Installation manual

| 17
Installation and wiring | AC12N/AC42N Autopilot Computers
NMEA 0183
sentence
TX (max rate [Hz]) RX
RMB 0.5 x
RMC 0.5 x
RSA 3.33
VHW 0.5 x
VTG 0.5 x
VLW 0.2 0.5
1)
x
VWR x
WPL x
XTE x
ZDA 0.5 x
ZTG x
Open cells indicates no transmission or reception.
1)
Applies only for units with P/N - S/N code AA.
2)
Applies for units with P/N - S/N code BA onwards.
External alarm
The external alarm circuit has an open collector output for an
external alarm relay or buzzer. The operating voltage for the circuit is
the main supply voltage. Max. load on external alarm output is 0.75
Amp.
ALARM
Autopilot Computer
External alarm connection