ω | |
Output signal | 4 ... 20 mA (overload > 25 mA) | |
Ripple | max. 50 µA rms | |
External supply (loop) | 2 ... 30 V DC If the external voltage is > 19 V, a load ≥ ((V - 19) / 0.02) Ω is required. V represents the value of the external voltage. The internal 250 Ω resistor at terminal 9 can be used as a load. |
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Transfer characteristics | ||
Deviation | at 20 °C (68 °F), 4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
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Influence of ambient temperature | ≤ 0.25 µA/K | |
Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB) |
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Settling time | 200 µs | |
Rise time/fall time | 100 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 21:2012 EN 61326-3-2:2008 |
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Degree of protection | IEC 60529:2001 | |
Protection against electrical shock | UL 61010-1:2012 | |
Ambient conditions | ||
Ambient temperature | -20 ... 70 °C (-4 ... 158 °F) | |
Mechanical specifications | ||
Degree of protection | IP20 | |
Connection | screw terminals | |
Mass | approx. 150 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 2029X | |
Marking | ![]() ![]() ![]() |
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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 | 26.2 V | |
Voltage | 27.25 V | |
Current | 93 mA | |
Power | 634 mW | |
Equipment | terminals 2-, 3 | |
Voltage | 30 V | |
Current | 115 mA | |
Power | max 1 W | |
Voltage | 2 V | |
Current | 8.5 mA | |
Power | 4.3 mW | |
Equipment | terminals 1+, 2 / 3- | |
Voltage | 26.2 V | |
Voltage | 27.25 V | |
Current | 115 mA | |
Power | 784 mW | |
Certificate | CML 17 ATEX 3028X | |
Marking | ![]() |
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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 , 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 17.0015X | |
IECEx marking | [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I , Ex ec IIC T4 Gc |
1-channel isolated barrier
24 V DC supply (Power Rail)
Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
Output 4 mA ... 20 mA current sink/current source
Terminals with test points
Up to SIL 2 acc. to IEC/EN 61508
Best possible prices and delivery time
Long time experience in the field
Well trained staff
Own warehouse facilities
Best relationships with branch office of manufacture
Flexible and individual service for you
Cheap and safe forwarder for shipments (air)
Q: Does your goods are new and original?
A: Yes, they are new and original.
Q: How long warranty?
A: One-year warranty.
Q: Does any certificates can be provided?
A: Yes, it depends on what product you request, please check details with us.
Contact Person: Mrs. Joanna Yang
Tel: +86-13828861501
Fax: 86-755-26850713