Technical specifications of the KCD2-STC-Ex1.ES
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
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Parameters related to functional safety |
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| Safety Integrity Level (SIL) | SIL 3 | |
| Systematic ability (SC) | SC 3 | |
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Supply |
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| Connection | Power bus or terminals 9+, 10- | |
| Nominal voltage | 19 ... 30 V DC current | |
| pulsation | ≤ 10% | |
| Rated current | ≤ 50 mA | |
| Power dissipation | ≤ 800 mW | |
| Power consumption | ≤ 1.2 W | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 1+, 2-; 3+, 4- | |
| Input signal | 4...20 mA, limited to approx. 27 mA with reverse polarity protection | |
| Line fault detection | downscaling ≤ 3 mA; upscaling ≥ 22 mA | |
| Voltage drop | approx. 5 V at terminals 3+, 4- | |
| Available voltage | ≥ 15 V at 20 mA terminals 1+, 2- | |
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Exit |
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| Connection side | control side | |
| Connection | terminals 5-, 6+ | |
| Load | 0 ... 300 Ohm (source mode) | |
| Output signal |
source mode: 4...20 mA or 1...5 V (internal resistor: 250 Ohm, 0.1%) consumer mode: 4 ... 20 mA, operating voltage 16 ... 28 V For additional internal or external loads, a voltage drop must be taken into account, e.g. 250 Ohm x 20 mA = 5 V. |
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| pulsation | 20 mV rms | |
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Fault indication output |
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| Output type | fault bus signal, open collector transistor | |
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Transmission characteristics |
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| Deviation |
at 20 °C (68 °F) ≤ ±20 µA incl. calibration, linearity, hysteresis, loads and supply voltage variations (source mode and sink mode 4 ... 20 mA) ≤ 10 mV incl. calibration, linearity, hysteresis and supply voltage variations (1...5 V source mode) |
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The influence of ambient temperature |
< 2 µA/K (0...70 °C (32...158 °F)); < 4 µA/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode and sink mode 4 ... 20 mA) < 0.5 mV/K (0...70 °C (32...158 °F)); < 1 mV/K (-20...0 °C (-4...32 °F)) (1...5 V source mode) |
| Frequency range |
from the field side to the control side: bandwidth with a 1 mA pp signal 0 ... 3 kHz (-3 dB) control side field side: bandwidth with 0.5 V pp signal 0 ... 3 kHz (-3 dB) |
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| Settlement time | ≤ 200 ms | |
| Rise time/fall time | ≤ 20 ms | |
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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 | |
| Input/Power | safe electrical insulation in accordance with IEC/EN 60079-11, peak voltage 375 V | |
| Output/Power | Basic insulation according to EN 61010-1 rated insulation voltage ≤ 50 V | |
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Indicators/settings |
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| Display elements | LEDs | |
| 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 21:2017 For more information, see the system description. |
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| Degree of protection | IEC 60529:2001 | |
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Environmental conditions |
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| Ambient temperature | -20 ... 70 °C (-4 ... 158 °F) | |
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Mechanical characteristics |
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| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 100 g | |
| Dimensions | 12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 in) (W x H x D), case type A2 | |
| 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 10 ATEX 071 | |
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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 V AC (Note: U m is not the nominal voltage.) |
| Equipment | terminals 1+, 2- | |
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Voltage | 25.2 V |
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Current | 100 mA |
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Power | 630 MW |
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Internal capacity | 5.7 nF |
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Internal inductance | minor |
| Equipment | terminals 3+, 4- | |
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Voltage | < 30 V |
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Current | < 128 mA |
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Voltage | 7.2 V |
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Current | 100 mA |
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Power | 25 mW |
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Internal capacity | 5.7 nF |
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Internal inductance | minor |
| Certificate | CESI 19 ATEX 005 X | |
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Marking |
II 3G Ex ec IIC T4 Gc
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| 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 |
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International certificates |
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| UL approval | E106378 | |
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Control drawing | 116-0378 (cULus) |
| IECEx certification |
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IECEx Certificate | IECEx CES 11.0001X |
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IECEx marking |
[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex ec IIC T4 Gc |