Excerpt from the technical data sheet: Technical characteristics of the KFD2-SH-Ex1
| Main Features | ||
|---|---|---|
| Signal type | Digital input | |
|
Parameters related to functional safety |
||
| Safety Integrity Level (SIL) | SIL 3 | |
| Performance Level (PL) | PL d | |
|
Supply |
||
| Connection | Power bus or terminals 22+, 23+, 24- | |
| Nominal voltage | 20 ... 35 V DC | |
| pulsation | ≤ 10% | |
| Rated current | ≤ 130 mA | |
| Power dissipation | 2.1 W | |
| Power consumption | Max 2.3 W | |
|
Entrance |
||
| Connection side | side of the field | |
| Connection | terminals 10+, 12- | |
| Open circuit voltage/short circuit current | approx. 8.4 VDC / approx. 11.7 mA | |
| Lead resistance | ≤ 50 Ohm, in hazardous areas the cable capacitance and inductance must be taken into account | |
| Switching point |
|
|
|
|
The relay is de-energized | I < 2.1 mA and I > 5.9 mA |
|
|
The relay is on | 2.8 mA < I < 5.3 mA |
| Delayed response | ≤ 1 ms | |
|
Exit |
||
| Connection side | control side | |
| Connection | output I: terminals 13, 14; output II: terminals 15, 21; output III: terminals 16+, 17- | |
| Exit I | relay, signal | |
|
|
Contact loading | 50VAC/1A/cos φ>0.7; 24VDC/1A resistive load |
|
|
Mechanical life | 50 x 10 6 switching cycles |
| Exit II | relay, signal | |
|
|
Contact loading | 50VAC/1A/cos φ>0.7; 24VDC/1A resistive load |
|
|
Mechanical life | 50 x 10 6 switching cycles |
| Exit III | electronic output, passive, fault signal | |
|
|
Nominal voltage | 10 ... 30 V DC current |
|
|
Signal level |
1-signal: (L+) -2.5 V (7 mA, short-circuit protection) / 0-signal: output blocked (leakage current ≤ 10 μA) |
|
Transmission characteristics |
||
| Switching frequency | 5 Hz | |
|
Galvanic isolation |
||
| Output/Power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Mutual output I, II, III | basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 V eff. | |
|
Indicators/settings |
||
| Display elements | LEDs | |
| Marking | marking space at the front | |
| Compliance with the directive | ||
| Electromagnetic compatibility |
|
|
|
|
Directive 2014/30/EU | EN 61326-1:2013 (industrial premises) |
| Machinery Directive |
|
|
|
|
Directive 2006/42/EU | EN/ISO 13849-1:2015 |
|
Correspondence |
||
| Electromagnetic compatibility | NE 21:2011 | |
| Degree of protection | IEC 60529:2001 | |
| Safety | IEC/EN 61508:2010 | |
|
Environmental conditions |
||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
|
Mechanical characteristics |
||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 280 g | |
| Dimensions | 40 x 107 x 115 mm (1.6 x 4.2 x 4.5 in) (W x H x D), housing type C1 | |
| Installation | on a 35 mm DIN rail in accordance with EN 60715:2001 | |
|
Data for use in hazardous areas |
||
| EU Type Examination Certificate | PTB 00 ATEX 2042 | |
|
|
Marking |
 II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
|
|
|
Entrance | Ex ia |
|
|
Voltage | 9.56 V |
|
|
Current | 16.8 mA |
|
|
Power | 41 mW (linear characteristic) |
| Supply |
|
|
|
|
Maximum safe voltage | 40V AC/DC (Note: Nominal voltage may be lower.) |
| Exit |
|
|
|
|
Maximum safe voltage |
Output I/Output II: 253V AC/DC (Note: U m is not the nominal voltage.) Output III: 60V AC/DC (Caution! U m is not the nominal voltage.) |
| Certificate | TUV 99 ATEX 1493 X | |
|
|
Marking |
II 3G Ex ec nC 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 60079-7:2015+A1:2018, EN 60079-11:2012, EN IEC 60079-15:2019 |
|
International certificates |
||
| FM approval |
|
|
|
|
Control drawing | 116-0158 |
| IECEx certification |
|
|
|
|
IECEx Certificate | IECEx TUN 19.0013X |
|
|
IECEx marking | Ex ec nC IIC T4 Gc |