NPK Morsvyazavtomatica
NPK Morsvyazavtomatica - Marine Electronics
Unicont, Saint-Petersburg


Digital-analogue converter

  • Description
  • Technical specification
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DAC-109 Heading Translator is designed for translation the digital value of the heading got in an NMEA sentence into the synchronization signals required to control the analog repeaters and other autosyn-based devices.
DAC-109 may be used as a digital repeater to display the current heading value.
  • Overall and mounting dimensions
  • Functional scheme
  • Wiring diagram
General characteristics
Overall dimensions 420,8x266x86,5 mm
Ingress protection rating IP 22
Storage temperature -55…+70 °С
Operating temperature -20…+55 °С
Weight not more than 6 kg
Electrical characteristics
Supply voltage 18…32 VDC
Maximum total power consumption of connected synchro or step repeater 250 W
Frequency of the output alternating voltage 50 Hz / 500 Hz
Galvanic isolation +
Reverse polarity protection +
Overvoltage protection + (fuse)
Characteristics of digital Inputs
Number of digital inputs 2 (basic, reserve)
Supported interfaces RS-232, RS-422/485
Speed of data receive up to 115200 bit/s
Otoisolation and galvanic isolation of inputs +
Supported link protocols NMEA 0183 version 1-3
Supported NMEA sentences HDG, HDT, HDM
Characteristics of output ports
Maximum number of connected synchro receivers 8
Types of connected analogue repeaters Synchro/Step