Technical characteristics of the KFD2-SR2-2.W.SM
| Main Features | ||
|---|---|---|
| Signal type | Digital input | |
| Programming | using a DIP switch and programmable | |
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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 | terminals 14+, 15- | |
| Nominal voltage | 20 ... 30 V DC | |
| Power consumption | Max 1.5 W | |
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Entrance |
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| Connection side | side of the field | |
| Connection |
Input I: terminals 1+, 2+, 3-; Input II: terminals 4+, 5+, 6- |
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| Nominal values | according to EN 60947-5-6 (NAMUR) | |
| Open circuit voltage/short circuit current | approx. 8 VDC / approx. 8 mA | |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA | |
| Line fault detection | not available | |
| Control input | sensor power supply approx. 8.2 V, resistance 1.2 kOhm | |
| Pulse duration |
> 200 µs for idle state control, > 250 µs to determine the direction of rotation |
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Exit |
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| Connection side | control side | |
| Connection |
output I: terminals 7, 8, 9; output II: terminals 10, 11, 12 |
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| Contact loading | 253VAC/2A/cos φ>0.7; 126.5VAC/4A/cos φ>0.7; 40VDC/2A resistive load | |
| Minimum switching current | 2 mA / 24 V DC current | |
| On/Off Delay | OK. 20ms / approx. 20 ms | |
| Mechanical life | 10 7 switching cycles | |
| Cost of the trip |
to control the state of rest: 0.1 Hz; 0.5 Hz; 2 Hz; 10 Hz adjustable via DIP switch (S1 and S2) |
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Transmission characteristics |
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| Accuracy | 5% (S3 = I), 30% (S3 = II) | |
| Overriding the launch | 5 seconds or 20 seconds, programmable | |
| Frequency range | ≤ 2 kHz | |
| Detecting the direction of rotation | Phase difference 90° between pulse input signals 1 and 2, overlap ≥ 125 µs | |
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Galvanic isolation |
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| Input, output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Input/Power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output/Power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Exit/Exit | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
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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) |
| Low voltage |
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Directive 2014/35/EU | EN 61010-1:2010 |
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Correspondence |
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| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Entrance | EN 60947-5-6:2000 | |
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Environmental conditions |
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| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
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Mechanical characteristics |
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| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 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 | |