PC/SeaTalk/NMEA Interface Box Owner’s Handbook Document number: 81166-3 Date: 1 February 2002 166_3cov.
Copyright © Raymarine Limited 2002 166_3cov.
Operation and Installation 1 Contents Chapter 1: Introduction .......................................... 3 Chapter 2: Mounting ............................................... 4 Chapter 3: Operation/Wiring ................................. 6 3.1 NMEA Output 6 3.2 NMEA Input 9 3.3 Main Alarm 12 3.4 Connecting to a Personal Computer 14 3.5 Connecting to a PC with RayTech Navigator 19 Chapter 4: Fault Finding ....................................... 20 166_3chs.
2 PC/SeaTalk/NMEA Interface Box EMC Conformance All Raymarine equipment and accessories are designed to the best industry standards for use in the leisure marine environment. The design and manufacture of Raymarine equipment and accessories conform to the appropriate Electromagnetic Compatibility (EMC) standards, but correct installation is required to ensure that performance is not compromised. 166_3chs.
Operation and Installation 3 Chapter 1: Introduction SeaTalk is the language used by Raymarine products to share information. This is unique to Raymarine. The PC/SeaTalk/NMEA Interface, by providing conversion between SeaTalk, RayTech PC and NMEA 0183 data formats, allows operation with other manufacturer's equipment and with PCs.
4 PC/SeaTalk/NMEA Interface Box Chapter 2: Mounting Select a suitable location that is: • away from direct contact with water • clean and grease-free • accessible for cabling • reasonably well protected from physical damage. 1. Once a suitable location has been found, thoroughly clea n the surface with an alcohol based cleaner. 2. Remove the protective backing from the PC/SeaTalk/NMEA Interface box and firmly press onto the mounting surface. D434-2 166_3chs.
Operation and Installation 5 3. Alternatively, the PC/SeaTalk/NMEA Interface box may be attached using the 2 self tapping screws provided. 4. Remove the top of the Interface box by squeezing the lid at each end and pull away from the base. 5. Route all the necessary cables into the Interface box. 6. Connect the wires as described in Chapter 3. Also, secure cables close to the unit. 166_3chs.
6 PC/SeaTalk/NMEA Interface Box Chapter 3: Operation/Wiring EMC Installation Guidelines All Raymarine equipment and accessories are designed to the best industry standards for use in the leisure marine environment. Their design and manufacture conforms to the appropriate Electromagnetic Compatibility (EMC) standards, but correct installation is required to ensure that performance is not compromised.
Operation and Installation 7 damage the equipment, but may cause the loss of some information and may change the operating mode. • Raymarine specified cables are used at all times. Cutting and rejoining these cables can compromise EMC performance and so must be avoided unless doing so is detailed in the installation manual. • If a suppression ferrite is attached to a cable, this ferrite should not be removed.
8 PC/SeaTalk/NMEA Interface Box 3.1 NMEA Output Provided you have the appropriate SeaTalk instrumentation, the data listed below is transmitted in NMEA 0183 format for use with non-SeaTalk equipment. Note: NMEA is also output in response to NMEA input. 166_3chs.
Operation and Installation GPS Antenna Height GPS Quality Indicator Heading (Magnetic or True) Latitude & Longitude Locked Heading MOB (Cancel) Rudder Angle Speed Over Ground Speed Through water Temperature, Water Time Time Offset True Wind Angle True Wind Direction True Wind Speed Variation Waypoint Capture Velocity Made Good to Wind Waypoint Capture Waypoint Destination No.
10 PC/SeaTalk/NMEA Interface Box Cabling The PC/SeaTalk/NMEA Interface should be connected to SeaTalk and the other manufacturer's equipment as follows: + – IN OUT + – + – OUT + – RS232 SEATALK NMEA NMEA SEATALK ALARM Yellow (Data) Screen (0v) Red (v+) Red (v+) Screen (0v) 5A + - Power D1771-2 166_3chs.
