Pepperl+Fuchs KFD2-SR2-Ex2.W.SM
Standstill and Rotational Direction Monitor
- 2-channel isolated barrier
- 24 V DC supply (Power Rail)
- Dry contact or NAMUR inputs
- Selectable frequency trip values
- 2 relay contact outputs
- Start-up override
- Selectable mode of operation
- Line fault detection (LFD)
- Up to SIL 2 acc. to IEC 61508
Item Number:
KFD2-SR2-Ex2.W.SM
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- Overview
- Comments
| Connection | screw terminals |
| Minimum switch current | 2 mA / 24 V DC |
| Programming | via DIP switch and programmable |
| Start-up override | 5 seconds or 20 seconds, programmable |
| Control input | sensor power supply approx. 8.2 V, impedance 1.2 kandOmega; |
| Mechanical life | 107 switching cycles |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Rated voltage | 20 ... 30 V DC |
| Connection side | field side |
| Pulse duration | > 200 micro/s for standstill monitoring, > 250 micro/s for rotation direction detecion |
| Frequency range | 2 kHz |
| Signal type | Digital Input |
| Safety Integrity Level (SIL) | SIL 2 |
| IECEx approval | IECEx PTB 11.0034 |
| Display elements | LEDs |
| Connection | Power Rail or terminals 14+, 15- |
| Labeling | space for labeling at the front |
| Line fault detection | breakage I 0.1 mA , short-circuit I > 6 mA |
| Rotation direction detection | 90В° phase difference between pulse input signal 1 and 2, overlapping 125 micro/s |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Trip value | for standstill monitoring: 0.1 Hz; 0.5 Hz; 2 Hz; 10 Hz adjustable via DIP switch (S1 and S2) |
| Connection | Input I: terminals 1+, 2+, 3- ; Input II: terminals 4+, 5+, 6- |
| Electromagnetic compatibility | NE 21:2006 |
| Control elements | DIP-switch |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Output/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Input | EN 60947-5-6:2000 |
| Ambient temperature | -20 ... 60 В°C (-4 ... 140 В°F) |
| Mass | approx. 150 g |
| Contact loading | 253 V AC/2 A/cos andphi; > 0.7; 126.5 V AC/4 A/cos andphi; > 0.7; 40 V DC/2 A resistive load |
| Degree of protection | IEC 60529:2001 |
| Connection side | control side |
| Power consumption | max. 1.5 W |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Degree of protection | IP20 |
| Accuracy | 5 % (S3 = I), 30 % (S3 = II) |
| Configuration | via DIP switches |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| EU-Type Examination Certificate | PTB 00 ATEX 2080 |
| Certificate | TГњV 99 ATEX 1493 X |
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