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详细介绍
德国* KFD2-SR2-EX2.W.SM P+F安全栅
德国* KFD2-SR2-EX2.W.SM P+F安全栅
参数表节选：的技术参数 KFD2-SR2-Ex2.W.SM
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 20 ... 30 V DC | |
| Power consumption | max. 1.5 W | |
| Input | ||
| 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 | breakage I ≤ 0.1 mA , short-circuit I > 6 mA | |
| 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 | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 | |
| Relay | 2 changeover contacts | |
| 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 | |
| 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 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Mass | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Data for application in connection with hazardous areas | ||
| EC-Type Examination Certificate | PTB 00 ATEX 2080 | |
| Group, category, type of protection |  II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I | |
| Error message output | ||
| Maximum safe voltage | 40 V DC (Attention! Um is no rated voltage.) | |
| Statement of conformity | TÜV 99 ATEX 1493 X | |
| Group, category, type of protection, temperature class | II 3G Ex nA nC IIC T4 | |
| Directive conformity | ||
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010 | |
| International approvals | ||
| FM approval | ||
| Control drawing | 116-0035 | |
| CSA approval | ||
| Control drawing | 116-0047 | |
| IECEx approval | IECEx PTB 11.0034 | |
| Approved for | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I | |
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