NMEA 2000 to NMEA 0183 Gateway NGW-1
Contents
1. Active Research Limited will not be held responsible for any damage to the user that may result from an accident during operation of this unit when used in accordance with this document 2009 Active Research Limited Foreword At Active Research Limited we recognise that instructions are often skipped so we have aimed to write this document in an informative and direct manner that will aid the user We have covered all the points a typical user needs to know Please read all sections before installing and using the NGW 1 ISO and any referenced software programs Introduction The NGW 1 ISO allows NMEA 0183 electronic equipment to be connected to a vessels NMEA 2000 network This can allow equipment installers to adopt the NMEA 2000 network early whilst connecting any existing NMEA 0183 devices to the new bus standard The NMEA 2000 network can reduce installation costs of marine equipment and greatly reduce a boat s wiring harness complexity leading to improved reliability and reduction in unnecessary weight Now only a single cable is required from the bridge to the engines sensors and all other NMEA 2000 instruments on the boat NMEA 2000 uses the CAN Bus system prevalent in most modern cars to provide the quality and security of data transmissions that the NMEA 0183 bus can never hope to provide This enables NMEA 2000 products to achieve better transmission reliability in the passage of data through the ve2. Ab dE 7 00 aS anc EE E ro NMEA o 5 a ee A RX Listener o0 po a oo tot oy E ez Do not connect Ou Figure 3 NMEA 0183 connections NMEA 0183 connections The Actisense NGW 1 ISO is designed to be connected The NGW 1 ISO has a very sensitive input and powerful to an NMEA 0183 device using the supplied pre fitted output to help maximise the working cable length Actisense cable The standard wiring connection can be seen in Figure 3 If a different cable is required the cable specification quality and length should be considered The maximum length of such a cable is dependent on the input amp output specifications of the NMEA 0183 device and cable quality 1 Wire colours are for guidance only The colours given relate to the supplied Actisense cable 2009 Active Research Limited Page 7 Actisense Connecting to an RS232 PC port af Che no FP qh JE BIE ie i Personal a a Computer Ss droo 4 es did i S om o Cees LIO O O 4 o oo te ey O Hea Do not Da ee connect Figure 4 Personal Computer RS232 port connections RS232 Connections The NGW 1 ISO can be connected to a PC communications RS232 port using the supplied cable and a connector with the following specification 2 A D type female socket connector for the PC end of the cable 3 The OUT A of the NGW 1 ISO should be 1 A minimum of 3 cores are required i
3. Supply and NET Common These connections will be labelled NET SUP and NET COM respectively on the PCB Please refer to the Connecting to the NMEA 2000 Network section for an example of these connection methods Page 5 Actisense a S LAO TTN BSOOUDQDOUOOCO oO oO Cd L D OOoooo 0000 O00 a C4 N o Bog Fen o0000000 ooog o Wp TE Ti o DERELIATETITTINI O GO a U e n ee flo O j ee S 0 7 Bos c ke 0 o E C O D n 7 E Bes oo pp I ACTISENSE e aw oO j A oo m aeoe ee o g3 Z 0 oa min oN tie sE fis hom Z oo oo CI 0 i e Figure 1 All external connections Figure 1 shows an internal view of the NGW 1 ISO Printed Circuit Board PCB 1 NMEA 2000 Interface A five way screw terminal block is supplied for connecting the NMEA 2000 cable The CAN interface is fully compatible with the NMEA 2000 standard Actisense supplies a pre fitted four core screened cable for the NMEA 2000 connection fitted with a male micro fit connector The colour codes used for this cable are Shield Screen SHIELD If you need to use your own NMEA 2000 cable the five way screw terminal block is provided within the NGW 1 to allow easy connection along with a spare cable gland that should be fitted on to the new cable to help maintain the water protection level Any such cable is required to conform in full to the NMEA 20
4. note that these two LEDs can only show when their respective data is RECEIVED it is not possible to show both transmit and receive simultaneously on a single colour LED These LEDs can be used to debug potential problems If both an NMEA 0183 talker and a listener are connected it is possible to analyse which is working by disconnecting one of them or by stopping the computer from sending data NMEA 2000 LED does not Check that the NGW 1 ISO is connected to the NMEA 2000 network that the NMEA flash when the data is received 2000 network is operational and that the required PGN messages are selected for from the NMEA 2000 network transfer by using the NGW Configuration Tool Serial LED does not flash Check that the NGW 1 ISO is connected correctly to the NMEA 0183 device that when Serial data is being the same Baud rate has been set on both devices and that the required messages received are selected to be transferred by using the NGW Configuration Tool Indicates that the NGW 1 ISO is powered but no data is received from either connection If data should be being transferred through then check that the required PGN messages are selected by using the NGW Configuration Tool Both LEDs flash together once every 10 seconds If the error persists please contact Actisense support to help trace the issue before considering the return of the product If Actisense support concludes that the NGW 1 ISO unit should be returned to Acti
