INTRODUCTION
1
3 of 59
The Oceanic Systems’ NMEA2000 to Modbus Gateway (Part No 3155) makes NMEA2000 messages
from Engine, Generators, Tanks, Batteries, AC Sources and Switch Banks available over a
Modbus interface to PLC based vessel monitoring systems.
This unit is designed to operate in a protected marine environment such as an engine room
or below decks. It is very important that it is installed and set up correctly according to this
manual. Please read and follow the installation and setup instructions carefully to achieve the
best results.
1.1 PRODUCT FEATURES
The 3155 NMEA2000 to Modbus Gateway has the following features:
• RS485 Modbus Interface RTU protocol
• NMEA2000 Interface
• DIN Rail mount enclosure
• Passes NMEA2000 messages from Engines, Generators, Batteries, AC Sources, Fuel Tanks,
Fresh Water Tanks, Grey Water Tanks, Black Water Tanks and Oil Tanks to the Modbus
Interface
• Has easy communications setup controls for the RS485 Interface
• Status and Warning lights for all data transfers
• Allows monitoring and Control of 8 switch banks of 28 switches (224 in total)
