Overspeed/Underspeed Monitor KFU8-DW-1.D
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- Speed monitoring до 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.
Технические характеристики: KFU8-DW-1.D
| Описание | ||
| Overspeed/Underspeed Monitor | ||
| Показатели надежности и наработки на отказ | ||
| MTTFd | 100 a | |
| Supply | ||
| Rated voltage | 196 ... 250 V AC - 98 ... 127 V AC- 47 ... 63 Hz 20.4 ... 28 V DC | |
| Fusing | external fusing 4 A | |
| Потребляемая мощность | AC: < 5 VA DC: < 5 W | |
| Индикаторы состояния и их значение | ||
| Type | 4-digit, 7-segment red display, 7 mm digit height | |
| Display interval | 0.002 ... 9999 Hz or 0.01 ... 9999 min-1 | |
| Parameter assignment | keypad-driven menu | |
| Switching state | желтый светодиод, 3 mm | |
| Input 1 | ||
| Подключение | 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 приблизительно 0.2 mA | |
| Input frequency | 0.002 ... 10000 Hz, pulse length/duration: &ge- 20µ-s | |
| Электрическое сопротивление | 1.2 k&Omega- | |
| Input 2 | ||
| Switching point | high: 16 ... 30 V DC- max.10 mA due to integrated constant current sink- Ri &cong- 3 k&Omega- low: 0 ... 6 V DC | |
| Input frequency | 0.002 ... 40000 Hz, pulse length/duration: &ge- 12µ-s | |
| Подключение | terminals 7+, 13- sensor supply terminals 14, 15 NPN/PNP input (гальваническая изоляция) | |
| 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- &le- 30 mA защита от короткого замыкания | |
| 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) | |
| Выход | ||
| Relay | 1 changeover contact NO, NC, COM | |
| Sensor supply | 24 V DC ±- 10 %, 30 mA , защита от короткого замыкания | |
| Contact loading | 250 V AC/2 A/ cos &phi- &ge- 0.7 40 V DC/2 A | |
| Delay | &le- 20 ms (incl. calculation time) | |
| Mechanical life | &ge- 30.000.000 switching cycles | |
| Transfer characteristics | ||
| Time delay before availability | &le- 400 ms | |
| Measuring error | 0 ... 40000 Hz: &le- ±-0,10% Display: ±-1 digit | |
| Timer function | ON-delay, OFF-delay, one shot, pulse extension | |
| Time | 0 ... 999.9 s - mode of operation reversible | |
| Соответствие стандартам | ||
| Electromagnetic compatibility | acc. to EN 50081-2 / EN 50082-2 | |
| Условия окружающей среды | ||
| Рабочая температура окружающей среды | -25 ... 50 °C (-13 ... 122 °F) | |
| Температура хранения устройства | -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. | |
| Физические/механические параметры | ||
| Стандарты защищенности | IP20 | |
| Подключение | coded, removable terminals , max. core cross-section 0.34 ... 2.5 mm2 | |
| Construction type | modular terminal housing in Makrolon, System KF | |
| Mounting | Snap onto 35 mm standard rail compliant with DIN EN 50022 or Screw fastening using slide-on straps in a 90 mm net | |
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