Technical specifications of KFU8-CRG2-Ex1.D
| 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 23, 24 | |
| Nominal voltage | 20-90 VDC or 48-253 VAC | |
| Power dissipation | 2 W / 3 VA | |
| Power consumption | 2.2 W / 4 VA | |
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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 | |
| Entrance I |
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Input signal | 0/4...20 mA |
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Available voltage | > 15 V at 20 mA |
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Open circuit voltage/short circuit current | 24 V / 33 mA |
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Input impedance | 45 Ohm (terminals 2, 3) |
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Line fault detection | open circuit I < 0.2 mA; short circuit current > 22 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 output III: terminals 8+, 7- |
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| Output signal | 0...20 mA or 4...20 mA | |
| Exit I, II | signal, relay | |
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Contact loading | 250 V AC / 2 A / cos φ ≥ 0.7; 40 V DC / 2 A |
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Mechanical life | 5 x 10 7 switching cycles |
| Exit III | Signal, analog | |
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Current range | 0...20 mA or 4...20 mA |
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Open circuit voltage | Max 24V DC |
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Load | Max. 650 Ohm |
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Malfunction signal | lower range I ≤ 3.6 mA, upper range I ≥ 21.5 mA (according to NAMUR NE43) |
| On/Off Delay | 0 ... 250 s, adjustable | |
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Transmission characteristics |
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| Entrance I |
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Accuracy | < 30 μA |
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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 with bounce from 0 ... 20 mA |
| Exit III |
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Permission | ≤ 10 μA |
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Accuracy | < 20 μA |
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The influence of ambient temperature | 0.005%/K (50 ppm) |
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Reaction time | < 650 ms bounce from 0...20 mA input, 90% of full scale output |
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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. | |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Mutual output I, II, III | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output III/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Interface/power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
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Indicators/settings |
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| Display elements | LEDs, display | |
| Controls | Control Panel | |
| Configuration |
using the control buttons using PACTware |
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| 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 01 ATEX 1701 | |
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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 |
| Supply |
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Maximum safe voltage | 253 VAC (Caution: Nominal voltage may be lower.) |
| Equipment | terminals 1+, 3- | |
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Voltage | 25.8 V |
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Current | 93 mA |
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Power | 0.603 W |
| Equipment | terminals 2-, 3 | |
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Voltage | < 30 V |
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Current | 115 mA |
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Voltage | 5 V |
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Current | 0.3 mA |
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Power | 0.3 mW |
| Equipment | terminals 1+, 2 / 3- | |
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Voltage | 25.8 V |
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Current | 112 mA |
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Power | 720 MW |
| Exit I, II | terminals 10, 11, 12; 16, 17, 18 are not intrinsically safe | |
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Maximum safe voltage | 253 VAC / 40 VDC (Caution: U m is not the nominal voltage.) |
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Contact loading |
253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load (TÜV 01 ATEX 1701) |
| Exit III | terminals 8+, 7- are not intrinsically safe | |
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Maximum safe voltage U m | 40 V (Caution! Nominal voltage may be lower.) |
| Interface | 232 rupees | |
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Maximum safe voltage | 40 V (Attention! The nominal voltage may be lower.) , RS 232 |
| Galvanic isolation |
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Input/other circuits | Safe galvanic isolation according to EN 50020, 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 |
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International certificates |
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| FM approval |
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Control drawing | 16-554FM-12 (cFMus) |
| IECEx certification |
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IECEx Certificate | IECEx TUN 09.0007 |
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IECEx marking | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |