AHS-1022

Antenna heating system

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AHS is applied at onshore facilities, as well on sea- and river-going vessels.

The System ensures:

  • automatic heating of antennae installed on open deck to protect them against low temperature using antenna heating units (hereinafter - AHU)
  • main/standby power switching using CSAHS and additional КРs
  • temperature set up and control inside each AHU (dome) using a repeater via digital interface RS-422
  • connection of more than one AHU to one CSAHS applying КР

Maximum number of connected AHUs to one CSAHS – 20 pcs.

Main technical specifications of AHS

Parameter  Value 

Main (standby) electric power supply: voltage, V

frequency, Hz

220

50

Max. power budget, kW 4.4
Operating temperature, °C –52…+60
Limiting temperature, °C –60…+70
Max. maintained temperature inside dome, °С (at ambient temperature –52 °С) –6

  Main technical specifications of AHU

Parameter Value
with dome         w/o dome

Electrical power supply: voltage, V

frequency, Hz

220

50  

Max. power consumption, W

  • AHU-1
  • AHU-2
  • AHU-3

  • 400
  • 600
  • 1000  
Parameter Value
with dome w/o dome
Operating temperature, °C –52…+60
Limiting temperature, °C –60…+70
Protection degree IP56

Weight, kg

  • AHU-1
  • AHU-2
  • AHU-3

  • 7.4
  • 11.4
  • 22.8

  • 6.0
  • 9.3
  • 17.2

Overall dimensions, mm

  • AHU-1
  • AHU-2
  • AHU-3

Ø х V

  • 370.0 х 440.4
  • 700.0 х 770.4
  • 1133.1 х 1238.1

L х H х W

  • 277.0 х 218.0 х 195.0
  • 422.0 х 260.2 х 333.0
  • 462.0 х 428.0 х 299.7

Main technical specifications of CSAHS

Parameter Value
with repeater w/o repeater

Electrical power supply: voltage, V

frequency, Hz

220

50

Max. power consumption, W 5 25
Operating temperature, °C –15…+55
Limiting temperature, °C –60…+70
Protection degree IP56 IP22
Weight, kg 16.6 17.8
Overall dimensions (L х H х W), mm  380 х 190 х 517

Main technical specifications of repeater

Parameter Value
Rated input voltage, V DC 24
Max. power consumption, W 20
Processor ARM Cortex-A8 (AM3359)
Portable memory card, GB 8
RAM, МB 512
Operating temperature, °C –15…+55
Limiting temperature, °C –60…+70
Protection degree IP22
Weight, kg 1.6
Overall dimensions (L х H х W), mm 160.0 х 208.0 х 69.3

Main technical specifications of КР

Parameter Value
Total number of terminals 8
Number of terminals to connect consumers 7
Max. permissible voltage, V 220
Max. permissible current, А 20
Operating temperature, °C –15…+55
Limiting temperature, °C –60…+70
Protection degree IP56
Weight, kg 1.9
Overall dimensions (L х H х W), mm 278 x 148 x 52