ComNav G2 & G2B Installation & Operation
Document PN 29010093 V1.5 - 32 -
16 December 2016
5001 System
The wiring for a 5001 is similar to that of a Commander P2: two RS-422 NAV input ports,
and one RS-422 output port (the 5001 also has an RS-232 I/O port, but that should not
be used with a G2).
All G2 wiring connections to a 5001 must be made at the 5001’s Processor Card – see
page 4-24 in the 5001’s Installation & Operation manual. You must then select the
Compass, Speed, and NAV sources (from NAV1, NAV2, according to how you have
done the wiring from the G2, a Chartplotter, etc.) – see page 5-15 in the 5001 manual.
It may also be necessary to configure the 5001’s COMM port to transmit NMEA output
signals, if you need those – see page 5-6 in the 5001 manual.
Other ComNav Autopilot Systems
All other ComNav autopilots require the use of an optional Sine-Cosine Interface Box
(ComNav PN 21010004), with matching interface cable (PN 31110023 or 31110051), to
use them with a G2.
See the instructions included with the Sine-Cosine Box for wiring and setup information.
Note that the G2’s Port 2 RS-422 wires are the ones to be connected to the Convertor.
Interfacing to a Navigator G2 Display System
See Figure 14.
Wiring of the Navigator G2 is fully described in the Navigator G2’s Installation &
Operation manual. Note that there is some flexibility in how the wiring between the
satellite compass & the Navigator can be arranged, since part of the function of the
Navigator’s Distribution Unit is to be a simple, convenient “terminal strip” for the
NavigatorG2 Display /G2 Satellite Compass.
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