Pepperl Fuchs KFU8-DW-1.D

Rotation Speed Monitor. Speed monitoring up to 40 kHz, 1 pre-select value with relay output and LED indicator, 2-, 3-, 4-wire and NAMUR sensors as well as rotary encoder connectable, Start-up delay, Menu driven operation via 4 front keys, Housing width: 40 mm, Rated voltage: 196 ... 250 V AC , 98 ... 127 V AC , 50/60 Hz <BR>20 ... 30 V DC, Relay: 1 changeover contact <BR>NO, NC, COM. MTTFd: 100 a. Rated voltage: 196 ... 250 V AC , 98 ... 127 V AC , 50/60 Hz 20 ... 30 V DC. Fusing: external fusing 4 A. Power consumption: AC: < 5 VADC: < 5 W. Connection: terminals 8-, 9+. Connectable sensor types: NAMUR sensors according to DIN EN 60947-5-6. Open loop voltage: 8.2 V DC. 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: ≥ 20µs. Impedance: 1.2 kΩ. Switching point: high: 16 ... 30 V DC; max.10 mA due to integrated constant current sink; Ri ≅ 3 kΩlow: 0 ... 6 V DC. Input frequency: 0.002 ... 40000 Hz, pulse length/duration: ≥ 12µs. Connection: terminals 7+, 13- sensor supplyterminals 14, 15 NPN/PNP input (galvanically isolated). Connectable sensor types: 2-, 3-, or 4-wire proximity sensor, incremental rotary encoder, or externally generated pulses 16 ... 30 V. Sensor supply: 19 ... 31 V DC non-stabilised; ≤ 30 mA short-circuit protected. Sensor supply: 24 V DC ± 10 %, 30 mA , short-circuit protected. Start-up override: Triggering by external signal 16 ... 30 V or Place jumper between terminals 2/3 or by switching on supply voltage (terminal 2 and terminal 3 permanently bridged). Hold-up time: 0.1 ... 999.9 s (External trigger signal). Relay: 1 changeover contact NO, NC, COM. Contact loading: 250 V AC/2 A/ cos φ ≥ 0.740 V DC/2 A. Delay: ≤ 20 ms (incl. calculation time). Mechanical life: ≥ 20.000.000 switching cycles. Changing interval: 5 ms (Internal processing time). Time delay before availability: ≤ 400 ms. Measuring error: 0 ... 40000 Hz: ≤ ±0,10% Display: ±1 digit. Timer function: ON-delay, OFF-delay, one shot, pulse extension. Time: 0 ... 999.9 s ; mode of operation reversible. Electromagnetic compatibility: acc. to EN 50081-2 / EN 50082-2. Ambient temperature: -25 ... 40 °C (-13 ... 104 °F). Storage temperature: -40 ... 85 °C (-40 ... 185 °F). Relative humidity: max. 80 %, not condensing. Altitude: 0 ... 2000 m. Operating conditions: The device has only to be used in an indoor area.. Connection assembly: Caution: Please be aware that the device may only be connected to a switchable power supply. The switch or circuit breaker must be easy to reach and identified as the separator for the device.. Degree of protection: IP20. Connection: coded, removable terminals , max. core cross section 0.34 ... 2.5 mm2. Construction type: modular terminal housing in Makrolon, System KF For use in the switch cabinet/switch cabinet module. Mounting: snap-on to 35 mm standard rail or screw fixing

Specifications