Technical data of the KFD2-STC4-Ex2-Y1
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
|
Parameters related to functional safety |
||
| Safety Integrity Level (SIL) | SIL 2 | |
|
Supply |
||
| Connection | Power bus or terminals 14+, 15- | |
| Nominal voltage | 20 ... 35 V DC | |
| pulsation | within delivery tolerances | |
| Power dissipation | 1.9 W | |
| Power consumption | Max 2.8 W | |
|
Entrance |
||
| Connection side | side of the field | |
| Connection | terminals 1+, 3-; 4+, 6- | |
| Input signal | 0/4...20 mA | |
| Available voltage | ≥ 16 V at 20 mA, terminals 1+, 3 | |
|
Exit |
||
| Connection side | control side | |
| Connection | terminals 7+, 8-; 10+, 11- | |
| Output signal | 0/4 ... 20 mA (overload > 25 mA) | |
| pulsation | Max. 50 µA RMS | |
| External power supply (loop) | 11 ... 30 V DC current | |
|
Transmission characteristics |
||
| Deviation |
at 20 °C (68 °F), 0/4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and supply voltage variations |
|
|
|
The influence of ambient temperature | 0.25 μA/K |
| Frequency range |
from the field side to the control side: bandwidth with 1 V pp signal 0 ... 7.5 kHz (-3 dB) from safe area to hazardous area: bandwidth with 1 V SS signal 0.3 ... 7.5 kHz (-3 dB) |
|
| Settlement time | 200 µs | |
| Rise time/fall time | 20 µs | |
|
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 | |
| 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 21:2011 | |
| Degree of protection | IEC 60529:2001 | |
| Protection against electric shock | UL 61010-1:2012 | |
|
Environmental conditions |
||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
|
Mechanical characteristics |
||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 200 g | |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 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 | |
|
Data for use in hazardous areas |
||
| EU Type Examination Certificate | BAS 99 ATEX 7025 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 |
|
|
Voltage | 25.2 V |
|
|
Current | 93 mA |
|
|
Power | 0.586 W |
| Supply |
|
|
|
|
Maximum safe voltage | 250 V (Caution! Nominal voltage may be lower.) |
| Certificate | TUV 99 ATEX 1499 X | |
|
|
Marking |
II 3G Ex nA II T4
|
| 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 | E106378 | |
|
|
Control drawing | 116-0428 (cULus) |
| IECEx certification |
|
|
|
|
IECEx Certificate |
IECEx BAS 04.0015X IECEx CML 15.0055X |
|
|
IECEx marking |
[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex nA IIC T4 Gc |