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® ®
GPS200
GPS Antenna/Receiver
User’s Manual
Revision 1.2
Copyright © 2012 Maretron, LLP All Rights Reserved
Maretron, LLP
rd
9014 N. 23 Ave #10
Phoenix, AZ 85021-7850
http://www.maretron.com
Maretron Manual Part #: M002501
Revision 1.2 Page i
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GPS200 User’s Manual Revision History Revision Description 1.0 Initial Revision 1.1 Corrected address in Section 7 1.2 Added prohibition of red Loctite threadlocking compound and cleaning agents containing acetone Page ii Revision 1.2
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® ® Table of Contents 1 Introduction ....................................................................................................................... 1 1.1 Firmware Revision .................................................................................................... 1 1.2 GPS200 Features ..................................................................................................... 1 2 Installation ..........................................................
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GPS200 User’s Manual This page intentionally left blank. Page iv Revision 1.2
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® ® 1 Introduction Congratulations on your purchase of the Maretron GPS200 GPS Antenna/Receiver. Maretron has designed and built your GPS200 to the highest standards for years of reliable, dependable, and accurate service. The Maretron GPS200 is designed to operate within the harsh demands of the marine environment. However, no piece of marine electronic equipment can function properly unless installed and maintained in the correct manner. Please read carefully and follow these
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GPS200 User’s Manual 1. Level with the earth’s horizontal plane – This gives the GPS200 antenna the optimal view of satellites from all directions. 2. High Enough to have a clear view of the sky to the horizon in all directions unblocked by masts or antennas – The GPS200 provides the best readings when it has access to as many satellites as possible. 3. As far as possible from VHF, satellite, or radar antennas – Radio frequency transmissions from these antennas can interfere with the
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® ® Figure 1 – Mounting the GPS200 to a flat surface 2.3.2 Mounting the GPS200 to a Standard Marine Pole Mount Screw the included GPS200 antenna mount base to the standard marine mount. Thread the ® NMEA 2000 cable through the standard marine mount and the antenna mount base from the bottom out through the top and connect it to the GPS200 unit (see Section 2.4 below). Finally, attach the GPS200 to the antenna mount base using the included brass mounting screws and lock washers as sh
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GPS200 User’s Manual 2.4 Connecting the GPS200 ® The Maretron GPS200 provides a connection to an NMEA 2000 interface through a connector that can be found on the bottom of the device (see Figure 3). ® NMEA 2000 Connector Figure 3 – GPS200 Interface Connector ® The NMEA 2000 connector is a five pin male connector (see Figure 4). You connect the ® ® GPS200 to an NMEA 2000 network using a Maretron NMEA 2000 cable (or compatible cable) by connecting the female end of the cable t
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® ® ® Figure 4 – NMEA 2000 Connector Face Views 2.4.1 Checking Connections ® Once the NMEA 2000 connection to the Maretron GPS200 has been completed, check to see that GPS information is being properly transmitted by observing an appropriate display. Refer to Section 5, “Troubleshooting”, if no GPS information appears. 3 Operation As shipped from the factory, the GPS200 automatically provides position, time, SOG, COG, magnetic variation, and satellite information and requires no
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GPS200 User’s Manual These parameters may be configured using a Maretron display (DSM250), or the parameters ® can be configured using a Maretron NMEA 2000 /USB gateway (USB100) and Maretron’s N2KAnalyzer software. ® Users with direct access to the NMEA 2000 interface may configure these parameters directly ® through the NMEA 2000 interface. Please refer to Appendix A for a description of the NMEA ® 2000 messages used to configure these parameters. 3.1 Magnetic Variation Magneti
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® ® • Clean the unit with a soft cloth. Do not use chemical cleaners as they may remove paint or markings or may corrode the GPS200 enclosure or seals. Do not use any cleaners containing acetone, as they will deteriorate the plastic enclosure. • Ensure that the unit is mounted securely and cannot be moved relative to the mounting surface. If the unit is loose, tighten the mounting screws. ® • Check the security of the cable connected to the NMEA 2000 interface and tighten if nece
