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
IP IP 22
Storage temperature -55…+70 °С
Operating temperature -20…+55 °С
Weight max 6 kg
Electrical characteristics
Power supply voltage 18…32 VDC
Max total power consumption of connected selsyns 250 W
Frequency of output AC voltage 50 Hz / 500 Hz
Galvanic isolation from power mains +
Reverse polarity protection +
Overvoltage protection + (fuse)
Characteristics of digital inputs
Number of digital inputs 2 (main, reserve)
Supported interfaces RS-232, RS-422/485
Receive rate up to 115200 bit/s
Optoisolation 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