KM-N3

Особенности

Многоканальное компактное устройство контроля мощности для монтажа в панель

  • Разрабатываем технологии контроля мощности более 20 лет 
  • Компактное многоканальное устройство (до 4 цепей измерения на один модуль) 
  • Одна модель для разных типов линий и напряжений — упрощение проектирования, монтажа и ввода в эксплуатацию 
  • Класс точности 0.5S по IEC 62053-22 
  • Технология Push-in plus — простое и удобное подключение проводов 
  • Индикация неправильного подключения 
  • ЖК-дисплей с крупными, хорошо читаемыми цифрами белого и зеленого цвета 
  • Монтаж на панель 
  • Измерение мощности в двух направлениях
Характеристики и информация для заказа

Ordering Information

Power Monitor

Applicable circuits and rated voltage

Power supply voltage

Dimensions (W×H×D)

Communications

Order Code

Single-phase, 2-wire:
100 to 277 VAC

Single-phase, 3-wire:
100 to 240 VAC (L-N) or 200 to 480 VAC (L-L)

Three-phase, 3-wire:
173 to 480 VAC (L-L)

Three-phase, 4-wire:
100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)

100 to 240 VAC
Separate from measurement voltage.

96 × 96 × 64 mm
(excluding protrusions)

RS-485 communications,
pulse output

KM-N3-FLK

Note: To use a commercially available current transformer, use a CT with a secondary current rating of 1 A or 5 A, and a rated load of at least 1.0 VA.

Specifications

Ratings

Applicable phase wiring methods

Single-phase two-wire, single-phase three-wire, three-phase three-wire, and three-phase four-wire

Number of measured circuits

Single-phase two-wire: 4 circuits max., Single-phase three-wire or three-phase three-wire: 2 circuits max.,
Three-phase four-wire: 1 circuit

Power supply voltage (operating frequency)

100 to 240 VAC (50/60 Hz)

Power supply allowable voltage range

85% to 110% of rated power supply voltage

Power consumption

7 VA max.

Input

Rated input voltages

Single-phase, 2-wire: 100 to 277 VAC

Single-phase, 3-wire: 100 to 240 VAC (L-N) or 200 to 480 VAC (L-L)

Three-phase, 3-wire: 173 to 480 VAC (L-L)

Three-phase, 4-wire: 100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)

Allowable supply voltage range

85% to 115% of rated power supply voltage

Connectable CTs

General-purpose CT with a rated secondary current of 1 A or 5 A1

Maximum CT secondary current

6 A

Rated input frequency

50/60 Hz

Ambient operating temperature

–25 to 55°C (with no condensation or icing)

Ambient operating humidity

25% to 85%

Storage temperature

–25 to 85°C (with no condensation or icing)

Storage humidity

25% to 85%

Operating altitude

2,000 m max.

Installation environment

Overvoltage category II, measurement category II, pollution degree 2

Electromagnetic environment

Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)

Compliant standards

EN 61010-2-030, EN 61326-1, and UL 61010-1

Performance

Measured items

Energy consumption (active, regenerative, and reactive), power (active and reactive), current, voltage, power factor, and frequency

Measurement specifications

Active power

0.5% (IEC 62053-22 class 0.5S2

Reactive power

2% (IEC 62053-23 class 2)1

Sampling cycle

80 ms for 50 Hz and 66.7 ms for 60 Hz

Insulation resistance

(1) Between all electrical circuits and the case: 20 MΩ min. (at 500 VDC)

(2) Between all power supply and voltage inputs and all communications and pulse output terminals: 20 MΩ max. (at 500 VDC)

Dielectric strength

(1) Between all electrical circuits and the case: 1,400 VAC for 1 min

(2) Between all voltage and current inputs and all communications and pulse output terminals: 2,200 VAC for 1 min

Vibration resistance

Single amplitude: 0.1 mm, Acceleration: 15 m/s², Frequency: 10 to 150 Hz, 10 sweeps for 8 min each along three axes

Shock resistance

150 m/s², 3 times each in 6 directions (up/down, left/right, forward/backward)

Indications and operation method

LCD indications and operation buttons

Weight

Approx. 350 g (Power Monitor only)

Degree of protection

Front: IP65, Rear case: IP20, Terminal: IP00

Pulse output

Number of outputs

Number of outputs: 4 (photoMOS relay outputs)
Used for the total power consumption pulse output.

Output capacity

50 mA at 40 VDC

ON residual voltage: 1.5 V max. (for output current of 50 mA)

OFF leakage current: 0.1 mA max.

Output unit

Output unit: 1, 10, 100, 1k, 5k, 10k, 50k, or 100k (wh)

Pulse ON time: 500 ms (Cannot be changed.)

Communications interface

Communications method

RS-485 (2-wire half-duplex with start-stop synchronization)

Communications protocol

Modbus (RTU): Binary. CompoWay/F: ASCII

Baud rate

1.2, 2.4, 4.8, 9.6, 19.2, or 38.4 kbps

Data length

Data length: 7 or 8 bits

Stop bits: 1 or 2 bits

Vertical parity: Even, odd, or none

Maximum transmission distance

1,200 m

Maximum number of connected Power Monitors

Modbus: 99, CompoWay/F: 31

If you measure more than one circuit with one Power Monitor, the number of circuits is treated as the number of connected Power Monitors.

Dimensions (W×H×D)

96 × 96 × 64 mm (excluding protrusions)

Installation method

On-panel installation

Accessories

Instruction Manual and Compliance Sheet, Mounting adapter and waterproof packing


1. The KM-series CTs (the KM20-CTF Series) cannot be used. Use general-purpose CTs with a secondary-side output of 1 A or 5 A.

2. The error of the CT or VT is not included. IEC 62053 is an international standard for power metering.

1. The KM-series CTs (the KM20-CTF Series) cannot be used. Use general-purpose CTs with a secondary-side output of 1 A or 5 A.

2. The error of the CT or VT is not included. IEC 62053 is an international standard for power metering.

Загрузка

Брошюры

Показать все Брошюры

Спецификации

Показать все Спецификации

Технические руководства

Показать все Технические руководства

Подписаться на новости и обновления о продуктах

Подпишитесь на новостную рассылку и получайте новости о разработках продукции, решениях и услугах прямо на свой почтовый ящик.

Благодарим Вас за подписку на Omron eNews. В ближайшее время на электронный адрес, который Вы указали при регистрации, будет выслано уведомление о подтверждении подписки. Чтобы подтвердить подписку, проследуйте указанной в письме ссылке. Данная процедура необходима для соблюдения существующих правовых норм и в целях предотвращения возможного злоупотребления Вашим электронным адресом третьими лицами.

Возникли технические проблемы. Ваша форма не была отправлена. Примите наши извинения и повторите попытку позже. Детали: [details]

Download

Техническая документация

Загрузить даташиты, руководства и брошюры.

Перейти на страницу загрузки

Обучающие курсы

Пройти обучающие курсы от наших лучших специалистов. От начального до продвинутого уровня.

Просмотреть обучающие курсы