NMEA 2000 GATEWAY MODULE ASSEMBLY
90-8M0153111 eng SEPTEMBER 2018 © 2018 Mercury Marine Page 9 / 10
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1. The Gateway module is not connected to the NMEA 2000 or CAN bus. Check the
connections on both sides accordingly. If the connections are deemed good, the
Gateway module may require replacement.
2. Power is not present at the Gateway CAN 10‑pin harness connector nor at the
NMEA 2000 harness connector.
Blink (connected to NMEA 2000
only)
The circuit has an intermittent connection. Check the NMEA 2000 harness and
connections accordingly.
Blink (connected to NMEA 0183) NMEA light will blink for normal operation. Refer above for CAN light blink.
Gateway Protocol Description
The software is capable of transmitting (TX) information to, and receiving (RX) information from various parameter group
number (PGN) products.
Gateway Modes
Transmit (TX) Receive (RX)
Transmits Mercury data to NMEA 2000 display devices. Receives data from NMEA 2000 to display on Mercury devices.
Mercury Engine Data to NMEA 2000 Capable Products
Signal Special Information NMEA 2000 PGN Mode
Rated RPM 127498/0x1F20A TX
Coolant pressure 127489/0x1F201 TX
Speed over water (paddle and pitot) 128259/0x1F503 TX
RPM (rapid update) 127488/0x1F200 TX
Voltage 127489/0x1F201 TX
Coolant temperature 127489/0x1F201 TX
Fuel pressure 127489/0x1F201 TX
Fuel level (percent, type)
2 tanks per engine up to 4 engines, tank 1 for each engine
is type fuel 0X00, tank 2 for each engine is data not
available 0X0F, Gateway will always assign STBD engine
tanks 1 and 2 to NMEA tanks 0 and 1. PORT engine tanks
1 and 2 to NMEA tanks 2 and 3.
127505/0x1F211 TX
Fuel tank size 127505/0x1F211 TX
Fuel flow 127489/0x1F201 TX
Oil pressure 127489/0x1F201 TX
Oil temperature 127489/0x1F201 TX
Gear temp 127493/0x1F205 TX
Gear pressure 127493/0x1F205 TX
Boost pressure 127488/0x1F200 TX
Trim position 127488/0x1F200 TX
Rudder angle 127245/0x1F10D TX
Depth 128267/0x1F50B TX
Depth offset 128267/0x1F50B TX
Seawater temp 130310/0x1FD06 TX
Engine hours 127489/0x1F201 TX
Manufacturer ID Address claim (0 x 90 = Mercury) 060928/0xEE00 TX
Alarm data
NMEA 2000 alarm data is limited and will only display
"Check Engine" when an alarm is activated. Refer to the
Mercury SmartCraft Gauges for descriptive fault text.
Diesel engine alarms are not transmitted to NMEA 2000.
127489/0x1F201 TX
Tabs 130576/0x1FE10 TX
Course over ground 129026/0x9F802 RX/TX
Speed over ground 129026/0x9F802 RX/TX
GPS position 129025/0x1F801 RX
Product info 126996/0x1F014 TX
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