There is a small cost in setting up the network, but future expansion is very easy.
Some smaller low power devices, like sensors are also powered from the network.Each device has an NMEA 2000 interface that must be powered from the network.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. * 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. NMEA 2000 is a standard set of data messages, protocols and connectors that all NMEA 2000 devices must use*.NMEA 2000 allows marine electronic devices from different manufacturers to talk to each other.NMEA 2000 is the marine version of the CAN networks found in every modern car.It is not the most in-depth technical article on the subject, there are plenty of those online, but it focuses on giving you the core information you need to use the Digital Yacht range of NMEA 2000 cabling products to create or expand your NMEA 2000 network. This guide is for anyone who is new to NMEA 2000 and wants to quickly understand the key issues in building an NMEA 2000 network.
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