Pepperl+Fuchs KFD2-STC4-Ex1.2O.H
SMART Transmitter Power Supply
- 1-channel isolated barrier
- 24 V DC supply (Power Rail)
- Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
- Signal splitter (1 input and 2 outputs)
- Dual output 0/4 mA ... 20 mA
- Terminal blocks with test sockets
- High field voltage 17.6 V DC
- Up to SIL 3 acc. to IEC 61508
Item Number:
KFD2-STC4-Ex1.2O.H
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- Overview
- Comments
| Rated voltage | 20 ... 35 V DC |
| Output/Output | functional insulation, rated insulation voltage 50 V AC |
| Connection | terminals 7-, 8+,9; 10-, 11+,12 |
| Settling time | 200 µs |
| Connection | Power Rail or terminals 14+, 15- |
| Mass | approx. 200 g |
| 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) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Load | 0 ... 550 Ω at 20 mA |
| Connection | screw terminals |
| Signal type | Analog input |
| Connection | terminals 1+, 2-, 3 or 5-, 6+ |
| Output/power supply | functional insulation, rated insulation voltage 50 V AC |
| Deviation | at 20 В°C (68 В°F), 0/4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| EU-type examination certificate | BAS 99 ATEX 7060 X |
| Equipment | terminals 1+, 2 / 3- |
| Equipment | terminals 5-, 6+ |
| Equipment | terminals 2-, 3 |
| Ripple | max. 50 µA rms |
| Rise time/fall time | 20 µs |
| Input resistance | terminals 2-, 3: max. 76 Ω terminals 1+, 3: max. 500 Ω (250 Ω load) |
| Output signal | 0/4 ... 20 mA (overload > 25 mA) |
| Voltage drop | terminals 5, 6 : ≤ 2.4 V at 20 mA |
| Display elements | LED |
| Labeling | space for labeling at the front |
| Ripple | within the supply tolerance |
| Connection side | field side |
| Protection against electrical shock | UL 61010-1:2012 |
| Note | Both output loads must be connected to ensure complete and correct operation within the technical specification. Open circuit of one of the two outputs will not affect the connected output, but would result in a loss of transmitter supply voltage of up to 0.7 Volt. |
| Connection side | control side |
| Open circuit voltage/short-circuit current | terminals 1+, 3-: 24.2 V / 38 mA |
| Degree of protection | IEC 60529:2001 |
| Degree of protection | IP20 |
| Input signal | 0/4 ... 20 mA |
| Power dissipation | 1.9 W |
| Electromagnetic compatibility | NE 21:2011 |
| Ambient temperature | -20 ... 60 В°C (-4 ... 140 В°F) |
| Equipment | terminals 1+, 3- |
| Available voltage | terminals 1+, 3: ≥ 17.6 V at 20 mA |
| Certificate | TГњV 99 ATEX 1499 X |
| Power consumption | 2.5 W |
| Safety Integrity Level (SIL) | SIL 3 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| IECEx approval | IECEx BAS 04.0016X IECEx CML 15.0055X |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2 |
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