Technical specifications of the KFD2-VR-Ex1.18
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
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Supply |
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| Connection | Power bus or terminals 11+, 12- | |
| Nominal voltage | 20 ... 35 V DC | |
| pulsation | within delivery tolerances | |
| Rated current | < 20 mA | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 4+, 5- | |
| Input impedance | min. 10 MOhm | |
| Transmission range | 0 ... 12 V | |
| Voltage/current offset | < 2 mV / < 7 nA | |
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Exit |
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| Connection side | control side | |
| Connection | terminals 7-, 8+ | |
| Voltage | 0 ... 12 V | |
| Output impedance | Max 20 Ohm | |
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Transmission characteristics |
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| Cutoff frequency | 1.2 kHz (-3 dB) | |
| Deviation |
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After calibration | ± 5 mV at 20 °C (68 °F) |
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The influence of ambient temperature | ≤ 0.005% of span per K |
| Rise time | ≤ 0.4 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 | |
| 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 | |
| Degree of protection | IEC 60529 | |
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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. 100 g | |
| Dimensions | 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in) (W x H x D), case type B1 | |
| 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 | BAS 01 ATEX 7262 | |
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Marking |
 II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (-20 °C ≤ T ambient ≤ 60 °C), [circuit(s ) in zone 0/1/2]
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Voltage | 18 B |
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Current | 4.2 mA |
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Power | 19 MW |
| Supply |
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Maximum safe voltage | 250 V (Caution! Nominal voltage is lower.) |
| Exit |
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Maximum safe voltage | 250 V (Caution! Nominal voltage is lower.) |
| Certificate | BASEEFA 10 ATEX 0079X | |
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Marking |
II 3G Ex ec IIC T4 Gc [device in zone 2]
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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 60079-0:2012+A11:2013, EN 60079-11:2012, EN 60079-7:2015+A1:2018 |
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International certificates |
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| FM approval |
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Control drawing | 116-0129 |
| UL approval |
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Control drawing | 116-0173 (cULus) |
| CSA approval |
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Control drawing | 116-0132 |
| IECEx certification |
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IECEx Certificate | IECEx BAS 10.0040X |
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IECEx marking | Ex ec IIC T4 Gc |