KM-N2

Več zančna kompaktna enota za nadzor energije

  • Kompaktna zasnova z več zančnim nadzorom (do 4 tokokrogi)
  • IEC 62053-22 z razredom natančnosti 0,5 S
  • Enostavno žičenje
  • Avtomatska LED indikacija in alarm v primeru napačnega žičenja
  • Velik in dobro berljiv prikazovalnik (LCD)
  • Montaža na DIN letev

Opis

Podatki za naročilo

Applicable circuits and rated input 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:
100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)
Three-phase, 4-wire:
100 to 277 VAC (L-N) or 173 to 480 VAC (L-L)

Rated input voltage 85 to 115%

90 × 65 × 90 mm

RS-485, Modbus (RTU) or
CompoWay/F

KM-N2-FLK

Tehnični podatki

Ratings

Applicable circuits

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

Maximum number of measured circuits

Single-phase two-wire: 4 circuits, single-phase three-wire or three-phase three-wire: 2 circuits, three-phase four-wire: 1 circuit

Rated input voltages (power supply 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: 100 to 277 VAC (L-N) or 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 and input voltage range

85% to 115% of rated power supply voltage

Power consumption

7 VA max.

Input current (CT2 primary-side current)

General-purpose CT: 1 A or 5 A

Rated load: 0.5 VA min.

Rated input frequency

50/60 Hz

Allowable input current

6 A max.

Ambient operating temperature

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

Storage temperature

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

Ambient and storage humidity

25% to 85%

Operating altitude

2,000 m max.

Installation environment

Overvoltage category II, pollution degree 2, measurement category II

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

Measurement specifications

Active power

IEC 62053-22 class 0.5S (Accuracy ±0.5% F.S. ±1 digit)

Reactive power

IEC 62053-23 class 2 (Accuracy ±2% F.S. ±1 digit)

Sampling cycle

80 ms for 50 Hz and 66.7 ms for 60 Hz

Measured parameters

  • Active Energy import and export
    [kWh], bi-directional active power [kW], current [A] and voltage [V] for each individual phase, frequency [Hz], power factor, bi-directional reactive power [kVAR], reactive energy import and export [kVARh]

Insulation resistance

  • Between all electrical circuits and the case: 20 MΩ min. (at 500 VDC)
  • Between all power supply and voltage inputs and all communications and pulse output terminals:: 20 MΩ max. (at 500 VDC)

Dielectric strength

  • Between all electrical circuits and the case: 2,200 VAC for 1 min
  • 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/s 2 , Frequency: 10 to 150 Hz, 10 sweeps for 8 min each along three axes

Shock resistance

150 m/s 2 , 3 times each in 6 directions (up/down, left/right, forward/backward)

Weight

Approx. 350 g (Power Monitor only)

Degree of protection

IP20

Installation method

DIN Rail mounting

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

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