Anemometer-saving device

  • IAN420-2C Interfaccia protezione anemometri
  • Anemometri
  • Applicazione

Main applications

  1. Wind turbines (recommended for anemometer installations at heights greater than 20m)
  2. Civil and industrial applications (chimneys, road bridges, lighthouse towers, cableways, etc ...)
  3. High altitude anemometric monitoring with ice and snow

 

More information

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Descrption

DESCRIPTION

IAN420-2C is a galvanic isolation interface that connects 2 anemometers (wind speed and direction) to the most common industrial PLCs with voltage or current analog inputs; IAN420-2C is specifically designed by Geoves to solve the typical problems of wind turbines.

Thanks to the internal cpu and the galvanic insulation of the anemometers and power signals coupled with intelligent measurement management, the IAN420-2C is particularly suitable for installations at heights> 20m and in areas exposed to electrostatic and lightning strikes (cableways, lighthouse towers, lattice masts, etc ...). Interfaceable anemometers can have frequency output (speed sensor) and potentiometer (direction sensor); for heated versions in the IAN420-2C interface is integrated a thermostat circuit that activates the anti-ice anemometer heater.

 

ADVANTAGES AND MAIN CHARACTERISTICS

Reliability and minimal maintenance

  • Galvanic insulation and power supply stabilization avoid overvoltages over both the power supply and the signal of anemometers
  • Signal conditioning electronics take place inside the board and not directly in the anemometers: this design assures greater immunity to sensor failures and consequently less interventions on the wind turbine hub (or on the top of the structure where anemometers are installed)
  • IAN420-2C has optical galvanic isolators and a power supply stabilizer / limiter; No other external dischargers or interfaces for anemometers are required
  • Intelligent management of anemometric measurements
  • The integrated cpu allows optimal management of the anemometric measurements, avoiding errors (bending, spikes, etc.) caused by the turbulence created by the passing of wind blades near the sensors

Compatibility

  • The IAN420-2C generates 2 analog outputs available in current 4...20mA or voltage 0...10Vdc compatible with the most common commercial PLCs and industrial datalogger. Other types of outputs (eg 0...5Vdc, 0...20mA, etc ...) are available on request.
  • Standardized Power Supply 12...24Vdc ± 10%

Integrated thermostation

  • The IAN420-2C has a thermostat that automatically controls the heating of the anemometer ice-heater (heated version WS2R and WD2R). This control is carried out by sensing the temperature generated by a Pt1000 sensor integrated in the Geoves anemometers.