Technical characteristics of the KFD2-DWB-Ex1.D
| Main Features | ||
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| Signal type | Digital 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 23+, 24- or power module/power bus | |
| Nominal voltage | 20 ... 30 V DC | |
| Rated current | approx. 100 mA | |
| Power dissipation/power consumption | ≤ 1.8 W / 1.8 W | |
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Entrance |
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| Connection side | side of the field | |
| Connection |
Input I: intrinsically safe: terminals 1+, 3- Input II: Non-intrinsically safe: terminals 13+, 14- |
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| Entrance I | according to EN 60947-5-6 (NAMUR), for electrical characteristics see manual | |
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Pulse duration | > 50 µs |
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Input frequency | 0.001...5000 Hz |
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Line fault detection | open circuit I ≤ 0.15 mA; short circuit I > 6.5 mA |
| Entrance II | Start-up lock: 1...1000 sec, adjustable in 1 sec increments | |
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Active passive | I > 4 mA (min. 100 ms) / I < 1.5 mA |
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Open circuit voltage/short circuit current | 18 V / 5 mA |
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Exit |
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| Connection side | control side | |
| Connection |
output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 |
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| Exit I, II | signal, relay | |
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Contact loading | 253 VAC / 2 A / cos φ ≥ 0.7; 40 VDC / 2 A |
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Mechanical life | 5 x 10 7 switching cycles |
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On/Off Delay | OK. 20ms / approx. 20 ms |
| Collective error message | Power bus | |
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Transmission characteristics |
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| Entrance I |
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Measurement range | 0.001...5000 Hz |
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Permission | 0.1% of the measured value, ≥ 0.001 Hz |
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Accuracy | 0.1% of the measured value, > 0.001 Hz |
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Measuring time | < 100 ms |
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The influence of ambient temperature | 0.003%/K (30 ppm) |
| Exit I, II |
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Delayed response | ≤ 200 ms |
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Galvanic isolation |
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| Input/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Exit I, II against each other | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Launch/Power Correction and Collective Error | Functional insulation according to IEC 62103, rated insulation voltage 50 V, eff. | |
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Indicators/settings |
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| Display elements | LEDs, display | |
| Controls | Control Panel | |
| Configuration | using the control buttons | |
| 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) |
| Low voltage |
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Directive 2014/35/EU | EN 61010-1:2010 |
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Correspondence |
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| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
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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 | 300 g | |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 in) (W x H x D), case type C2 | |
| 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 | TUV 99 ATEX 1408 | |
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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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| Supply |
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Maximum safe voltage | 40 VDC (Note: U m is not the nominal voltage.) |
| Entrance I | terminals 1+, 3-: Ex ia | |
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Voltage U o | 10.1 V |
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Current I o | 13.5 mA |
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Power P o | 34 mW (linear characteristic) |
| Entrance II | terminals 13+, 14- are not intrinsically safe | |
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Maximum safe voltage U m | 40 V (Caution! Nominal voltage may be lower.) |
| Exit I, II | terminals 10, 11, 12; 16, 17, 18 are not intrinsically safe | |
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Maximum safe voltage | 253 V (Caution! Nominal voltage may be lower.) |
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Contact loading |
253VAC/2A/cos φ>0.7; 40VDC/2A resistive load |
| Certificate | TUV 02 ATEX 1885 X | |
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Marking |
II 3G Ex nA nC IIC T4 Gc
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| Exit I, II |
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Contact loading | 50VAC/2A/cos φ>0.7; 40VDC/2A resistive load |
| 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 |
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International certificates |
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| FM approval |
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Control drawing | 16-538FM-12 |
| UL approval | E223772 | |
| IECEx certification |
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IECEx Certificate |
IECEx TUN 03.0000 IECEx TSA 18.0007X |
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IECEx marking |
[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex ec nC IIC T4 Gc |