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德国倍加福 P+F 四通道安全栅 KFD2-SRA-EX4 信号隔离器
德国倍加福 P+F 四通道安全栅 KFD2-SRA-EX4 信号隔离器
参数表节选：的技术参数 KFD2-SRA-Ex4
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 19 ... 30 V DC | |
| Ripple | ≤ 10 % | |
| Rated current | 45 ... 70 mA | |
| Power dissipation | 1.2 W | |
| Input | ||
| Connection | terminals 1-, 2+, 3-; 4-, 5+, 6- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data | |
| 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 | |
| Pulse/Pause ratio | min. 35 ms / min. 35 ms (non-AC operation) min. 70 ms / min. 70 ms (AC operation) | |
| Line fault detection | breakage I ≤ 0.15 mA , short-circuit I > 6 mA | |
| Output | ||
| Connection | output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12 | |
| Output I ... IV | Signal I ... Signal IV ; relay | |
| Contact loading | 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load; | |
| Energized/De-energized delay | approx. 30 ms / approx. 30 ms | |
| Mechanical life | 5 x 106 switching cycles | |
| Collective error message | Power Rail | |
| Transfer characteristics | ||
| Switching frequency | ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation) | |
| 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 | |
| Data for application in connection with hazardous areas | ||
| EC-Type Examination Certificate | ZELM 99 ATEX 0009 | |
| 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 | |
| Directive conformity | ||
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-26:2007 , EN 50303:2000 | |
| International approvals | ||
| UL approval | ||
| Control drawing | 116-0145 | |
| IECEx approval | IECEx TUN 04.0003 | |
| Approved for | [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I | |
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