KFU8-DW-1.D Rotation Speed Monitor

Teknik Veriler

MTTF d

100 a

Rated voltage

U r 196 ... 250 V AC , 98 ... 127 V AC , 50/60 Hz 20 ... 30 V DC

Fusing

external fusing 4 A

Power consumption

AC: < 5 VA DC: < 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

Sensor supply

19 ... 31 V DC non-stabilised; ≤ 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 ≥ 0.7 40 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