Technical specifications of the KFD2-VR2-Ex1.500M
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
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Supply |
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| Connection | Power bus or terminals 14+, 15- | |
| Nominal voltage | 19 ... 30 V DC current | |
| pulsation | within delivery tolerances | |
| Rated current | ≤ 11 mA | |
| Power dissipation/power consumption | 0.3 W max. | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 4+, 5- | |
| Input impedance | min. 20 MOhm | |
| Transmission range | -500...500 mV | |
| Voltage/current offset | ≤ 5 µV / ≤ 5 nA | |
| Line fault detection | 1.3 μA | |
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Exit |
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| Connection side | control side | |
| Connection | terminals 7+, 8- | |
| Voltage | -500...500 mV | |
| Load | Accuracy specifications for infinite load impedance. Additional 0.03% of range for 10 kΩ load resistance. | |
| Malfunction signal | sensor failure: > +500 mV (upper scale), < -500 mV (lower scale) | |
| Output impedance | Max 3 Ohm | |
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Transmission characteristics |
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| Cutoff frequency | 350 Hz (-3 dB) | |
| Deviation |
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After calibration |
at 20 °C (68 °F): ±30 µV to ±100 mV/±0.03% of span to +500 mV/±0.03% of span to -500 mV |
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The influence of ambient temperature | ± 10 μV/K (typically ± 5 μV/K) |
| Absolute | < 0.25 K at 30 V supply voltage | |
| Rise time | ≤ 1 ms | |
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Galvanic isolation |
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| Output/Power | functional insulation, rated insulation voltage 50 V AC | |
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Indicators/settings |
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| Display elements | LED | |
| Controls | DIP switch | |
| Configuration | via DIP switches | |
| 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 | |
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Environmental conditions |
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| Ambient temperature |
-40 ... 60 °C (-40 ... 140 °F) Extended ambient temperature range up to 70°C (158°F), see manual for installation requirements |
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Mechanical characteristics |
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| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 125 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 | BASEEFA 06 ATEX 0040 | |
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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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Voltage | 5.5 V DC |
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Current | 2.4 mA |
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Power | 3.3 mW |
| Supply |
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Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Certificate | BASEEFA 09 ATEX 0219X | |
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Marking |
II 3G Ex ec IIC T4 Gc
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| Galvanic isolation |
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Input, output | safe electrical insulation in accordance with IEC/EN 60079-11, peak voltage 375 V |
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Input/Power | 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 IEC 60079-0:2018+AC:2020, EN IEC 60079-7:2015+A1:2018, EN 60079-11:2012 |
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International certificates |
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| UL approval | E106378 | |
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Control drawing | 116-0334 (cULus) |
| IECEx certification |
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IECEx Certificate |
IECEx BAS 06.0011 IECEx BAS 09.0103X |
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IECEx marking |
[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex ec IIC T4 Gc |