Technical characteristics of the KFD2-UT2-Ex1-1
| Main Features | ||
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| 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 | terminals 14+, 15- or power module/power bus | |
| Nominal voltage | 20 ... 30 V DC | |
| pulsation | within delivery tolerances | |
| Power dissipation | ≤ 0.64 W | |
| Power consumption | Max. 0.64 W | |
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Interface |
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| Programming interface | programming connector | |
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Entrance |
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| 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 measurement circuit | sensor break, 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 measurement 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) | |
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Exit |
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| Connection side | control side | |
| Output voltage | 0...5 V or 1...5 V; output impedance: ≤ 5 Ohm; load: ≥ 10 kOhm | |
| Connection | terminals 7-, 8+ | |
| Malfunction signal | scale down 0 V or 0.5 V, scale up 5.375 V | |
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Fault indication output |
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| Output type |
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Transmission characteristics |
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| Deviation |
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After calibration |
Pt100: ±(0.06% of the measured value in K + 0.1 K (4-wire connection)) Thermocouple: ±(0.05% of the measurement value in °C + 1 K (1.2 K for types R and S)), including ±0.8 K cold junction compensation (CJC) error mV: ±50 µV Potentiometer: ±0.05% of full scale (excluding faults due to wire resistance) Output: 1 to 5 V Output: ±4 mV from 0 to 103.1 % of range; Output from 0 to 5 V: ±4 mV from 0.3 to 102.5 % of range |
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The influence of ambient temperature |
Pt100: ±(0.0015 % of measured value in K + 0.0075 % of span)/K ΔT ambient , influence of cold junction compensation (CJC) included: mV: ±(0.01 % of measured value + 0.0075 % of span)/K ΔT ambient *) Potentiometer: ±0.0075 % of span/K ΔT ambient *) *) ΔT ambient = change in ambient temperature relative to 23 °C (296 K) |
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Influence of supply voltage | < 0.01% of range |
| Reaction time |
worst case value (sensor break 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 |
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| Output/power, input for programming |
functional insulation, rated insulation voltage 50 V AC There is no electrical isolation between the program input and the power supply. The programming cable provides galvanic isolation, which helps avoid ground loops. |
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Indicators/settings |
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| Display elements | LEDs | |
| Configuration | via PACTware | |
| 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 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Protection against electric shock | UL 61010-1:2004 | |
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Environmental conditions |
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| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
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Mechanical characteristics |
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| 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 rail in accordance with EN 60715:2001 | |
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Data for use in hazardous areas |
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| EU Type Examination Certificate | CESI 04 ATEX 143 | |
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Marking |
 II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
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Entrance | Ex iа |
| Entrances | terminals 1, 2, 3, 4 | |
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Voltage U o | 9 B |
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Current I am about | 22 mA |
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Power By _ | 50 mW |
| Analog outputs, power supply, general error |
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Maximum safe voltage | 250V (Note: This is not the nominal voltage.) |
| Interface |
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Maximum safe voltage | 250 V (Attention! Nominal voltage is lower.), RS 232 |
| Certificate | TUV 02 ATEX 1797 X | |
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Marking |
II 3G Ex nA II T4
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| Galvanic isolation |
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Input/other circuits | safe electrical insulation in accordance with IEC/EN 60079-11, peak voltage 375 V |
| Compliance with the directive |
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Directive 2014/34/EU | EN 60079-0:2012+A11:2013, EN 60079-11:2012, EN 60079-15:2010, EN 50303:2000 |
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International certificates |
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| UL approval |
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Control drawing | 116-0410 |
| CSA approval |
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Control drawing |
116-0314 (cCSAus) 116-0347 |
| IECEx certification |
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IECEx Certificate |
IECEx TUN 07.0003 IECEx CML 16.0126X |
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IECEx marking |
[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex nA IIC T4 Gc |