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3.1.5
NMEA 0183
The ACU has an NMEA 0183 connector for the ship's gyro.
Outline (on the ACU)
1
1. Connect pin 1 to 11 according to the table above.
NMEA 0183
The NMEA 0183 connection supports IEC 61162-1 (baud rate 4800, format 8N1) and
IEC 61162-2 (baud rate 38400, format 8N1). The ACU detects the baud rate
automatically, you cannot configure this interface.
Supported NMEA sentences:
• HEHDT (North seeking Gyro compass)
• GPHDT (GPS compass)
• HNHDT (Non-North seeking gyro compass)
• IIHDT (Integrated Instrument)
• HCHDT (Magnetic compass)
Recommended NMEA 0183 cable: Two-wire constructed with one enclosed shield
Network signal pair:
• Size: No. 24 AWG (0.24 sq. mm) or heavier
1. (Hardware prepared for NMEA 2000, for future use). NMEA 2000 power: 9-16 VDC. NMEA 2000
LEN (Load Equivalency Number): 2 (100mA)
1
connector
11
Table 3-4: NMEA 0183/2000 connector, outline and pin assignment
Pin
Pin function
1
Not connected
2
NET-H (NMEA 2000)
3
NET-L (NMEA 2000)
4
NET-S (NMEA 2000)
5
NET-C (NMEA 2000)
6
Not connected
7
Not connected / RS-232 RX
NMEA 0183
8
RS-232 GND
RS-422 shield, connect only one
end.
9
RS-422RX Line B (+) NMEA 0183
10 RS-422RX Line A (-) NMEA 0183
11 Not connected
:
Interfaces of the ACU
Wire
color
–
White
Blue
Red
Black
–
–
–
3-3
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