Operation and Installation 11 3.2 NMEA Input The PC/SeaTalk/NMEA Interface can also be used to convert NMEA 0183 data to SeaTalk. NMEA 0183 data is also re-transmitted on NMEA "OUT" in response to NMEA "IN". This allows non-SeaTalk equipment to be connected directly to the SeaTalk bus. Note: Data will not be transmitted to SeaTalk if it is already on present on the SeaTalk bus.
12 PC/SeaTalk/NMEA Interface Box Data GPS Number of Satellites GPS Antenna Height GPS Quality Indicator Heading (Magnetic or True) Latitude & Longitude NMEA Header GGA GGA GGA HDM, HDG, VHW, HDT GGA, GLL (inc. Version 1.
Operation and Installation 13 Cabling (ST1,2,3000 autopilots) + – IN OUT + – + – OUT + – -+ RS232 SEATALK NMEA Screen (0v) NMEA SEATALK ALARM Yellow (Data) Screen (0v) Red (12V) 5A Fuse D5509-1 166_3chs.
14 PC/SeaTalk/NMEA Interface Box 3.3 Main Alarm The PC/SeaTalk/NMEA Interface can be used to drive the Raymarine Main Alarm (Cat No Z035).
Operation and Installation 15 Cabling The Main Alarm should be wired to the PC/SeaTalk/NMEA Interface as follows: Black Red + – IN OUT + – + – OUT + – RS232 SEATALK NMEA NMEA SEATALK ALARM Main Alarm Z035 Yellow (Data) Screen (0v) Red (v+) Red (v+) Screen (0v) 5A + - Power D1769-2 166_3chs.
16 PC/SeaTalk/NMEA Interface Box 3.4 Connecting a Personal Computer The PC/SeaTalk/NMEA Interface can be used to send or receive SeaTalk and NMEA data to or from a personal computer via the "RS232 OUT and NMEA IN" terminals, as shown in the following illustrations. Red (v+) Transmit + - + – Power IN OUT + – + – OUT + – RS232 SEATALK NMEA Ground NMEA SEATALK ALARM Yellow (Data) Screen (0v) 5A Screen (0v) Red (v+) D1772-2 166_3chs.
Operation and Installation 17 + – IN OUT + – + – OUT + – RS232 SEATALK NMEA NMEA SEATALK ALARM Yellow (Data) Screen (0v) Red (v+) Red (v+) Receive Screen (0v) 5A Ground + - Power D1773-2 166_3chs.
18 PC/SeaTalk/NMEA Interface Box PC Serial Port Connections to NMEA The following diagram shows the pin connections for 25-pin and 9-pin PC serial ports to NMEA. 2 Transmit (from PC) 2 Receive (into PC) 3 Receive (into PC) 3 Transmit (from PC) 5 RS232 Ground 7 RS232 Ground DB25 25-PIN SERIAL CONNECTOR 166_3chs.
Operation and Installation 19 3.5 Connecting to a PC with RayTech Navigator The PC/SeaTalk/NMEA Interface can be used to connect a SeaTalk system to a personal computer equiped with RayTech Navigator charting software. Connection is via the "RS232 OUT and NMEA IN" terminals, as shown in the following illustration.
20 PC/SeaTalk/NMEA Interface Box Chapter 4: Fault Finding All Raymarine products are comprehensively tested prior to packing and shipment. In the unlikely event that a fault does occur, the following check list should help cure the problem. Fault Cause Action No operation No power supply Check the SeaTalk bus connectors are correct between the Interface box and the power supply.
Operation and Installation 21 Servicing and Safety • Raymarine equipment should be serviced only by authorised Raymarine service technicians. They will ensure that service procedures and replacement parts used will not affect performance. There are no user serviceable parts in any Raymarine product. • Some products generate high voltages, so never handle the cables/ connectors when power is being supplied to the equipment. • When powered up, all electrical equipment produces electromagnetic fields.
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