Rotation Speed Monitor KFU8-DW-1.D

    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
    Period measurement
    Output signal can be inverted
    Display devices can be set between 0.1 ... 2.5 sec.
參數表節選：的技術參數  KFU8-DW-1.D
產品闡述
Rotation Speed Monitor
General specifications
Signal type    Digital Input
Functional safety related parameters
MTTFd    100 a
Supply
Rated voltage    200 ... 230 V AC ; 100 … 130 V AC; 50/60 Hz
20 VDC ... 30 VDC
Fusing    external fusing 4 A
Power consumption    AC: < 5 VA
DC: < 5 W
Input
Connection side    field side
Input 1
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
Input 2
Switching point    high: 16 ... 30 V DC; max.10 mA due to integrated constant current sink; Ri ? 3 kΩ
low: 0 ... 6 V DC
Input frequency    0.002 ... 40000 Hz, pulse length/duration: ≥ 12μs
Connection    terminals 7+, 13- sensor supply
terminals 14, 15 NPN/PNP input (galvanically isolated)
Connectable sensor types    Two, three, or four-wire proximity switch, incremental rotary encoder, or externally generated pulses 16 ... 30 V
Sensor supply    19 ... 28 V DC non-stabilised; ≤ 30 mA short-circuit protected
Input 3
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)
Jumpering time    0.1 ... 999.9 s (External trigger signal)
Output
Connection side    control side
Relay    1 changeover contact
NO, NC, COM
Sensor supply    24 V DC ± 10 %, 30 mA , short-circuit protected
Contact loading    250 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 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
Indicators/settings
Display elements    display , 4-digit, 7-segment red display, 7 mm digit height and LED
LED indication    yellow LED : switching state
Display indication    0.002 ... 9999 Hz or
0,01 ... 9999 min-1
Control elements    Control panel
Configuration    via operating buttons
Labeling    space for labeling at the front
Standard conformity
Electromagnetic compatibility    acc. 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 humidity    max. 80 %, not condensing
Altitude    0 ... 2000 m
Operating conditions    The device has only to be used in an indoor area.
Mechanical specifications
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