ComNav 1500 / 1510 Autopilot - 17 -
2.7 NMEA 0183 Compass Interface
For the 1500 Distribution Unit: Use the NMEA 0183 Compass Interface available
from ComNav. Wiring interconnection instructions are provided with the NMEA
0183 Compass Interface. Calibration parameter “CAL c6” can be used to adjust for
heading offsets.
For the 1510 Distribution Unit: the NMEA 0183 Output Compass can be
connected directly to terminals #14 and #15.
2.8 LFU101 Full Follow Up (FFU) Tiller Steering
If you do not have a Full Follow Up (Tiller) lever, go to next item. The FFU steering
control lever or knob can be used to maneuver the vessel. The FFU steering will
control the rudder to the angle commanded by the follow up control lever or knob.
The DIP Switch on the servo until circuit board must be set up correctly to use this
function. The use operation and instruction manual for the FFU steering lever or
knob control is provided with the unit. The FFU steering feature is not available with
the A-1510 Distribution Unit.
Installation
The jog switch should be wired at terminals #20, 21 and 22 in the Distribution Unit.
If using a ComNav Jog Lever, the white wire from the Jog Lever should be
connected to terminal #20 of the Distribution unit. The green (common) wire of the
Jog Lever should be connected to terminal #21, and the black wire should be
connected to terminal #22. Additional jog levers may be added to the system by
electrically wiring them in parallel to terminals #20, #21 and #22 of the Distribution
Unit.
2.9 Reversing Pumpsets
Pumpsets should be connected into the vessel’s hydraulic steering system
according to piping schematics shown on the following pages. Most multiple station
steering systems have lock valves, which automatically isolate stations from each
other and from the Autopilot Pumpset. Where a lock valve is not fitted, it should be
obtained from ComNav and installed to isolate the helm. The Pumpset is
splashproof and should be mounted in a cool dry location, which minimizes
hydraulic piping and wiring runs.
Reference the following 3 pages for various hydraulic steering systems
complete with required fittings.
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