Technical data of KFD2-UT2-1
| Main Features | ||
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| Signal type | Analog input | |
| Parameters related to functional safety | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | terminals 14+, 15- or power supply module/power bus | |
| Nominal voltage | 20...30 V DC | |
| Pulsation | within the delivery tolerance | |
| Power dissipation | ≤ 0.98 W | |
| Power consumption | Max. 0.98 W | |
| Interface | ||
| Programming interface | programming connector | |
| Entrance | ||
| Connection side | side of the field | |
| Connection | terminals 1, 2, 3, 4 | |
| RTD |
type Pt10, Pt50, Pt100, Pt500, Pt1000 (EN 60751: 1995) type Pt10GOST, Pt50GOST, Pt100GOST, Pt500GOST, Pt1000GOST (6651-94) type Cu10, Cu50, Cu100 (P50353-92) type Ni100 (DIN 43760) |
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Current measurement | approx. 200 µA with RTD |
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Types of measurements | 2-, 3-, 4-wire connection |
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Lead resistance | Max 50 ohms per line |
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Monitoring the measuring circuit | sensor failure, sensor short circuit |
| Thermocouples |
type B, E, J, K, N, R, S, T (IEC 584-1: 1995) type L (DIN 43710: 1985) type TXK, TXKH, TXA (P8.585-2001) |
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Cold junction compensation | external and internal |
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Monitoring the measuring circuit | sensor failure |
| Potentiometer | 0...20 kOhm (2-wire connection), 0.8...20 kOhm (3-wire connection) | |
| Voltage | selectable in the range of -100...100 mV | |
| Input impedance | ≥ 1 MOhm (-100...100 mV) | |
| Exit | ||
| Connection side | control side | |
| Connection | output I: terminal 7: source (-), sink (+), terminal 8: source (+), terminal 9: sink (-) | |
| Exit | Analog current output | |
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Current range | 0...20 mA or 4...20 mA |
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Malfunction signal | lower limit 0 or 2 mA, upper limit 21.5 mA (according to NAMUR NE43) |
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Source |
load 0...550 Ohm open circuit voltage ≤ 18 V |
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Sink |
The voltage at the terminals is 5...30 V. If the current is supplied from a source > 16.5 V, a series resistance of ≥ (V - 16.5)/0.0215 Ohm is required, where V is the source voltage. The maximum resistance value is (V - 5)/0.0215 Ohm. |
| Transfer characteristics | ||
| Deviation |
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After calibration |
Pt100: ±(0.06% of the measurement value in K + 0.1% of the measurement range + 0.1 K (4-wire connection)) Thermocouple: ±(0.05% of measurement value in °C + 0.1% of measurement range + 1 K (1.2 K for types R and S)), includes ±0.8 K cold junction compensation (CJC) mV: ±(50 µV + 0.1% of scale) Potentiometer: ±(0.05% of full scale + 0.1% of scale, (eliminates faults) due to lead resistance)) |
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The influence of ambient temperature |
Pt100: ±(0.0015% of the measurement value in K + 0.006% of the measurement range)/K ΔT amb *) thermocouple: ±(0.02 K + 0.005 % of the measurement value in °C + 0.006 % of the measurement range)/K ΔT amb *) ), influence of cold junction compensation (CJC), including mV: ± (0.01% of measured value + 0.006% of range)/K ΔT amb *) potentiometer: ± 0.006% of range/K ΔT amb *) *) ΔT amb = change in ambient temperature relative to 23 °C (296 K) |
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Influence of supply voltage | < 0.01% of range |
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Effect of load | ≤ 0.001% of output value into 100 ohms |
| Reaction time |
worst case value (sensor failure and/or sensor short circuit detection enabled) mV: 1 s, CJC thermocouples: 1.1 s, fixed reference temperature thermocouples: 1.1 s, 3- or 4-wire RTD: 920 ms, 2-wire RTD: 800 ms, potentiometer: 2.05 s |
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| Galvanic isolation | ||
| Input/Other circuits | Basic insulation according to IEC 61010-1, rated insulation voltage 300 V eff. | |
| Output/power, input for programming |
Functional insulation, rated insulation voltage 50 V AC. There is no electrical isolation between the programming input and the power supply. The programming cable provides galvanic isolation, which helps avoid ground loops. |
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| Indicators/settings | ||
| Display elements | LEDs | |
| Configuration | via PACTware | |
| Marking | marking space at the front | |
| Compliance with directives | ||
| Electromagnetic compatibility |
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Directive 2014/30/EU | EN 61326-1:2013 (industrial premises) |
| Correspondence | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Environmental conditions | ||
| Ambient temperature | -20...60°С (-4...140°F) | |
| Mechanical characteristics | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Weight | approx. 130 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 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 | |