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ADITEL KW910-X2 Manual

Dual resolver to digital interface kw910-x2
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FIRST DRAFT
DUAL RESOLVER TO DIGITAL
INTERFACE KW910-X2
ADITEL MARINE ELECTRONICS

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Summary of Contents for ADITEL KW910-X2

  • Page 1 FIRST DRAFT DUAL RESOLVER TO DIGITAL INTERFACE KW910-X2 ADITEL MARINE ELECTRONICS...

  • Page 2: Technical Manual

    SALES AND SUPPORT LANDWATER MARINE DESIGN AND MANUFACTURE ADITEL MARINE ELECTRONICS Cefn Laboratories Abergavenny Tel 44 (0) 1873 840405. Fax 44 (0) 1873 840106 Email af-aditel @ btinternet.com Web site www.aditel.org.uk Technical manual update 20/02/2005 by the designer, Andrew Fairgrieve...

  • Page 3: Specification

    The interface can convert gyro ratios from 1:1 to 360:1. DIP switches select ratio and small correction value. The KW910-X2 is based on previous highly successful interfaces, made since 1988. SPECIFICATION INPUTS 1 & 2: Resolver 50 to 550 Hz. Reference 4 to 220v. Phases 10 to 90 volts.

  • Page 4: Installation

    The fine ratio resolver is used to indicate the exact heading within one of thirty 12 degree sectors from 000, 012, 024 etc up to 348 degrees. • The 1:1 resolver indicates the sector in which the heading lies. The KW910-X2 assumes the heading derived from the sector is within 6 degrees of the 1:1 angle. •...
  • Page 5 IN - B GND or OUT - A OUT – 0 OUT - B SCREEN POWER & DATA DISTRIBUTION SK13 From KW910-X2 DATA IN A DATA IN B POWER & DATA DISTRIBUTION TO REPEATERS +24volts 0 volts Data A Data 0v...
  • Page 6 POWER & DISTRIBUTION INTERFACE LD2 indicates the 24v nominal power for the repeaters is on. LD1 shows data coming in from the KW910-X2 LD4 is on showing the 5 volts is present for the data output drivers To test each individual output you can connect an LED across pins 3 to 5 of each output terminal.
  • Page 7 CHECKING AGAINST THE GYRO The KW910-X2 is a very high precision device and final heading will be as accurate as the resolver outputs. Make a test at many headings to prove the system. As always, never depend entirely on an electronic aid to navigation.
  • Page 8 The plug-in scaling resistors provide a simple method of coping with different voltage input. The resistance is not critical. The data output from the power and distribution interface have 47 ohm resistors in each output line. They can not burn out even if short circuited, but they will burn out, and the output chips be blown if a high voltage is applied to the output lines.