Standstill and Rotational Direction Monitor KFD2-SR2-2.W.SM
Brand: Pepperl+Fuchs
Code: KFD2-SR2-2.W.SM
2-channel signal conditioner, 24 V DC supply, PNP/push-pull, dry contacts or NAMUR inputs, Selectable frequency trip values, 2 relay contact outputs, Start-up override, Selectable mode of operation, Without line fault detection, Up to SIL 2 acc. to IEC/EN 61508, Housing width: 20 mm, Number of channels: 2-channel, Trip relay, Start-up override, Rotation direction monitoring, Rotation speed monitoring, Safety Integrity Level (SIL): SIL 2, Rated voltage: 20... 30 V DC, Field device: NAMUR sensor
Datasheet excerpt: Technical data of KFD2-SR2-2.W.SM
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Programming | via DIP switch and programmable | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | terminals 14+, 15- | |
| Rated voltage | 20... 30 V DC | |
| Power consumption | max. 1.5 W | |
| Input | ||
| Connection side | field side | |
| Connection | Input I: terminals 1+, 2+, 3- ; Input II: terminals 4+, 5+, 6- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR) | |
| Open circuit voltage/short-circuit current | approx. 8 V DC / 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, impedance 1.2 kΩ | |
| Pulse duration | > 200 µs for standstill monitoring, > 250 µs for rotation direction detecion | |
| Output | ||
| Connection side | control side | |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 | |
| Contact loading | 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load | |
| Minimum switch current | 2 mA / 24 V DC | |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms | |
| Mechanical life | 107 switching cycles | |
| Trip value | for standstill monitoring: 0.1 Hz; 0.5 Hz; 2 Hz; 10 Hz adjustable via DIP switch (S1 and S2) | |
| Transfer characteristics | ||
| Accuracy | 5 % (S3 = I), 30 % (S3 = II) | |
| Start-up override | 5 seconds or 20 seconds, programmable | |
| Frequency range | ≤ 2 kHz | |
| Rotation direction detection | 90° phase difference between pulse input signal 1 and 2, overlapping ≥ 125 µs | |
| Galvanic isolation | ||
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Indicators/settings | ||
| Display elements | LEDs | |
| Control elements | DIP switch | |
| Configuration | via DIP switches | |
| Labeling | space for labeling at the front | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| Low voltage | ||
| Directive 2014/35/EU | EN 61010-1:2010 | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Input | EN 60947-5-6:2000 | |
| Ambient conditions | ||
| Ambient temperature | -20... 60 °C (-4... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Mass | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| General information | ||
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210128 |
| ECLASS 12.0 | 27210128 |
| ECLASS 11.0 | 27210128 |
| ECLASS 10.0.1 | 27210128 |
| ECLASS 9.0 | 27210128 |
| ECLASS 8.0 | 27210190 |
| ECLASS 5.1 | 27210121 |
| ETIM 9.0 | EC002918 |
| ETIM 8.0 | EC002918 |
| ETIM 7.0 | EC002918 |
| ETIM 6.0 | EC002918 |
| ETIM 5.0 | EC002475 |
| UNSPSC 12.1 | 39121007 |
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