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GPS200 User’s Manual 5 Troubleshooting If you notice unexpected operation of the Maretron GPS200, follow the troubleshooting procedures in this section to remedy simple problems. Symptom Troubleshooting Procedure No data output Check the connections to the NMEA ® 2000 connector and tighten if necessary Ensure that power is supplied to the ® connected NMEA 2000 cable Ensure that the GPS200 has a clear view to the horizon in all directions Ensure that no VHF, satellite, or
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® ® 6 Technical Specifications Specifications Parameter Value Comment Position Accuracy (Autonomous) <3m 2D RMS (95% of Data Falls Within 10m) Position Accuracy (WAAS) <2.5m 2D RMS (95% of Data Falls Within 3m) Channels 32 Simultaneous Tracking of 32 Satellites Tracking Sensitivity -159dBm Position Update Rate 5 per Second 5 Hz Position Fix Calculation Rate Speed Update Rate 4 per Second Time Update Rate 1 per Second Hot Start 1 Seconds Start Within Hours of Last Power Down Wa
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GPS200 User’s Manual Electrical Parameter Value Comment Operating Voltage 9 to 16 Volts DC Voltage Power Consumption <100mA Average Current Drain ® Load Equivalence Number (LEN) 2 NMEA 2000 Spec. (1LEN = 50 mA) Reverse Battery Protection Yes Indefinitely Load Dump Protection Yes Energy Rated per SAE J1113 Mechanical Parameter Value Comment Size 4” Diameter x 1.65” Tall Not Including Antenna Mount Base Weight 6 oz. Not Including Antenna Mount Base Mounting Deck or Pole Env
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® ® 8 Installation Template Please check the dimensions before using the following diagram as a template for drilling the mounting holes; the printing process may have distorted the dimensions. 2.11” Figure 5 – Horizontal Mounting Surface Template Revision 1.2 Page 11
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GPS200 User’s Manual 9 Maretron (2 Year) Limited Warranty Maretron warrants the GPS200 to be free from defects in materials and workmanship for two (2) years from the date of original purchase. If within the applicable period any such products shall be proved to Maretron’s satisfaction to fail to meet the above limited warranty, such products shall be repaired or replaced at Maretron’s option. Purchaser's exclusive remedy and Maretron’s sole obligation hereunder, provided product is r
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® ® ® Appendix A – NMEA 2000 Interfacing ® GPS200 NMEA 2000 Periodic Data Transmitted PGNs PGN 126992 – System Time The GPS200 uses this PGN to provide a regular transmission of UTC time and date and to provide synchronism for measurement data. The factory default for periodic transmission rate is once per second. The transmission of this PGN can be disabled or the transmission rate of this PGN can be changed (see PGN 126208 – NMEA Request Group Function – Transmission Periodic R
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GPS200 User’s Manual The GPS200 uses this PGN to provide latitude and longitude referenced to WGS84. The factory default for periodic transmission rate is 10 times per second. The transmission of this PGN can be disabled or the transmission rate of this PGN can be changed (see PGN 126208 – NMEA Request Group Function – Transmission Periodic Rate). -7 Field 1: Latitude – Latitude in 1x10 degrees ("-" = south, “+” = north) -7 2: Longitude – Longitude in 1x10 degrees ("-" = west, “+” =
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® ® -16 4: Latitude – Latitude in 1x10 degrees ("-" = south, “+” = north) -16 5: Longitude – Longitude in 1x10 degrees ("-" = west, “+” = east) -6 6: Altitude – Altitude referenced to WGS-84 in (resolution of 1x10 m) 7: Type of System – This field is used to indicate type of GPS system. The GPS200 will show either 0 (GPS) or 3 (GPS+SBAS, factory default) dependent on whether the user has enabled SBAS. 8: Method, GNSS – This field is used to indicate the quality of GNSS informati
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GPS200 User’s Manual 4: Reserved (2 bits) – This field is reserved by NMEA; therefore, this field always contains a value of 0x3 (the GPS200 sets all reserved bits to a logic 1) 5: HDOP – This field is used to indicate the horizontal dilution of precision with a -2 resolution of 1x10 (unitless). 6: VDOP – This field is used to indicate the vertical dilution of precision with a -2 resolution of 1x10 (unitless). 7: TDOP – This field is used to indicate the time dilution of precision
