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NMEA 2000 Single T-Piece

R399.00

“As your NMEA 2000 network expands, beyond the 3 device limit of our NMEA 2000 Starter Kit, you can use one of our single T-pieces to add an additional device.”

— OR —

SKU: ZDIGN21W Categories: Interfacing, NMEA 2000 Cables Tags: nmea 2000 cable, NMEA 2000 Single T-Piece, ZDIGN21W
  • Description
  • Manual and Downloads
  • FAQs
Description
KEY FEATURES

As your NMEA 2000 network expands, beyond the 3 device limit of our NMEA 2000 Starter Kit, you can use one of our single T-pieces to add an additional device. With Male > Female > Female connectors, multiple T-Pieces can be plugged together or added to the 4 Way T-piece included to the starter kit. The lower “drop cable” connector is female so that there are no exposed pins when the drop cable is removed.

Digital Yacht can supply NMEA 2000 cables and connectors, to expand your NMEA 2000, to whatever size you need – up to the maximum 50 NMEA 2000 device limit.

The maximum single drop cable length is 6m and the total length of all drop cables must be less than 76m. Please note that all Digital Yacht “Drop Cables” can also be used as Backbone cables and are easily connected together to make any length of backbone cable required.

This image gives you all of the key NMEA 2000 networking rules that, if followed, will ensure your NMEA 2000 network works correctly.

networking rule for NMEA 2000 network

Digital Yacht uses NMEA2000 Micro connectors on cables and connectors which are universal and compatible with other manufacturer’s NMEA2000 products.

If you want to find out more about NMEA 2000, please click here.

 

SPECIFICATIONS
  • NMEA 2000 Single T-Piece
  • Standard “Micro C” connectors make it very easy for future network expansion
  • Metal connectors improve reliability
  • Waterproof rating IP68
Manual and Downloads
FAQs

NMEA 2000 is the marine version of the CAN networks found in every modern car. NMEA 2000 allows marine electronic devices from different manufacturers to talk to each other

NMEA 2000 is a standard set of data messages, protocols and connectors that all NMEA 2000 devices must use*

* Note –   Some manufacturers have created their own “flavours” of NMEA 2000 with different connectors and cabling; Raymarine’s “SeaTalkNG” and Simrad’s “SimNet” are two examples and both need proprietary adaptor cables to connect to standard NMEA 2000 networks.

You cannot just plug two NMEA 2000 devices together with a suitable NMEA 2000 cable – they must be connected to a properly constructed NMEA 2000 network.

Each device has an NMEA 2000 interface that must be powered from the network. Some smaller low power devices, like sensors are also powered from the network

There is a small cost in setting up the network, but future expansion is very easy. A Digital Yacht NMEA 2000 Starter Kit is a cost effective way to build a small, expandable network

 

Digital Yacht NMEA 2000 Starter kit includes:

  • 4 way T-Piece Backbone
  • 2x Terminators
  • 1m Power Cable (fused)
  • 1m Drop Cable

The part number is ZDIGN2KIT.

The list below, gives you all of the key NMEA 2000 networking rules that, if followed, will ensure your NMEA 2000 network works correctly.

  1. The network must be properly terminated; only two terminators fitted one at each end of the backbone
  2. The NMEA 2000 Supply voltage must be between 9V and 16V
  3. The NMEA 2000 Supply current must be less than 3A (60 LEN)
  4. Maximum number of 50 physical devices on the network
  5. The NMEA 2000 backbone must be less than 100m
  6. Maximum single drop cable length is 6m
  7. Total length of all drop cables must be less than 76m
  8. The volt drop from one end of the network to the other, must be less than 1.5V

A key consideration in any good NMEA 2000 network design, is the total current that the network is consuming. If the total current is more than the safe current capacity of the NMEA 2000 cabling (3A for all Digital Yacht cables) then the cable could melt or even cause an electrical fire.

  • Each device on the NMEA 2000 network consumes some current
  • It is very important that the total network current is known and that it is less than 3A
  • Every NMEA 2000 certified device, has a Load Equivalency Number or “LEN” for short
  • 1 LEN = 0.05A (50mA)
  • The LEN number will be printed on the devices product label (see example below)
  • Add up the LEN values of all devices and make sure the total is less than 60 LEN which equals 3A

NMEA 2000 networks are very reliable and really are “Plug and Play”. When things go wrong, it is not always easy to fault-find even on a small NMEA 2000 network.

NAVDoctor is the perfect NMEA 2000 diagnostic tool for dealers, installers and boat builders. It turns any mobile device in to an NMEA 2000 network analyser, creating simple and clear web pages that show the health and status of your NMEA 2000 network.

The Digital Yacht iKonvert NMEA 2000 to NMEA 0183 Converter is an intelligent and flexible gateway. Therefore allowing for new NMEA2000 equipment to talk to legacy NMEA0183 equipment. Conversions are bi-directional.

For example, you may want to get the data from older NMEA0183 sensors on to your NMEA2000 network. Another reason being you have a new NMEA2000 only MFD and want GPS and Navigation data sent to your older NMEA0183 VHF and Autopilot.

iKonvert can be used to accurately and intelligently carry out the required data conversions.

NavAlert is Digital Yacht’s latest innovation and allows an alarm to be set for any parameter that’s available on the boat’s NMEA 2000 network. That could be navigation data such as depth, heading or speed, electrical data such as voltage and engine/generator data including temperature, pressure, tank levels, fuel flow etc.

It connects anywhere on the NMEA 2000 network and also takes power from this connection so installation is super simple. A local WiFi network is created by NavAlert so setup is possible via any smart phone, tablet or PC. Simply choose the parameter you want to monitor and set an alarm level. Multiple parameters can be monitored.


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    NMEA 2000 Single T-Piece

    R399.00

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