Technical data KCD2-STC-Ex1.2O.DE
| 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 | Power bus or terminals 9+, 10- | |
| Nominal voltage | 19 ... 30 V DC current | |
| pulsation | within delivery tolerances | |
| Power dissipation | approx. 1.4 W at 20 mA transmit current, 250 Ohm on both outputs | |
| Power consumption | 2 W | |
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Interface |
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| Protocol | Honeywell DE | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 1+, 2- (drain); 3+, 4- (source) | |
| Input signal | 0/4...20 mA | |
| Voltage drop | terminals 3, 4: ≤ 6.1 V at 20 mA | |
| Short-circuit current | terminals 1+, 2-: 25 mA, wake-up pulse: 36 mA, 20 ms (Honeywell DE) | |
| Input impedance |
terminals 1+, 2-: max. 500 Ohm (BRAIN) (load 250 Ohm) |
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| Available voltage | terminals 1+, 2-: ≥ 16 V at 20 mA, ≥ 18.5 V at 4 mA | |
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Exit |
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| Connection side | control side | |
| Connection |
source: terminals 5-, 6+; 7-, 8+ receiver: terminals 5+, 6-, 7+, 8- |
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| Load |
channel 1: 0 ... 500 Ohm (20 mA) /> 1 MOhm (5 V) channel 2: 0 ... 500 Ohm (20 mA) /> 1 MOhm (5 V) |
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| Output signal | 0/4...20 mA or 0/1...5 V | |
| pulsation | Max. 50 µA RMS | |
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Transmission characteristics |
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| Deviation | I out < 20 µA (0.1%); V out < 10 mV (0.2%), including calibration, linearity, hysteresis, and supply voltage variations, at 20 °C (68 °F), 0/4 ... 20 mA, 0/1 ... 5 V | |
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The influence of ambient temperature |
current output: 0.25 μA/K voltage output: 80 µV/K |
| Frequency range |
from the field side to the control side: bandwidth with 0.5 V pp signal 0 ... 6 kHz (-3 dB) control side field side: bandwidth with 0.5 V pp signal 0.3 ... 6 kHz (-3 dB) [DE 1 kHz (-3 dB)] |
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| Settlement time | 6 ms | |
| Rise time/fall time | 2 ms | |
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Galvanic isolation |
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| Output/Power | functional insulation, rated insulation voltage 50 V AC | |
| Exit/Exit | 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/E U | EN 61326-1:2013 (industrial premises) |
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Correspondence |
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| Electromagnetic compatibility |
NE 21:2012 EN 61326-3-2:2008 |
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| Degree of protection | IEC 60529:2001 | |
| Protection against electric shock | UL 61010-1:2012 | |
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Environmental conditions |
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| Ambient temperature |
-20 ... 60 °C (-4 ... 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. 100 g | |
| Dimensions | 12.5 x 124 x 114 mm (0.5 x 4.9 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 | BASEEFA 13 ATEX 0077 X | |
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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 ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |
| Supply |
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Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Equipment | terminals 1+, 2- | |
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Voltage | 25.2 V |
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Voltage | 28.2 V |
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Current | 93 mA |
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Power | 656 MW |
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Internal capacity | 10 nF |
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Internal inductance | 0 mH |
| Equipment | terminals 3+, 4- | |
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Voltage | 30 V |
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Current | 115 mA |
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Power | 700 MW |
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Voltage | 5 V |
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Current | 6.8 mA |
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Power | 1.6 mW |
| Exit |
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Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Certificate | BASEEFA 13 ATEX 0078 X | |
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Marking |
II 3G Ex nA 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 60079-11:2012, EN 60079-15:2010 |
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International certificates |
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| UL approval |
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Control drawing | 116-0380 (cULus) |
| IECEx certification |
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IECEx Certificate | IECEx BAS 13.0043X |
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IECEx marking | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |