Koden KGC-222 Service Manual
  1. Manuals
  2. Brands
  3. Koden Manuals
  4. Marine GPS System
  5. KGC-222
  6. Service manual

Koden KGC-222 Service Manual

Gps compass
Hide thumbs Also See for KGC-222:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Operating Manual

Advertisement

Table of Contents
loading

Related Manuals for Koden KGC-222

Summary of Contents for Koden KGC-222

  • Page 2: Document Revision History

    © 2014 Koden Electronics Co., Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, translated in any form by any means without the written permission of Koden Electronics Co., Ltd. The technical descriptions contained in this publication are subject to change without notice. Koden assumes no responsibility for any errors, incidentals or consequential damages caused by misinterpretation of the descriptions contained in this publication.

  • Page 3: Important Notice

     Koden is not liable for any damages caused by earthquake, lightning, wind and flood damage and fire for which Koden is not responsible, and actions by third parties, other accidents, customer’s unintended error/abuse and the use under other abnormal conditions.

  • Page 4: For Your Safe Operation

    When the inside is to be checked, ensure to switch off the power and to discharge the residual voltage for safety. An engineer authorized by Koden shall carry out the inspection and maintenance works.
  • Page 5 In case of failure, please Warning contact Koden’s dealers or Koden. In case of smoking or firing, switch off the power in the boat and of this equipment. It may lead to firing, electric shock or damages.

  • Page 6: Table Of Contents

    KGC-222 Contents Contents Document Revision History ....................i Important Notice ......................ii For Your Safe Operation ....................iii Contents ........................v Introduction ........................vii System Configuration ....................viii System Configuration (with Junction box) ..............ix Pin Assignment of Rear Connector ................. x Connection with Junction box (JB-35) ................

  • Page 7: Contents

    Contents KGC-222 Initialization of KGC-222 is performed..............2-4 Chapter 3 Detail of the serial output data ..........3-1 3.1 Output data format ....................3-1 3.2 Details of the output data format ................3-1 3.3 Output data specification ..................3-1 3.4 Details of output sentences .................

  • Page 8: Introduction

     KGC-222 can also output pitch / roll and heaving data. When KGC-222 is used with an echo sounder with heaving compensation function, you can obtain stable sea bottom without effect from heaves and waves.

  • Page 9: System Configuration

    System Configuration Connection diagram Legend 緊急 GPS antenna GA-12 Standard configuration With Bird protector Option Owner supply Display unit KGC-222 With mounting bracket and vinyl cover CW-392-15M CW-392-15M Software virsion: KBG-3 KM-E34G and after is required. POWER Connector DATA 3 Connector DATA 3 Connector CW-266-1.8M...

  • Page 10: System Configuration (With Junction Box)

    Connection diagram Legend 緊急 GPS Antenna GA-12 Standard configuration With Bird protector Option Owner supply Display unit KGC-222 With mounting bracket and vinyl cover CW-392-15M CW-392-15M Software virsion: KM-E34G and after KBG-3 is required. DATA 3 Connector DATA 3 Connector...

  • Page 11: Pin Assignment Of Rear Connector

    6 +12V (Maximum 300 mA) DATA1/2/3 Connector acceptable: LTWBD-06BFFA-L18 Caution: KGC-222 Compass has 12V power on PIN 6 of each DATA connector. Please pay attention not to accidentally connect 12V to other equipment NMEA input. Equipment damage may occur. For reference:...

  • Page 12: Connection With Junction Box (Jb-35)

    KGC-222 System Configuration Connection with Junction box (JB-35) To extend the ports, connect the junction box (JB-35) to the data connectors as shown in the figure below. Set the DIP switch (S1) as shown in the figure below. Wire the cables with the CW-376-5M (option) as shown in the following color chart.

  • Page 13: Configuration Of Equipment

    Configuration of Equipment KGC-222 Configuration of Equipment Standard Equipment Configuration List Weight/ Name of item Type Remark Length Display unit KGC-222.MU With mounting bracket and 0.87 kg vinyl cover CW-266-1.8M With a 3-pin connector and one 1.8m DC power cable...
  • Page 14 KGC-222 Configuration of Equipment Option List Name of Item Specification Remark Weight/ Length Connecting CW-373-5M 6P water resistant connectors at both cable ends CW-376-5M With 6P water resistant connector and one end plain Junction box JB-35 1 input, 3 outputs with CW-376-5M...

