Rotation Speed Monitor KFU8-DW-1.D
Published on : Tuesday 30-11--0001
- 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.
Product Description
Rotation Speed Monitor
Functional safety related parameters
MTTFd100 a
Supply
Rated voltage |
200 ... 230 V AC ; 100 … 130 V AC; 50/60 Hz |
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Fusing |
external fusing 4 A |
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Power consumption |
AC: < 5 VA |
Indicators/operating means
Type |
4-digit, 7-segment red display, 7 mm digit height |
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Display interval |
0.002 ... 9999 Hz or |
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Parameter assignment |
keypad-driven menu |
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Switching state |
LED yellow, 3 mm |
Input 1
Connection |
terminals 8-, 9+ |
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Connectable sensor types |
NAMUR sensors according to DIN EN 60947-5-6 |
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Open loop voltage |
8.2 V DC |
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Short-circuit current |
6.5 mA |
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Switching point |
1.2 ... 2.1 mA Switching hysteresis approx. 0.2 mA |
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Input frequency |
0.002 ... 10000 Hz, pulse length/duration: ≥ 20µs |
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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 |
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Input frequency |
0.002 ... 40000 Hz, pulse length/duration: ≥ 12µs |
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Connection |
terminals 7+, 13- sensor supply |
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Connectable sensor types |
Two, three, or four-wire proximity switch, incremental rotary encoder, or externally generated pulses 16 ... 30 V |
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Sensor supply |
19 ... 28 V DC non-stabilised; ≤ 30 mA short-circuit protected
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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) |
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Jumpering time |
0.1 ... 999.9 s (External trigger signal) |
Output
Relay |
1 changeover contact |
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Sensor supply |
24 V DC ± 10 %, 30 mA , short-circuit protected |
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Contact loading |
250 V AC/2 A/ cos φ ≥ 0.7 |
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Delay |
≤ 20 ms (incl. calculation time) |
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Mechanical life |
≥ 30.000.000 switching cycles |
Transfer characteristics
Changing interval |
5 ms (Internal processing time) |
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Time delay before availability |
≤ 400 ms |
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Measuring error |
0 ... 40000 Hz: ≤ ±0,10% |
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Timer function |
ON-delay, OFF-delay, one shot, pulse extension |
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Time |
0 ... 999.9 s ; mode of operation reversible |
Standard conformity
Electromagnetic compatibility acc. to EN 50081-2 / EN 50082-2
Ambient conditions
Ambient temperature |
-25 ... 40 °C (-13 ... 104 °F) |
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Storage temperature |
-40 ... 85 °C (-40 ... 185 °F) |
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Relative humidity |
max. 80 %, not condensing |
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Altitude |
0 ... 2000 m |
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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. |
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Degree of protection |
IP20 |
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Connection |
coded, removable terminals , max. core cross section 0.34 ... 2.5 mm2 |
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Construction type |
modular terminal housing in Makrolon, System KF |
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Mounting |
snap-on to 35 mm standard rail or screw fixing |
It is used in Electrical, Oil And Gas, Chemical Industries.
Pepperl & Fuchs (India) Pvt. Ltd. Tel:+91 80 33526000 Email: [email protected]