
SMART Transmitter Power Supply KFD2-STC4-EX1
"SMART Transmitter Power Supply
KFD2-STC4-Ex1"
- 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 0/4 mA ... 20 mA
- Terminals with test points
- Up to SIL 2 acc. to IEC 61508
Please Sote: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.
Product Description | |
---|---|
Input 0/4 mA ... 20 mA | |
Output 0/4 mA ... 20 mA | |
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 Vpp signal 0 ... 7.5 kHz (-3 dB) safe area to hazardous area: bandwidth with 0.5 Vpp 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 |
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 21:2011 |
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) , 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 7025 X |
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 Uo | 25.4 V |
Current Io | 86.8 mA |
Power Po | 551 mW |
Equipment | terminals 2-, 3 |
Current Io/Current Ii | 74 mA / 115 mA |
Current Ii | 115 mA |
Voltage Uo | 3.5 V |
Current Io | 74 mA |
Power Po | 64 mW |
Equipment | terminals 1+, 2 / 3- |
Voltage Ui | 30 V |
Current Ii | 115 mA |
Voltage Uo | 25.4 V |
Current Io | 115 mA |
Power Po | 584 mW |
Equipment | terminals 5-, 6+ |
Voltage Ui | 30 V |
Current Ii | 115 mA |
Voltage Uo | 8.7 V |
Current Io | 0 mA |
Output | |
Maximum safe voltage | 250 V (Attention! The rated voltage can be lower.) |
Certificate | TÜV 99 ATEX 1499 X |
Marking |
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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 BAS 04.0015X |
IECEx CML 15.0055X | |
Approved for | [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.control-automation.com/ |
Accessories | |
Optional accessories | - power feed module KFD2-EB2(.R4A.B)(.SP) |
- universal power rail UPR-03(-M)(-S) | |
- profile rail K-DUCT-BU(-UPR-03) |