Technical specifications of the KCD2-STC-Ex1.2O
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
|
Parameters related to functional safety |
||
| Safety Integrity Level (SIL) | SIL 2 | |
| Systematic ability (SC) | SC 3 | |
|
Supply |
||
| 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 | |
|
Entrance |
||
| 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 | |
| Input impedance |
terminals 1+, 2-: max. 500 Ohm (BRAIN) (load 250 Ohm) |
|
| Available voltage | terminals 1+, 2-: ≥ 16 V at 20 mA, ≥ 18.5 V at 4 mA | |
|
Exit |
||
| Connection side | control side | |
| Connection |
source: terminals 5-, 6+; 7-, 8+ receiver: terminals 5+, 6-, 7+, 8- |
|
| Load |
channel 1: 0 ... 500 Ohm (20 mA) /> 1 MOhm (5 V) channel 2: 0 ... 500 Ohm (20 mA) /> 1 MOhm (5 V) |
|
| Output signal | 0/4...20 mA or 0/1...5 V | |
| pulsation | Max. 50 µA RMS | |
|
Transmission characteristics |
||
| 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 | |
|
|
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) |
|
| Settlement time | 6 ms | |
| Rise time/fall time | 2 ms | |
|
Galvanic isolation |
||
| Output/Power | functional insulation, rated insulation voltage 50 V AC | |
| Exit/Exit | functional insulation, rated insulation voltage 50 V AC | |
|
Indicators/settings |
||
| Display elements | LED | |
| Controls | DIP switch | |
| Configuration | via DIP switches | |
| Marking | marking space at the front | |
|
Compliance with the directive |
||
| Electromagnetic compatibility |
|
|
|
|
Directive 2014/30/EU | EN 61326-1:2013 (industrial premises) |
|
Correspondence |
||
| Electromagnetic compatibility |
NE 21:2012 EN 61326-3-2:2008 |
|
| Degree of protection | IEC 60529:2001 | |
| Protection against electric shock | UL 61010-1:2012 | |
|
Environmental conditions |
||
| Ambient temperature |
-20 ... 60 °C (-4 ... 140 °F) Extended ambient temperature range up to 70°C (158°F), see manual for installation requirements |
|
|
Mechanical characteristics |
||
| 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 | |
|
Data for use in hazardous areas |
||
| EU Type Examination Certificate | BASEEFA 13 ATEX 0077 X | |
|
|
Marking |
 II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
|
|
|
Entrance | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |
| Supply |
|
|
|
|
Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Equipment | terminals 1+, 2- | |
|
|
Voltage | 25.2 V |
|
|
Voltage | 28.2 V |
|
|
Current | 93 mA |
|
|
Power | 656 MW |
|
|
Internal capacity | 10 nF |
|
|
Internal inductance | 0 mH |
| Equipment | terminals 3+, 4- | |
|
|
Voltage | 30 V |
|
|
Current | 115 mA |
|
|
Power | 700 MW |
|
|
Voltage | 5 V |
|
|
Current | 6.8 mA |
|
|
Power | 1.6 mW |
| Exit |
|
|
|
|
Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Certificate | BASEEFA 13 ATEX 0078 X | |
|
|
Marking |
II 3G Ex nA IIC T4 Gc
|
| Galvanic isolation |
|
|
|
|
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 |
| Compliance with the directive |
|
|
|
|
Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020, EN 60079-11:2012, EN 60079-15:2010 |
|
International certificates |
||
| UL approval |
|
|
|
|
Control drawing | 116-0380 (cULus) |
| IECEx certification |
|
|
|
|
IECEx Certificate | IECEx BAS 13.0043X |
|
|
IECEx marking | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |