ComNav 1101 Autopilot4 - 10 INSTALLATION
A yellow LED is provided on the Distribution Box Circuit Board to
confirm the operation of the +5 VDC power supply in the Autopilot
System.
WARNING!
COMMON (terminal 9) must not be used as the return for a motor
field, the clutch, a Rotary Drive, or the lockup valve of a Linear
Actuator. Instead, use JOG GND (Terminal 13) or PILOT POWER
NEGATIVE (Terminal 2).
Motor Monitor
Terminal 10 is used with some of the drive boxes manufactured by
ComNav to monitor motor current draw. If the current drawn by the
motor exceeds a maximum level, this line will be activated, which
signals the SPU to sound an alarm.
Jog Switch Inputs
If the Autopilot is to be configured with Jog Levers, they are
connected to JOG PORT (terminal 11), JOG STBD (terminal 12), and
JOG GND (terminal 13). If the Jog Levers are to be active all the
time, even when the Autopilot System is turned off, connect the
COMMON from the solenoid valve to UNSWITCHED POWER
(Terminal 3).
Rudder Follower
The Rudder Follower connects to the Autopilot System by means of
a 3-wire shielded cable. The signal designations for this cable are
+5V (terminal 14), RUDDER POSITION (terminal 15), and RUDDER
COMMON (terminal 16). Connect the shield to the negative line of
the Autopilot Power (terminal 2).
NAV Signal/Return
Terminals 17 and 18 connect to the NMEA 0183 output of a GPS
Receiver, Loran C, or other type of navigation device with an NMEA
0183 compliant output.
Whenever the Autopilot System is turned on, the LED labeled
“DATA” next to these terminals will flash while data is being
received.
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