5. screws in the base of the unit then slide off the top of the case The cable glands need to be slid out from the top of the case in order to access the internal connections The NGW 1 ISO circuitry will be left attached to the base of the unit and the two supplied cables attached to their connectors Note When opening the NGW 1 ISO case be aware that the circuitry inside is not 100 protected against static electricity Please ensure that when opening the case you use precautions against static damage by only touching the connector block and by holding the unit by its plastic base In this way the risks of static damage will be minimised Page 6 NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO Connecting to the NMEA 2000 network OOOO OUUU OU Figure 2 NMEA 2000 connections NMEA 2000 connections The Actisense NGW 1 ISO is designed to be connected The standard wiring connection can be seen in Figure 2 to the vessel s NMEA 2000 network using the supplied pre fitted Actisense cable Note 1 Wire colours are for guidance only The colours given If a different length cable is required an NMEA 2000 relate to the supplied Actisense cable and the NMEA certified cable of the required length maximum 6 metres 2000 standard cable definition should be connected to the vessel s NMEA 2000 network using a standard NMEA 2000 connector Connecting to an NMEA 0183 device Se NMEA solh oe Al _ TX
6. 00 specification and be no longer than 6 metres maximum drop length 2 NMEA 2000 indicator LED This LED flashes when NMEA 2000 data set to be transferred is received by the NGW 1 ISO It can be clearly seen through the NGW 1 ISO s translucent lid when the case is closed 3 Serial opto isolated input Two screw terminals are provided to connect the serial input The serial input is of the differential opto isolated type and uses the unique Actisense low current drain circuitry 2 mA 2 0 V 2009 Active Research Limited 4 Serial 1SO Drive output Three screw terminals are provided to connect to the serial SO Drive output The serial output comprises of three connections and Ground GND The colour codes used for this cable are pi ese wears ee ce ae Re ack oom Ce ee In most installations this ground GND can be left disconnected It is useful where an RS485 or IEC61162 2 3 terminal type connection is required or where ground continuity is needed between source and target connections No damage will be caused by connecting to this GND in error Always follow the connection diagrams shown in this manual to ensure correct operation 5 Serial data indicator LED This LED flashes when serial data set to be transferred is received by the NGW 1 ISO It can be clearly seen through the NGW 1 ISO s translucent lid when the case is closed To open the NGW 1 ISO remove the two
7. Actisense NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO Hardware revision A Installation Manual Issue 1 00 a Gateway between the NMEA 2000 network and an NMEA 0183 device or the serial port of a computer running NMEA 0183 compatible software a Complete electrical isolation of 1500 volts between NMEA 0183 serial port and the NMEA 2000 connections a Fully configurable via serial port or through the NMEA 2000 network NMEA 2000 to NMEA 0183 Gatewa NGW 1 ISO Contents Important notices Notices Foreword Introduction Technical features Software updates Connecting devices together The NMEA 2000 standard Connections Connecting to the NMEA 2000 network NMEA 2000 connections Connecting to an NMEA 0183 device NMEA 0183 connections Connecting to an RS232 PC port RS232 Connections Connecting to an RS485 IEC 61162 2 listening device RS485 Connections Specifications Troubleshooting guide Status LEDs Product order codes Company Information 2009 Active Research Limited o 0O o O r NNN On ao oh PB B BA gt o cent _ ma Page 3 Actisense Important notices Actisense and the Actisense logo are registered trademarks of Active Research Limited All rights are reserved The contents of this manual may not be transferred or copied without the express written permission of Active Research Limited All other trademarks are the property of their respective owners The Ac
