Simrad AP25 - Manual (Page 92)

Simrad AP25 Autopilot
90
20221495F
3.22 NMEA output on Port 2
Output signal Output terminal Output sentence
Continuous output of compass
heading at 10 Hz (10x/sec.)
Rudder angle output at 5 Hz
NMEA format Autopilot Computer Power
PCB.
NMEA2, TX2+, TX2–. HDT (True) or HDG (Magn.)
depending on heading source.
RSA Rudder angle
3.23 NMEA Compass input
POWER PCB
TB8 TB9 TB10
RX
2 RX
2
+
NMEA
Input2
AC20/AC40 AUTOPILOT COMPUTER
NMEA
COMPASS
Figure 3-24 NMEA compass connection:
Notes !
1. The compass connected to the NMEA port (RX2) will not be
calibrated from the autopilot.
2. The AC10 Autopilot Computer has no port for NMEA
compass input. Use the AT10 Universal Converter (P/N
24005936) according to the drawing below.
NMEA
COMPASS
AUTOPILOT
CONTROL UNIT
AT10
CONVERTER
12V SimNet
supply
White (Rx+)
Brown (Rx-)
SimNet
Tx+
Tx-