WIRING
Network ConnectionNetwork Connection GroundingGrounding
FI-50 Series RetrofittingFI-50 Series RetrofittingFI-50 Series RetrofittingFI-50 Series RetrofittingFI-50 Series Retrofitting
Use the included cable to connect the
FI-70 NMEA2000 port to the CAN bus
(NMEA2000) network backbone.
Fabricate a ground wire (IV-1.25sq., local supply) with
a closed-end terminal.
Unfasten the ground terminal screw, then referring to
the figure below, connect the ground wire to the
ground terminal of the FI-70.
Connect the loose end of the ground wire to the ship’s
ground terminal.
1
2
3
1
2
3
NMEA2000 port
Ground
terminal
Conso
le rear
NMEA Cable assy.
(M12-05BM+05BF-060, 6 m)
To CAN bus (NMEA2000)
backbone
Flat washer*
Ship’s ground terminal
Ground wire
(IV-1.25sq., local supply)
Terminal screw*
Unlike the FI-50 series, the FI-70
cannot be daisy-chained. When
retrofitting from a FI-50 series
unit, create a new CAN bus
(NMEA2000) network connection.
How to waterproof the connectorsHow to waterproof the connectorsHow to waterproof the connectorsHow to waterproof the connectorsHow to waterproof the connectors
Where the rear connectors and CAN bus
(NMEA2000) connectors are subjected
to moisture or water spray, waterproof
the connectors as shown below.
Analog sensors
Tank gauge
Speed/Temp. Sensor
ST-02MSB/ST-02PSB
Wind Transducer FI-5001/L
Color Instrument FI-70 (Maximum 11 units)
CAN bus (NMEA2000) Backbone: Terminal resistors must be installed at both ends of the backbone.
Analog NMEA Data Converter
IF-NMEAFI
CAN bus
(NMEA2000)
sensors
CAN bus
(NMEA2000)
sensors
*: Attached to FI-70 when
shipped. Remove the
terminal screw and washer
to install.
Junction Box
FI-5002
Junction Box
FI-5002
Waterproof the
connectors
T-connector
Wrap the connection point with
a single layer of vinyl tape.
Wrap one layer of self-bonding
tape over the vinyl tape.
Wrap two layers of vinyl tape
over the self-bonding tape.
12 VDC
to
15 VDC
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