8. N H VCAN H 5V 200 mA za Short circuit output current CAN L VCAN H 40V 40V see note 2 NMEA 2000 CAN Bus line CAN H CAN L Receiver CAN H CAN L common mode input resistance lt A oO 3 3 Be D A A O O Differential input resistance Opto isolated Input Input voltage tolerance Continuous operation Differential input voltage 1 8 a ee E gt Input to Ground Baud rate Configurable Baud rate 4800 230400 bps ISO Drive Output Output current 100 ohm load Full Galvanic isolation protection 1500 Configurable Baud rate 4800 230400 bps Differential output voltage RS485 RS422 RS232 compatible 20 mA a V Output to Ground Baud rate Table 2 NGW 1 ISO specifications All specifications are taken with reference to an ambient temperature T of 25 C Note 1 Current consumption measured under no load conditions 2009 Active Research Limited Page 9 Actisense Troubleshooting guide This guide will concentrate on all relevant troubleshooting issues above simple cable connection faults Therefore the cables between the NGW 1 ISO hardware and any other devices should be checked as a matter of course before continuing with this guide Status LEDs The NGW 1 ISO hardware has two bright LEDs that can be seen through the case to indicate when data is received from either the NMEA 0183 device or NMEA 2000 network connection It is an important point to
9. n a shielded cable Higher quality cable will naturally yield higher performance higher Signal to Noise Ratio SNR Most typical cables have two twisted pairs inside In this case use one pair for the TX line and one for the RX line Use the spare wire in each pair as ground and connect the cable shield to ground only at the computer end connected to the RX of the computer standard D type pin 2 and the NGT 1 ISO IN A should be connected to the TX of the computer pin 3 4 Connect the IN B and OUT B together and connect to the PC s serial port ground pin 5 Connecting to an RS485 IEC 61162 2 listening device qh TE 50 JUUUUUUL Figure 5 RS485 IEC 61162 2 port connections RS485 Connections The ISO Drive output of the NGW 1 ISO can be connected to an RS485 Listener that requires differential drive plus a ground connection as shown in figure 5 The standard wiring connection can be seen in Figure 5 2009 Active Research Limited 1 Wire colours are for guidance only The colours given relate to the supplied Actisense cable Page 8 NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO Specifications Supply 30 18 O Supply voltage 12v_ 26 30 NMEA 2000 CAN Bus line CAN H CAN L Transmitter Dominant bus voltage CAN H V mA mA Dominant bus voltage CAN L 2 25 Recessive differential output voltage 500 Dominant differential output voltage 1 5 Short circuit output current CA
10. sense refer to the Company Information section a Returns Number will be issued by the support engineer The Returns Number must be clearly visible on both the external packaging and any documentation returned with the product Any returns sent without a Returns Number will incur a delay in being processed Table 3 Diagnostic LED 2009 Active Research Limited Page 10 NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO Product order codes NMEA 2000 lt Serial Interface with ISO Drive Standard version required to connect the NMEA 2000 network to an NMEA 0183 device or computer serial port NMEA 2000 USB Interface Special version required to connect the NMEA 2000 network to the USB port of a computer running NMEA 0183 compatible software Company Information Active Research Limited Unit 5 Wessex Trade Centre Ringwood Road f Poole Dorset UK BH12 3PF Telephone 01202 746682 International 44 1202 746682 Fax 01202 746683 International 44 1202 746683 Actisense on the Web For advice support and product details E mail support actisense com Website www actisense com Actisense is a registered trademark of Active Research Limited 2009 Active Research Limited Page 11 The Actisense NGW 1 ISO allows an NMEA 0183 device to talk and listen to NMEA 2000 devices on an NMEA All NMEA 2000 instruments on the network can see translated NMEA 0183 data sent from NMEA 0183 device PC
11. software can receive translated data from any NMEA 2000 instrument Electrical isolation separates the two networks protecting against ground loop faults This creates a protected computer and a safe installation The NGW 1 device is compatible with all NMEA 0183 devices both single ended and standard differential types 2000 network By translating NMEA 2000 data into the NMEA 0183 equivalent and vice versa the NGW 1 ISO enables information to be shared between NMEA 0183 devices and any instrument on the NMEA 2000 network The isolating ISO Drive connection of the NGW 1 ISO makes it one of the best and safest ways to connect your NMEA 0183 device to an NMEA 2000 network Just connect and relax knowing that Actisense has it secured NMEA 2000 Connection NMEA 2000 network is opto isolated from the serial connection to offer 1500 volts of protection NMEA 2000 current draw 30 mA typical Terminal block available for user cable connection Cable length 1 5 metres Certifications CE EN60945 Tested and certified NMEA 2000 compliant System Requirements Supported OS s Windows 2000 XP and Vista Check website for other versions No drivers required Environmental Recommended operating temperature 20 C to 70 C Splash proof plastic casing provided with sealing cable glands certified to IP54 Stainless steel case screws Humidity 0 80 RH Opto amp ISO Drive Connection Exceeds all NMEA 0183 inp