  • Page 15: External View And Dimensions

    External view and dimensions KGC-222 External view and dimensions Display unit: KGC-222.MU Front view Side view Rear view Weight: 0.89kg (With mounting bracket) Unit: mm (inch) 0093822202-01...
  • Page 16 KGC-222 External view and dimensions GPS antenna: GA-12 Weight: 2.2kg (With antenna cables) Unit: mm (inch) 0093822202-01...

  • Page 17: Specifications

    Specifications KGC-222 Specifications Display unit : KGC-222.MU Model GPSantenna : GA-12 Receiving frequency 1575.42MKz±1MHz Receiving channel Parallel 16 channel Sensitivity Better than -130 dBm Setting time 2 minutes (at standard hot-start time) Heading accuracy 1° rms Heading resolution 0.1° Maximum rate of turn 45°/s...

  • Page 18: Chapter 1 Installation

    In order to obtain the maximum performance of the unit, it is necessary to install following below recommendations. 1. Display unit of KGC-222 (1) Install the display in the bridge where it will be easy to see and read. (2) Choose the best location from humidity, spray, rain and direct sunlight.
  • Page 19 Chapter 1 Installation KGC-222 2. GPS antenna: GA-12 To operate the equipment in good order, the following points should be observed for installation of GPS antenna. The GPS antenna GA-12 must be installed where good radio wave reception is achieved. No obstacles should be located above the antenna otherwise the radio wave reception may be interrupted.

  • Page 20: Laying And Connection Of Cable

    KGC-222 Chapter 1 Installation [Scale differs among drawings.] VHF Whip Antenna 4 m or more 4 m or more Loop Antenna 1 m or more Receiving Whip Antenna Inmarsat Antenna 3 m or more HF Whip Antenna GA-12 See NOTE...

  • Page 21: Confirmation After Installation

    Chapter 1 Installation KGC-222 Confirmation after Installation Be sure to confirm the following points before starting up this equipment. The confirmation is mandatory to operate the equipment normally. (1) Is the power voltage in the boat within the appropriate voltage range? Is the current capacity enough? (Voltage Range: 10.8 to 31.2 VDC when measured at the power connector input.)

  • Page 22: Installation Of Display Unit

    Display unit can be installed either on pedestal or flush-mounted. The following points shall be taken into consideration: (1) The KGC-222 has a magnetic backup sensor built in and needs to be installed as far away from other magnetic equipment or ferrous objects as possible, such as compass and others.

  • Page 23: Flush Mounting

    Chapter 1 Installation KGC-222 Caution: In the case of mounting the display unit on the table, some maintenance space is required for cabling, connector access, fuse replacement, fastening of bolts, etc. as shown in the following illustration. Maintenance space Front...

  • Page 24: Antenna Cable Layout Method

    KGC-222 Chapter 1 Installation 1.3 Installation of GPS antenna GA-12 The GPS antenna GA-12 should be installed, as illustrated below, on the keel line with the BOW mark oriented to the ship’s bow. If this is not possible due to the ship’s superstructure, the antenna may be moved in parallel to the keel line.
  • Page 25 Chapter 1 Installation KGC-222 Installation of GPS antenna To attach the GPS antenna, four (4) M8 bolts are used. Referring to the illustration below, make four (4) holes on the cradle, fix the bracket. When the thickness of the bracket is 4 to 5mm, supplied bolts may be used (M8 x 25).

  • Page 26: Angle Compensation Of Antenna

    KGC-222 Chapter 1 Installation Angle compensation of Antenna The GPS antenna should be installed on the keel line with the BOW mark oriented to the ship’s bow. If not, HDG should be compensated. When it is installed with θ° clockwise off, enter a compensation value [-θ] in the “MENU 3, COMPENSATION”.

  • Page 27: Connecting The 60M Antenna Cable Kit Cw-394.Kit To Gps Antenna

    Chapter 1 Installation KGC-222 To prevent the tension hanging over the connector junction, the cable shall be fixed as described in the illustration below. Connector junction Fix the cable by forming a loop on the mast. Connecting the 60m antenna cable kit CW-394.KIT to GPS antenna The optional 60 m length cable kit, CW-394.KIT, is composed of the Antenna cable...

  • Page 28: Installing The Bird Protector To Antenna Unit

    KGC-222 Chapter 1 Installation Installing the bird protector to Antenna unit Sea birds such as seagulls may be the cause of poor reception of the GPS signal when perched on top of the GPS antenna unit. The use of bird protector is recommended to avoid this problem.

