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1 Introduction ........................................................3
1.1 Product Features................................................3
2 Installation...........................................................4
2.1 Unpacking the box..............................................4
2.2 Choosing the mounting location...........................4
2.3 Mounting the unit...............................................4
2.4 Connecting the RS485 Modbus Interface................5
2.5 Connecting the NMEA2000® Interface...................5
3 Configuration........................................................6
3.1 Modbus Communication Parameters.......................6
3.2 Modbus Slave Address..........................................7
3.3 Modbus Termination Resistor................................7
3.4 NMEA Device Instance..........................................7
3.5 The Device Setup Process.....................................7
4 Front Panel Indicators and Switches.........................8
5 Fault Finding / Troubleshooting................................9
5.1 Communications error LEDs..................................9
5.2 Invalid Modbus Message Error Led..........................9
5.3 Unmarked LED – PGN became Data Not Available.....9
6 Data Naming Convention........................................10
7 Engine Instance 0 Registers....................................11
7.1 Engine Instance 0 Registers ................................12
7.2 Engine Instance 1 Registers ................................14
7.3 Engine Instance 2 Registers ................................17