«NPK Morsvyazavtomatiсa»
Course Translator


Course Translator

  • Description
  • Specifications
  • Files
  • Support
  • Where to buy
The DAC-109 is designed to convert digital course data received in the NMEA sentences into the synchrosignals required to control analog repeaters and other selsyn-based devices.
The unit may be used as a digital repeater to display the current course data.



Electrical specifications

Input voltage, V DC

24 (18…36)*


reverse polarity

Output voltage, V AC

Vref** – 120

Max. total power consumed by connected selsyns, W


Maximum number of connected synchro-receivers

8 (through КР-124)

Frequency of output voltage, Hz

50 or 500

Types of connected analog repeaters

synchro / step

LCD specifications

Type of display

symbol (16 symbols×2 lines)

Displayed data

– received heading value from NMEA signal source;– current position of analog repeaters (converted heading value)


Type of keyboard


Number of keys

12 (4×3)


Sound alarm  if NMEA signal is absent on the main channel

Visual alarm if NMEA signal is absent on the main channel (on the LCD)

Output to connect external alarm unit AU-106

 «Alarm» output specifications

Output type

closing (opening) of dry contacts

Maximum voltage supplied to «Alarm» output, V


Max. permissible current, passing through «Alarm» contacts, А


Possible reasons for alarm actuation

– NMEA signal is absent on the main channel,

– input power supply is absent

Operating specifications

Operating temperature, °C


Limiting temperature, °C


Protection degree


* The range of power supply voltage is represented in brackets.

** Electric voltage relative to which another voltage is counted.