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
Period measurement
Output signal can be inverted
Display devices can be set between 0.1 ... 2.5 sec.
Datasheet excerpt: Technical data of KFU8-DW-1.D
| Product Description |
|---|
| Rotation Speed Monitor |
| 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 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) | |
| Hold-up time | 0.1 ... 999.9 s (External trigger signal) | |
| Output | ||
| 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 | |
| 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 | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210904 |
| ECLASS 12.0 | 27210904 |
| ECLASS 11.0 | 27210904 |
| ECLASS 10.0.1 | 27210904 |
| ECLASS 9.0 | 27210904 |
| ECLASS 8.0 | 27210904 |
| ECLASS 5.1 | 27210904 |
| ETIM 9.0 | EC002918 |
| ETIM 8.0 | EC002918 |
| ETIM 7.0 | EC002918 |
| ETIM 6.0 | EC002918 |
| ETIM 5.0 | EC002475 |
| UNSPSC 12.1 | 39121007 |
