AHM1 Network analyzer

Description: The network analyzer AHM1 is designed to be used for the measurement and calculation of electrical variables such as voltage, current, frequency, power, power factor, energy, harmonic components, etc. Memory of 8 MB incorporated.

2 DIGITAL INPUTS

  • See input state
  • Select tariff (Up to 4 tariff aviable)
  • Pulse counter
  • Maximum demand synchronization

2 CONTACT OUTPUTS

  • Alarms
  • Energy pulses
  • Remote mode

OVERLOAD

  • 2 Vn x 10 s
  • 1,2 Vn permanent
  • 20 In x 1 s
  • 2 In permanent

Connections

Dimensions

  • DIN 96 x 96 mm
  • Memory 8 MB
  • THD on V and I
  • Harmonic RMS (1 – 31)
  • Digital Input/output
  • Maximum demand, A, kW, kVA, kvar
  • Programmable rated V and I
  • 4 quadrant measurement
  • RS-485 port
  • Maximum and minimum values
  • Ethernet TCP-IP (optional)

INPUT

  • Rated voltage (Un): 3 x 400 / 690 V AC
    Overload: 1,2 Un
  • Impedance: > 1MΩ
  • Rated current (In): 1 A and 5 A
  • Overload continuous: 2 In
  • Overload instantaneous: 10 In /5s or 20 In /1s
  • Burden: < 0,1 VA
  • Rated value: < 20 mΩ

AUXILIARY VOLTAGE

  • Aux. V AC/DC: 80 – 270 V
  • Burden: < 10 VA

OUTPUT

  • Relay output: 250 V /5A AC, 30 V /5A DC
  • Isolation: 2500 V AC
  • Energy pulse width: 80 ± 20% ms
  • RS-485 port: Modbus- RTU
  • Baud rate: Up to 38400 bps programmable
  • Connection: 2 wires
  • Ethernet port: TCP Modbus