The NMEA 2000 - Analogue to Digital Signal Converter is suitable for use with all Wema resistance sensors.
Available with a single analogue input or with 4 analogue inputs and a NMEA2000 backbone output.
NMEA2000 is a plug-and-play communications standard used for connecting different kind of marine gauges, sensors and display units within ships and boats. It allow devices made by different manufacturers to communicate with each other.
The products that meet the NMEA 2000 standard are connected via drop cables to one central cable, known as a backbone cable. The backbone powers each instrument and relays data among all of the instruments on the network. This allows one display unit to show many different types of information. It also allows the instruments to work together, since they share data.
On the backbone cable, one or more power cables supplying the NMEA-2000 devices are connected. Where the power cable is installed depends on the number of devices to be powered and where these are located in the network. To connect a NMEA 2000 device, a drop cable is connected from the device to a T-connector attached to the backbone cable. In order for the network to function properly, there must be a terminator at each end of the backbone cable.
Wema are using micro cables and connector which allows a maximum of 100 meters backbone cable and a total maximum of 72 meters drop cables. Each drop cable can be up to 6 meters long. In a NMEA2000 network there can be up to 50 devices connected.
Communication runs at 250 kilobits-per-second and allows any sensor to talk to any display unit or other device compatible with NMEA 2000 protocols.
Electrically, NMEA 2000 is compatible with the Controller Area Network (CAN Bus) used on road vehicles and fuel engines.
The higher-level protocol format is based on SAE J1939, with specific messages for the marine environment.
For installation instructions please see the video below
Here you can find answers to some popular questions, for anything else please contact us by email or by phone and we'll be happy to help.
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