Technical data of KFU8-DW-1.D
| Product Description |
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| Rotation speed monitor |
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Parameters related to functional safety |
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|---|---|---|
| Mean time between failures d | 100 a | |
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Supply |
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| Nominal voltage |
200...230 V AC; 100…130 V AC; 50/60 Hz 20 V DC DC ... 30 V DC current |
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| Merger | external fuse 4 A | |
| Power consumption |
Alternating current: < 5 VA Continuous current: < 5W |
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Entrance 1 |
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| Connection | terminals 8-, 9+ | |
| Types of connected sensors | NAMUR sensors according to DIN EN 60947-5-6 | |
| Open circuit voltage | 8.2 VDC | |
| Short-circuit current | 6.5 mA | |
| Switching point | 1.2 ... 2.1 mA Switching hysteresis approx. 0.2 mA | |
| Input frequency | 0.002 ... 10000 Hz, pulse length/duration: ≥ 20 µs | |
| Impedance | 1.2 kOhm | |
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Entrance 2 |
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| Switching point |
High: 16 ... 30 VDC; max. 10 mA thanks to the built-in DC sink; R i ≅ 3 kOhm low: 0 ... 6 VDC |
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| Input frequency | 0.002 ... 40000 Hz, pulse length/duration: ≥ 12 µs | |
| Connection |
terminals 7+, 13- sensor power supply terminals 14, 15 NPN/PNP input (galvanically isolated) |
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| Types of connected sensors | Two-, three- or four-wire contactless position sensor, incremental rotary sensor or external pulse voltage 16-30 V | |
| Sensor power supply | 19 ... 28 VDC, unregulated; ≤ 30 mA with short-circuit protection | |
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Entrance 3 |
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| Overriding the launch | Triggering by external signal 16...30 V or Install a jumper between terminals 2/3 or by turning on the supply voltage (terminal 2 and terminal 3 are permanently connected with a jumper) | |
| Delay time | 0.1 ... 999.9 s (external trigger signal) | |
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Exit |
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| Relay |
1 changeover contact NO, NC, COM |
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| Sensor power supply | 24VDC ±10%, 30mA, short circuit protected | |
| Contact loading |
250 V AC/2 A/ cos φ ≥ 0.7 40VDC/2A |
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| Detain | ≤ 20 ms (including calculation time) | |
| Mechanical life | ≥ 30,000,000 switching cycles | |
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Transmission characteristics |
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| Change interval | 5 ms (internal processing time) | |
| Delay before availability | ≤ 400 ms | |
| Measurement error |
0 ... 40000 Hz: ≤ ±0.10% Display: ±1 digit |
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| Timer function | Delay on, delay off, one shot, pulse extension | |
| Time | 0...999.9 s; reversible operating mode | |
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Standard compliance |
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| Electromagnetic compatibility | resp. EN 50081-2 / EN 50082-2 | |
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Environmental conditions |
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| Ambient temperature | -25 ... 40 °C (-13 ... 104 °F) | |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) | |
| Relative humidity | Max. 80%, non-condensing | |
| Height | 0...2000 m | |
| terms of Use | The device must be used indoors only. | |
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Mechanical characteristics |
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| Assembled connection | Caution: Please note that the device must only be connected to a switched power source. The switch or circuit breaker must be easily accessible and clearly marked as the device's isolator. | |
| Degree of protection | IP20 | |
| Connection | coded, removable terminals, max. core cross-section 0.34 ... 2.5 mm2 | |
| Type of construction |
modular terminal housing made of Makrolon, System KF For use in a distribution cabinet/distribution cabinet module |
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| Installation | snaps onto a standard 35mm rail or is secured with screws | |