12. ssel The NMEA Gateway can transfer data from an NMEA 0183 source and place that data on the NMEA 2000 bus or it can take NMEA 2000 data from the NMEA 2000 bus and make it available to the NMEA 0183 instrument Full information on the complete Actisense product range and supporting software packages can be found on the Actisense website www actisense com Page 4 NMEA 2000 to NMEA 0183 Gatewa NGW 1 ISO Technical features High speed 32 bit ARM processor capable of up to 40 million instructions per second Flash ROM technology that supports automatic programming for quick and easy updates 10 000 erase cycles and a 10 year Data Retention provides carefree user configuration On chip memory store allows buffering of short term NMEA data allowing the unit to smooth short term peaks in the NMEA data flow Fully configurable via the serial connection or over the NMEA 2000 network allowing optimisation of the serial interface to better suit the system it is a part of NMEA 2000 interface offers 2500 volts of opto isolation protecting the system even during the most extreme fault conditions and fully compliant with the NMEA 2000 standard for interfacing with the NMEA 2000 network NMEA 2000 network powered to offer easy installation with no need for a direct connection to the vessels main battery supply The NGW 1 ISO takes all its power from the NMEA 2000 network connection and contains a clever built in power isola
13. tisense NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO is intended for use in a marine environment primarily for below deck use If the NGW 1 ISO is to be used in a more severe environment such use may be considered misuse under the seller s guarantee The NGW 1 ISO has been certified to comply with the European directive for Electro Magnetic Compatibility EN60945 and is appropriately CE marked Operation of the unit should be in conjunction with appropriate CE approved shielded connectors and cabling used in accordance with the CE directive EN60945 Any EMC related issues should be reported to Active Research immediately to allow the company to rectify or resolve EMC related problems in accordance with its obligations under EN60945 If the unit is misconnected so that compliance failure occurs the company shall not be held responsible for compliance failure until suitable EMC guidelines for connection are seen to have been taken Notices When using this document please note the following The products described in this manual and the specifications thereof may be changed without prior notice To obtain up to date information and or specifications contact Active Research Limited or visit the Actisense website www actisense com Active Research Limited will not be liable for infringement of copyright industrial property right or other rights of a third party caused by the use of information or drawings described in this manual
14. tor to power its serial circuitry without the need of an extra battery source This creates total isolation between the serial and NMEA 2000 circuitry to completely eliminate the risk of ground loop faults occurring and the resulting damage Software updates The NGW 1 ISO s built in firmware is held in flash memory allowing quick and easy upgrades using either the latest NGW 1 ISO ActiPatch or alternatively the NMEA 2000 Gateway Configuration Tool running on a PC connected to the NGW 1 ISO It is our policy to provide these updates free on the Actisense website www actisense com so that the NMEA 2000 to NMEA 0183 Gateway NGW 1 ISO can be further developed over time and should there be any bugs reported in the firmware they can be promptly fixed without the unit requiring to come out of commission 2009 Active Research Limited Connecting devices together The NMEA 2000 standard The NMEA 2000 system is a low cost data network operating at 250 kbits sec utilizing the Controller Area Network CAN Multiple devices can be connected together on a single trunk cable to simply and easily share information between themselves NMEA 2000 uses a shielded cable and a differential signalling scheme whereby two wires are used to transmit the NMEA data named CAN High and CAN Low These connections will be labelled as NET HI and NET LO respectively Power is also supplied through the NMEA 2000 cable named NET
15. ut output specifications Compatible with R8422 NMEA RS232 amp RS485 Baud rates 4800 to 230400 Cable length 1 5 metres Guarantee 3 years return to base Active Research Limited Unit 5 Wessex Trade Centre Ringwood Road Poole Dorset UK BH12 3PF Telephone 44 0 1202 746682 Fax 44 0 1202 746683 Actisense on the Web For advice support and product details E mail support actisense com Website www actisense com Actisense is a registered trademark of Active Research Limited
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