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Устройства мониторинга электроэнергии Omron KM50
Яркий дисплей, монтируемый на панель
KM50 может измерять вырабатываемую и потребляемую энергию, ток и напряжение, а также реактивную мощность, реактивную мощность сдвига фаз, коэффициент мощности и частоту.
- Выполняет анализ энергосбережения с помощью встроенной функции классификации энергии.
- Высокоточные измерения даже для токов ниже 5% от номинального значения с помощью автоматического переключения диапазонов.
- Возможность измерять и различать потребленную и вырабатываемую электроэнергию.
- Измерения реактивной мощности и коэффициента мощности.
- Встроенное измерение импульсов и прямое преобразование для измерения КПД управления энергопотреблением (шт. / кВтч).
- Отсутствие необходимости использовать трансформатор напряжения, непосредственное определение напряжения / трансформатор тока с возможностью открывания
- Цветной дисплей
- Система передачи данных Modbus
- Встроенная регистрация данных
Заказная информация
KM50-E Smart power monitor
| Applicable circuits | Power supply voltage (shared) | Dimensions | Communications | Protocol | Order code |
|---|---|---|---|---|---|
| Single-phase, two wire: 100 to 480 VAC Single-phase, three wire: 100/200 VAC Three-phase, three wire: 100 to 480 VAC Three-phase, four wire: 85 to 277 VAC |
100 to 240 VAC | 96 x 48 x 93 (H x W x D) | RS-485 | CompoWay/F: 31 nodes, Modbus: 99 nodes (Both are supported by the same model.) |
KM50-E1-FLK |
CTs
| Rated primary current | Rated secondary current | Installation | Order code |
|---|---|---|---|
| 5 A | Special output | Installed separately | KM20-CTF-5A |
| 50 A | KM20-CTF-50A | ||
| 100 A | KM20-CTF-100A | ||
| 200 A | KM20-CTF-200A | ||
| 400 A | KM20-CTF-400A | ||
| 600 A | KM20-CTF-600A |
CT Cable
| Cable length | Order code |
|---|---|
| 3 m | KM20-CTF-CB3 |
Характеристики
Ratings
| Item | KM50-E | ||
|---|---|---|---|
| Applicable circuit | Single-phase two wire, single-phase three wire, three-phase three wire and three-phase four wire power | ||
| Rated power supply voltage | 100 to 240 VAC, 50/60 Hz | ||
| Allowable supply voltage range | 85% to 110% of rated power supply voltage | ||
| Allowable frequency range | 45 to 65 Hz | ||
| Power consumption | 7 VA max. | ||
| Rated input | Rated input voltage | 100 to 480 VAC (single-phase, 2-wire): Line voltage 100/200 VAC (single-phase, 3-wire): Phase voltage/line voltage 100 to 480 VAC (3-phase, 3-wire): Line voltage 58 to 277 VAC (3-phase, 4-wire): Phase voltage |
|
| Rated input current | 5 A, 50 A, 100 A, 200 A, 400 A, or 600 A (primary current of Special CT) | ||
| Rated frequency | 50/60 Hz | ||
| Rated input power | With 5-A CT: 4 kW With 100-A CT: 80 kW With 400-A CT: 320 kW |
With 50-A CT: 40 kW With 200-A CT: 160 kW With 600-A CT: 480 kW |
|
| Allowable input voltage | 110% of rated input voltage (continuous) | ||
| Allowable input current | 120% of rated input current (continuous) | ||
| Ambient operating temperature | −10 to 55°C (with no condensation or icing) | ||
| Storage temperature | −25 to 65°C (with no condensation or icing) | ||
| Ambient and storage operation humidity | 25% to 85% | ||
| Installation environment | Overvoltage category and measurement category: 2, Pollution level: 2 | ||
Performance
Smart power monitor
| Item | KM50-E | |
|---|---|---|
| Accuracy | Voltage | ±1.0% FS ±1 digit (at ambient temperature of 23°C, rated input, and rated frequency). However, the accuracy is ±2.0% FS ±1 digit for the Vtr line voltage for three-phase, three wire power and the Vrs line voltage for single-phase, three wire power under the same conditions. |
| Current | ±1.0% FS ±1 digit (at ambient temperature of 23°C, rated input, and rated frequency). However, the accuracy is ±2.0% FS ±1 digit for the phase-S current for three-phase, three wire power and the phase-N current for single-phase, three wire power under the same conditions. |
|
| Active power Reactive power |
±2.0% FS ±1 digit (at ambient temperature of 23°C, rated input, rated frequency, and a power factor of 1) Reactive power formula: Reactive power = v x i x sin θ “v” is the instantaneous voltage and “i” is the instantaneous current. θ is the phase difference between the voltage and current. |
|
| Frequency | ±0.3 Hz ±1 digit (at ambient temperature of 23°C, rated input, and rated frequency) | |
| Power factor | ±5.0% FS ±1 digit (at ambient temperature of 23°C, rated input, rated frequency, and power factor = 0.5 to 1 to 0.5) Power factor formula: Power factor = Active power/Apparent power |
|
| Temperature | ±5°C two hours after the power is turned ON (after setting the offset to match the ambient environment) | |
| Communications | Communications method | RS-485 (two wire half-duplex) |
| Sync method | Start-stop | |
| Unit number setting | CompoWay/F: 0 to 99, Modbus: 1 to 99 | |
| Baud rate | 1.2, 2.4, 4.8, 9.6, 19.2, 38.4 kbps | |
| Transmission code | CompoWay/F: ASCII, Modbus: Binary | |
| Data length | 7, 8 bits | |
| Stop bit length | 1, 2 bits | |
| Vertical parity | Even, odd, or none | |
| Maximum transmission distance | 500 m | |
| Maximum number of connected Power Monitors | CompoWay/F: 31, Modbus: 99 | |
CTs
| Item | KM20-CTF-5A | KM20-CTF-50A | KM20-CTF-100A | KM20-CTF-200A | KM20-CTF-400A | KM20-CTF-600A |
|---|---|---|---|---|---|---|
| Rated primary current | 5 A | 50 A | 100 A | 200 A | 400 A | 600 A |
| Secondary winding | 3,000 turns | 6,000 turns | 9,000 turns | |||
| Application frequency | 10 Hz to 5 kHz | |||||
| Insulation resistance | Between output terminal and external case: 50 MΩ min. (at 500 VDC) | |||||
| Dielectric strength | Between output terminal and external case: 2,000 VAC for 1 min | |||||
| Protective element | 7.5 V clamp element | |||||
| Allowable number of connections/disconnections | 100 times | |||||
| Inner diameter | 10 dia. | 16 dia. | 24 dia. | 37 dia. | ||
| Operating temperature and humidity range | −20 to 60°C 85% (with no condensation) | |||||
| Storage temperature and humidity range | −30 to 65°C 85% (with no condensation) | |||||
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