  • Page 29: Wiring

    Chapter 1 Installation KGC-222 1.4 Wiring Connect the power cable and cables from the antenna to the connectors on the Display unit. Connect the cables from the external equipments to the DATA connectors on the Display unit. • DATA 3 is for navigational data. Be sure to connect the Plotter or the KBG-3 to DATA 3.
  • Page 30 KGC-222 Chapter 1 Installation Wiring with optional Junction box (JB-35) • Be sure to connect JB-35 to DATA 1. Legend Standard configuration Option Owner supply Software virsion: KM-E34G and after KBG-3 is required. Color tape (BOW side) ANT2 ANT1 DATA3...

  • Page 31: Chapter 2 Maintenance And Troubleshooting

    KGC-222 Chapter 2 Maintenance and Troubleshooting Chapter 2 Maintenance and Troubleshooting 2.1 Inspection The daily maintenance and inspection extends the life of equipment. To always keep the equipment in the best condition, implement periodically the inspection shown in the table below.

  • Page 32: Error Message

    Chapter 2 Maintenance and Troubleshooting KGC-222 Heading bearing is • DATA connector of Display unit • Tighten the connector surely. displayed, may be loose. but heading output • The baud rate output for • Change the baud rate output is not available.
  • Page 33 KGC-222 Chapter 2 Maintenance and Troubleshooting RTC Error **** • Back up of Time Clock • Replace the main PCB failure. (D86-700*) • Consumption of the battery • Replace the battery (BT1). (BT1). (Reference figure below) ANT Error **** • Short-circuits of the antenna •...

  • Page 34: Initialize

    Chapter 2 Maintenance and Troubleshooting KGC-222 2.5 Initialize Initialization of KGC-222 is performed. When some malfunction of Display unit is found, followng initialization procedure may be required. It returns all the settings in the menu to the factory settings. Before initializing please note all system parameters and reset them after initialize.

  • Page 35: Chapter 3 Detail Of The Serial Output Data

    KGC-222 Chapter 3 Detail of the serial output data Chapter 3 Detail of the serial output data 3.1 Output data format Serial data name: NMEA0183 Ver.2.0 3.2 Details of the output data format Data per one byte is as follows:...

  • Page 36: Rate Of Turn

    Chapter 3 Detail of the serial output data KGC-222 Ship’s heading (Magnetic bearing) $ GPHDM, xxx.x, M *hh <CR><LF> Checksum Ship’s Heading Rate of turn $ GPROT, 0/-xxx.x, a *hh <CR><LF> Checksum (-Neg)/ Angular speed, deg/min Status A: Valid V: Void GPS position data $ GP GGA, hhmmss, xxxx.xxx, N/S, xxxxx.xxx, E/W, x, xx,...
  • Page 37 KGC-222 Chapter 3 Detail of the serial output data Available satellite $GPGSV , x , x , xx , xx , xx , xx , xx ,･････････････････ *hh <CR><LF> sv, 3 sv ….. Checksum S/N (Signal to Noise ratio) Azimuth angle...
  • Page 38 Beacon frequency (283.5 ~ 325.0 kHz) S/N ratio (0 ~ 31dB) This field is not used Satellite information (KODEN proprietary sentence) PKODA $ PKODA, P/H, xxx.x, xx, xx, xx, xx, xx, xx, xx, xx, xxx, M, xxx.x, N, xxx.x, PDOP...
  • Page 39 $PKODG, 21 ,xxx.x, +/-xx.x, +/-xx.x, +/-xx.xxx, a *hh <CR><LF> Checksum Status A: Valid V: Void Heaving data Rolling data Pitching data Ship’s Heading Type 16 weather information (KODEN proprietary sentence) PKODQ $ PKODQ, xxxx, x……x, xxx, xxm, xxxxhPa, Wavexxm <CR><LF> Atmospheric Wave height (m) Observation Wind pressure time...

  • Page 40: Chapter 4 Technical References

    KGC-222 Chapter 4 Technical references Chapter 4 Technical references 4.1 Maintenance parts list Maintenance parts list of KGC-222 * “No.” corresponds to “Exploded view of Display Unit, D86BG13021”. Parts Code Name Description Q'ty Remarks 0060772012 PCB assembly D86-700* Main processor...

  • Page 41: Exploded View Drawing

    Chapter 4 Technical references KGC-222 4.2 Exploded view drawing 0093822202-01...

  • Page 42: Block Diagram

    KGC-222 Chapter 4 Technical references 4.3 Block diagram 0093822202-01...

Table of Contents