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© 2013 Active Research Limited

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  expressed  written 
permission  of  Active  Research  Limited.  All  other 
trademarks are the property of their respective owners.

The 

Actisense 

NMEA

 

2000  PC  Interface  (NGT-1-ISO) 

is intended for use in a marine environment, primarily for 
below deck use. If the NGT-1-ISO is to be used in a more 
severe environment, such use may be considered misuse 
under the seller’s guarantee.

The  NGT-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.

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.

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 
NGT-1-ISO, and any related software programs.

Introduction

The  NGT-1-ISO  allows  installers  of  equipment  to  adopt 
the NMEA 2000 network early, and enjoy the advantages 
of a single bus connection to all marine electronic devices 
around the entire boat. 

The  NMEA  2000  network  reduces  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 data transmission reliability in the passage 
of data through the vessel.

The 

Actisense

  ‘Certified  Software’  programme  offers 

PC  software  manufacturers  a  quick  method  of  adding 
an  NGT-1  interface  to  their  products  -  allowing  them  to 
share and interact safely on the NMEA 2000 network via 
the PC’s serial port. The NGT-1 interface acts much like a 

firewall - preventing illegal operations and maintaining the 

integrity of the NMEA 2000 network.

As  more  PC  software  manufacturers  use  the  NGT-1 
interface to offer NMEA 2000 support to their customers, 

more users will experience the benefits of NMEA 2000.

Full  information  on  the  complete 

Actisense 

product 

range and a list of all 

Actisense

 ‘NGT Certified Software’ 

products can be found on the 

Actisense website (www.

actisense.com)

.

Summary of Contents for NGT-1-ISO

Page 1: ...1 01 Gateway to connect between a PC s serial RS232 port and the NMEA 2000 network Uses the Actisense Comms API for bi directional PC communications Complete electrical isolation of 1500 volts betwee...

Page 2: ......

Page 3: ...atures 5 Software updates 5 Connecting devices together 5 The NMEA 2000 standard 5 Connections 6 Connecting to the NMEA 2000 network 7 NMEA 2000 connections 7 Connecting to an RS232 PC port 7 RS232 Co...

Page 4: ...ed 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 Foreword At Active Research Limited...

Page 5: ...e the risk of ground loop faults occurring and the resulting damage Software updates The NGT 1 ISO s built in firmware is held in flash memory allowing quick and easy upgrades using either the latest...

Page 6: ...erminals are provided to connect to the serial ISO Drive output The serial output comprises of three connections and Ground GND The colour codes used for this cable are Wire colour Serial Shield Scree...

Page 7: ...connections RS232 Connections The NGT 1 ISO can be connected to a PC communications RS232 port using the supplied Actisense cable and a connector with the following specification 1 A minimum of 3 cor...

Page 8: ...nt differential output voltage 40 RL 60 1 5 3 0 V Short circuit output current CAN H VCAN H 5V 200 mA Short circuit output current CAN L VCAN H 40V 40V see note 2 200 mA NMEA 2000 CAN Bus line CAN H C...

Page 9: ...2000 network that the NMEA 2000 network is operational and that the required PGN messages are selected for transfer by using the NGT Configuration Tool Serial LED does not flash when Serial data is b...

Page 10: ...il support actisense com Website www actisense com Actisense is a registered trademark of Active Research Limited Company Information Product order codes NGT 1 ISO NMEA 2000 Serial Interface with ISO...

Page 11: ......

Page 12: ...202 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 The NGT 1 I...

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