Technical data of KFD2-STC5-2
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
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Parameters related to functional safety |
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| Safety Integrity Level (SIL) | SIL 2 | |
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Supply |
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| Connection | Power bus or terminals 14+, 15- | |
| Nominal voltage | 18...30 V DC | |
| Pulsation | within the delivery tolerance | |
| Power dissipation | ≤ 1.4 W at maximum load | |
| Power consumption | ≤ 2.6 W at maximum load | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 1+, 2-, 3; 4+, 5-, 6 | |
| Input signal | 4 ... 20 mA | |
| Open circuit voltage/short circuit current | terminals 1+, 3; 4+, 6: 23 V/25 mA | |
| Input impedance | Max. 265 Ohm terminals 2-, 3; 5-, 6, max. 330 Ohm terminals 1+, 3; 4+, 6 | |
| Available voltage | ≥ 16 V at 20 mA; ≥ 20 V at 4 mA, terminals 1+, 3; 4+, 6 | |
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Exit |
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| Connection side | control side | |
| Connection |
terminals 7+, 8-, 9-; 10+, 11-, 12- (receiver) terminals 7-, 8+, 9+; 10-, 11+, 12+ (source) see additional information |
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| Load | 0...600 Ohm | |
| Output signal | 4...20 mA (overload> 25 mA) | |
| Pulsation | Max 50 µA RMS | |
| External power supply (circuit) |
2 ... 30 V DC current If the external voltage is > 19 V, a load ≥ ((V - 19) / 0.02) Ω is required. V represents the value of the external voltage. An internal 250 ohm resistor on terminals 9 and 12 can be used as a load. |
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Transfer characteristics |
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| Deviation |
at 20 °C (68 °F), 4...20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and supply voltage variations |
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The influence of ambient temperature | ≤ 0.25 μA/K |
| Frequency range |
from the field side to the control side: bandwidth with 1 V pp signal 0 ... 7.5 kHz (-3 dB) from safe area to hazardous area: bandwidth with SS 1 V signal 0.3 ... 7.5 kHz (-3 dB) |
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| Settlement time | 200 µs | |
| Rise time/fall time | 100 µs | |
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Galvanic isolation |
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| Input, output | Basic insulation according to IEC 61010-1, rated insulation voltage 300 V eff. | |
| Input/Power Supply | Basic insulation according to IEC 61010-1, rated insulation voltage 300 V eff. | |
| Output/power supply | functional insulation, rated insulation voltage 50 V AC | |
| Exit/Exit | functional insulation, rated insulation voltage 50 V AC | |
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Indicators/settings |
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| Display elements | LED | |
| Marking | marking space at the front | |
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Compliance with the directive |
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| Electromagnetic compatibility |
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Directive 2014/30/EU | EN 61326-1:2013 (industrial premises) |
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Correspondence |
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| Electromagnetic compatibility |
NE 21:2012 EN 61326-3-2:2008 |
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| Degree of protection | IEC 60529:2001 | |
| Protection against electric shock | UL 61010-1:2012 | |
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Environmental conditions |
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| Ambient temperature | -20...70°С (-4...158°F) | |
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Mechanical characteristics |
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| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 150 g | |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 in) (W x H x D), case type B2 | |
| Installation | on a 35 mm DIN mounting rail in accordance with EN 60715:2001 | |