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KFU8-DW-1.D – Pulse Counter Units and Displays – PEPPERL+FUCHS Displays and Signal Processing

USD $ 332.22

SKU: KFU8-DW-1.D

Sensors used in the automation industry transmit a wide range of digital and analog signals. In many counting and control processes, these signals need to be clearly displayed, monitored, or processed. To help you find the perfect solution for such applications, we offer a wide range of counters, process displays, signal converters, and switch amplifiers that are all optimized for use with our sensors. The user-friendliness and durability of our products is always a priority at Pepperl+Fuchs.

Functional safety related parameters
MTTFd100 a
Supply
Rated voltage200 … 230 V AC ; 100 … 130 V AC; 50/60 Hz
20 VDC … 30 VDC
Fusingexternal fusing 4 A
Power consumptionAC: < 5 VA
DC: < 5 W
Input 1
Connectionterminals 8-, 9+
Connectable sensor typesNAMUR sensors according to DIN EN 60947-5-6
Open loop voltage8.2 V DC
Short-circuit current6.5 mA
Switching point1.2 … 2.1 mA Switching hysteresis approx. 0.2 mA
Input frequency0.002 … 10000 Hz, pulse length/duration: ≥ 20µs
Impedance1.2 kΩ
Input 2
Switching pointhigh: 16 … 30 V DC; max.10 mA due to integrated constant current sink; R≅ 3 kΩ
low: 0 … 6 V DC
Input frequency0.002 … 40000 Hz, pulse length/duration: ≥ 12µs
Connectionterminals 7+, 13- sensor supply
terminals 14, 15 NPN/PNP input (galvanically isolated)
Connectable sensor typesTwo, three, or four-wire proximity switch, incremental rotary encoder, or externally generated pulses 16 … 30 V
Sensor supply19 … 28 V DC non-stabilised; ≤ 30 mA short-circuit protected
Input 3
Start-up overrideTriggering 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 time0.1 … 999.9 s (External trigger signal)
Output
Relay1 changeover contact
NO, NC, COM
Sensor supply24 V DC ± 10 %, 30 mA , short-circuit protected
Contact loading250 V AC/2 A/ cos φ ≥ 0.7
40 V DC/2 A
Delay≤ 20 ms (incl. calculation time)
Mechanical life≥ 30.000.000 switching cycles
Transfer characteristics
Changing interval5 ms (Internal processing time)
Time delay before availability≤ 400 ms
Measuring error0 … 40000 Hz: ≤ ±0,10%
Display: ±1 digit
Timer functionON-delay, OFF-delay, one shot, pulse extension
Time0 … 999.9 s ; mode of operation reversible
Standard conformity
Electromagnetic compatibilityacc. to EN 50081-2 / EN 50082-2
Ambient conditions
Ambient temperature-25 … 40 °C (-13 … 104 °F)
Storage temperature-40 … 85 °C (-40 … 185 °F)
Relative humiditymax. 80 %, not condensing
Altitude0 … 2000 m
Operating conditionsThe device has only to be used in an indoor area.
Mechanical specifications
Connection assemblyCaution: 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 protectionIP20
Connectioncoded, removable terminals , max. core cross section 0.34 … 2.5 mm2
Construction typemodular terminal housing in Makrolon, System KF
For use in the switch cabinet/switch cabinet module
Mountingsnap-on to 35 mm standard rail or screw fixing

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