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KFD2-SCD2-Ex2.LK SMART Current Driver
Key Benefits at a Glance
- 2-channel isolated barrier
- 24 V DC supply (Power Rail)
- Current output up to 650 Ω load
- HART-IP and valve positioner
- Line fault detection (LFD)
- Accuracy 0.1 %
- Up to SIL 2 (SC 3) acc. to IEC/EN 61508
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Note
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.
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Technical data of KFD2-SCD2-Ex2.LK
| Signal type | Analog output |
| Safety Integrity Level (SIL) | SIL 2 | |
| Systematic capability (SC) | SC 3 |
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | Ur | 19 ... 30 V DC |
| Ripple | ≤ 10 % | |
| Rated current | Ir | ≤ 45 mA at 24 V |
| Power dissipation | ≤ 1 W at 20 mA and 500 Ω load | |
| Power consumption | ≤ 1 W |
| Connection side | control side | |
| Connection | terminals 7-, 8+, (9+); 10-, 11+, (12+) | |
| Input signal | 4 ... 20 mA , limited to approx. 30 mA | |
| Input voltage | open loop voltage of the control system ≤ 30 V | |
| Voltage drop | approx. 6 V at 20 mA | |
| Input resistance | field wiring open circuit : > 100 kΩ field wiring < 50 Ω : > 100 kΩ when using terminals 1, 2 and 4, 5 |
| Connection side | field side | |
| Connection | terminals 1+, 2-; 4+, 5- terminals 3+, 2-; 6+, 5- (no short circuit detection) | |
| Voltage | ≥ 13 V at 20 mA | |
| Current | 4 ... 20 mA | |
| Load | 100 ... 650 Ω , for terminals 1, 2; 4, 5 0 ... 550 Ω , for Terminals 2, 3; 5, 6 | |
| Ripple | 20 mV rms | |
| Line fault detection | breakage, load > 100 kΩ, short-circuit, load < 50 Ω |
| Output type | open collector transistor (internal fault bus) |
| Deviation | at 20 °C (68 °F), 4 ... 20 mA < 0.1 % of full scale, incl. non-linearity and hysteresis | ||||
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| Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB) | ||||
| Rise time | 10 to 90 % ≤ 10 ms | ||||
| Input/Output | basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Input/power supply | basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Input/input | functional insulation, rated insulation voltage 50 V AC |
| Display elements | LEDs | |
| Labeling | space for adhesive label at the front |
| Electromagnetic compatibility | |||||
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| Electromagnetic compatibility | NE 21:2017 EN 61326-3-2:2018 | |
| Degree of protection | IEC 60529 | |
| Protection against electrical shock | UL 61010-1:2012 |
| Ambient temperature | -40 ... 70 °C (-40 ... 158 °F) |
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Mass | approx. 135 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 |
| EU-type examination certificate | BAS 00 ATEX 7240 X | ||||||||||||||||||||||
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| Certificate | FIDI 22 ATEX 0002 X | ||||||||||||||||||||||
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| Galvanic isolation | |||||||||||||||||||||||
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| Directive conformity | |||||||||||||||||||||||
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II (1)G [Ex ia Ga] IIC | UL approval | E106378 | |||||||
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| IECEx approval | ||||||||
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| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |