Koden GPS-20A Installation Manual

Doc No: 0092621642 Document Revision History No. Doc. No-Rev. No. Date revised (Y/M/D) Revised content 0 0092621642-00 2018/12/27 First edition 1 2 3 4 5 6 7 8 9 10 Document No. Revised Version Norm When part of the document needs to be revised, the document has advanced revision number. The document No. is indicated at the lower right side on the cover and at the left or right side of the footer region of each page. © 2018 Koden Electronics Co., Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, translated in any form by any means with ...

ii 0092621642-00 Important Notice  For copy and transcription of this Installation Manual (hereinafter referred to as this manual), permission from Koden is needed. Koden prohibits the un-authorized copy and transcription of this manual.  If this manual is lost or damaged, consult a dealer of Koden or Koden.  The specification of the products and the contents in this manual are subject to change without notice.  The contents displayed on the menu of product may be different from the expression of this manual. The fonts and shapes of the keys and menus in ...

0092621642-00 iii For Your Safe Operation Symbol used in this Installation Manual The following pictograms are used in this manual. The meaning of each symbols shall be well understood and the maintenance and inspection shall be carried out. Symbol Meaning Mark for warning This mark denotes that there is a risk of death or serious injury when dealt with incorrectly. Mark for danger of high voltage This mark denotes that there is a risk of death or serious injury due to electric shock when dealt with incorrectly. Mark for caution This mark denotes that there is a risk ...

GPS-20A MkII iv 0092621642-00 Measures against static electricity Static electricity may be generated from the carpet on the floor in the cabin or clothes made of synthetic fiber, and it may destroy the electronic components on circuit boards. The circuit boards shall be handled with appropriate measures against static electricity. Precautions on handling No disassembly or modification of this equipment is allowed. It may lead to failure, firing, smoking or electric shock. In case of failure, please contact Koden’s dealers or Koden. In case of smoking or firing, switch off the power in the boat and of this equipment. It ma ...

0092621642-00 v Contents Revision History.................................................................................................................................... i Important Notice .................................................................................................................................. ii For your Safe Operation ..................................................................................................................... iii Symbol used in this Instruction Manual ....................................................... ...

sensor, which is ready for the SBAS*1 / MICHIBIKI (Quasi-Zenith Satellite System)*2 service. By simply connecting a power supply to the GPS-20A MkII, highly accurate position data can be quickly supplied to a Plotter or the ship’s navigation devices. GPS (Global Positioning System) is a position measuring system that uses 4 satellites for each of 6 orbits (3 spare), with durations of 11 hours 58 minutes, orbiting approximately 20,000km above the earth. GPS is based on the principle of calculati ...

0092621642-00 vii System Configuration B Type Chart plotter GTD-110/150 GTD-120 Echo sounder CVS-1410 series CVS-FX1/FX2/FX2BB CVS-702D/705D/707D Digital sonar KDS-6000BB KDS-8000BB B Type B Type Marine radar MDC-900 series MDC-2000 series MDC-2200/2500 series MDC-2900 series MDC-5000 series MDC-5200/5500 series MDC-7900 series B Type Echo sounder CVS-126 CVS-128/128B B Type GPS receiver module GPS-20A MkII *denotes cable length of 10m ...

viii 0092621642-00 Configuration of Equipment Standard Equipment Configuration List No. Item Type name Remarks Weight Q’ty 1 GPS Receiver Module GPS-20A MkII Type B Cable: CW-563-3-10M With 6P connector (BD-06BFFA-LL6001) fitted 250 g (Cable not included) 1 2 Installation Manual GPS-20A MkII.IM.E English 1 Option List No. Item Type name Remarks 1 Connector BD-06BFFA-LL6001 6 pin, waterproof type 2 Cable extension kit KBG-3_CABLE-KIT For 15m extension ...

0092621642-00 1-1 Chapter 1 Specification 1.1 Specifications Receive frequency 1575.42MHz±1MHz Receive channels 24 parallel channels Sensitivity -168dBm Positioning accuracy Position GPS: 10m (2drms, SA=OFF, PDOP: 3 or less) SBAS: 7m (2drms, SA=OFF, PDOP: 3 or less) Velocity 1m/sec (rms, SA=OFF, PDOP: 3 or less) Tracking Velocity 972km/h max Accel. Below 1 G Position update interval 1sec. Position fixing time Cold start 35secs (standard value) Differential positioning RX input SBAS (WAAS, MSAS, EGNOS) QZSS (L1S) 1.2 Serial data (1) Format: NMEA-0183 Ver. 2.3 (2) Input data Parameter settings: KODEN private comman ...

GPS-20A MkII 1-2 0092621642-00 (2) Vibration The following levels of vibration can be tolerated with no adverse affect on performance. Ranging from 2~5 Hz to 13.2 Hz, oscillation amount ±1mm ±10% (Maximum rate of 7m/s2 at 13.2 Hz) Maximum acceleration of 7m/s2 between 13.2 Hz and 60 Hz. (3) Water resistance IPX6 standard (IEC 60945) Water resistant type (JISF8001) 1.6 External dimensions and weight Dimensional diagram: Refer to the diagram below Weight: 250g (0.55 lb) (Except cable) Figure 1.1 GPS-20A MkII external dimensions Unit: mm ...

0092621642-00 2-1 Chapter 2 Installation 2.1 Installation precautions The installation of the GPS receiver module should only be carried out by qualified technicians. Installing the GPS receiver module comprises the following actions. (1) Unpacking and inspecting the components. (2) Checking the power supply voltage and current capacity is rated for the GPS receiver module. (3) Determining the installation site. (4) Cable laying. (5) Installing the GPS receiver module. 2.2 Unpacking and inspection of the goods Unpack the contents and check each component against th ...

GPS-20A MkII 2-2 0092621642-00 Table 1 Minimum distances between support struts Object Diameter Minimum distance Support strut 10cm 1.5m Support strut 30cm 3.0m Fig. 2.1 Recommended installation site for the GPS receiver module GPS receiver module Marine electronic display device Wheel House VHF whip antenna Loop antenna INMARSAT antenna HF whip antenna RX whip antenna MF/HF L type RX antenna 4m (min) 1m (min) 5m (min) 4m (min) 1.5m (min) Note: Keep at least 0.5m away from metallic objects. [Not to scale] 4m (min) 3m (min) Note 1m (min) Keep outside of Radar beam (30 to 40 degrees) 1m (min) Radar beam ...

0092621642-00 2-3 2.4 Installation method The following examples show typical installation methods. Installation example 1: The pole used has no screw thread tooled. Fix the GPS20A MkII to the pole using the hose band and tighten firmly. Installation example 2 and 3: The pole used is screw threaded (1-14UNS-2A). In a case when the connecting cable cannot be put through inside the pole, fix the cable at an interval of 30 to 40 cm to the pole using an appropriate tie (See NOTE). NOTE: A plastic tie is subject to deterioration caused by ultraviolet ray, etc. Use a stai ...

GPS-20A MkII 2-4 0092621642-00 Caution: Use of other solvent or anaerobic based-bond may cause cracking of the chassis. Caution: Overtightening of the screw may cause cracking of the chassis. Installation precautions (1) Adhesive plastic sealant or silicone for plastic is recommended for fixing screws. (2) Stroke of screw insertion should be up to 25mm. Installation example 3 Connecting cable Mounting pipe (User supply) Thread: 1-14UNS-2A Thread per 25.4 mm (1 inch): 14 Pitch: 1.8143 mm Thread length: 26 mm Thread diameter: 25.4 mm Pitch diameter: 24.221 mm GPS receiver module ...

0092621642-00 3-1 Chapter 3 Technical References 3.1 Serial input/output data 3.1.1 Input data 3.1.1.1 Various settings X 0000 1 2 3 Baud rate: 4800bps Item to set Header (hex) Setting range Initial setting Geodetic Datum 15 00: WGS-84, 02: TOKYO 00: WGS-84 SBAS setting 18 0:OFF, 2:ON (SBAS), 3:ON (L1S) 2:ON(SBAS) Initialization 1E1E1E 3.1.2 Output data 3.1.2.1 Format NMEA-0183 Ver.2.3 3.1.2.2 Data form One byte of data has the following form. 3.1.2.3 Data configuration Signal speed Output voltage level Output current Output sentence Update rate 4800 Baud RS-422 20mA max GGA+GLL+GSA+R ...

GPS-20A MkII 3-2 0092621642-00 3.1.2.4 Output sentence Note: *hh: Checksum : Carriage return : Line feed GPGGA GPS Positioning Data $ GP GGA, hhmmss, xxxx.xxxx, N/S, xxxxx.xxxx, E/W, x, xx, xxx.x, 0/- xxxx, M, 0/-xxx, M, , *hh GPGLL Geographic position (latitude/longitude) $ GP GLL, xxxx.xx, N/S, xxxxx.xx, E/W, hhmmss, a, a*hh GPGSA GPS DOP and active satellites $ GP GSA, A, x, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, x.x, x.x, x.x *hh GPRMC Recommended minimum specific GPS data $ GP RMC, hhmmss, A, xxxx.xxx, N/S, xxxx.xxx, E/W, xxx.x, xxx.x, xxxxxx, , , *hh Sta ...

0092621642-00 3-3 GPVTG Course over ground and ground speed $ GP VTG, xxx.x, T, , , xxx.x, N, xxx.x, K, a*hh GPZDA Time and Date $ GP ZDA, hhmmss, xx, xx, xxxx, , *hh Sentence type Talker device Cours over Ground true Speed over Ground,kt. Speed over Ground,km/h Mode indicator N：Invalid A：Auto D：DGPS Talker device Sentence type UTC (hr/min/sec) Day: 01 - 31 (UTC) Month: 01 - 12 (UTC) Year: (UTC) ...

GPS-20A MkII 3-4 0092621642-00 3.2 Cable connections and connector pin-outs 3.3 Input/Output circuits 3.3.1 Input circuit Input load: 470 ohm Device: Photo-coupler TLP2362 (Toshiba) 3.3.2 Output circuit Driver: AM26C31I (Texas instruments) Black/Shield Orange Blue White Green Red A/B type DATA IN (+) DATA IN (-) 470 TLP2362 +5V +5V AM26C31I 22 22 DATA OUT (+) DATA OUT (-) 1. DC (-) / shield 2. Data input (+) 3. Data input (-) 4. Data output (+) 5. Data output (-) 6. DC (+) 5 4 3 2 1 6 ...