ComNav Commander P2 & P2VS Installation & Operation Setting Up
Document PN 29010074 V4.1 - 91 -
Drive Setup
The procedure for setting up the autopilot to work properly with your boat’s steering system
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varies, depending on whether or not you have fitted a Rudder Follower Unit.
•
For a Commander P2, or a P2VS which has an RFU fitted, the Rudder’s
characteristics are automatically measured by the autopilot, during Drive Setup
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.
•
For a P2VS without an RFU – where you will be using its
Virtual Rudder Feedback
feature – you will need to “tell” the P2VS what the Rudder has done at various points
in the Drive Setup process, and help it make a few measurements of the associated
hydraulic/electrical drive system.
But in both cases, the purpose of the procedure is to find out:
•
The type of drive system – solenoid(s) or a reversing motor – the boat has.
•
The orientation of the RFU (if one is fitted).
•
The direction the Rudder moves in relation to the voltage polarity of the drive outputs
from the SPU.
•
The Hard-Over to Hard-Over time of the Rudder.
•
The physical limits of the Rudder’s travel.
To begin the Drive Setup procedure, move the Dockside Setup menu highlight to “Drive
Setup”, and press the
F
F
n
n
button. This will start the setup’s automated script.
You will see a series of screens, prompting you to for various actions or information; for
example: move the Rudder all the way to Port, or centre it, or enter the maximum defection of
the Rudder, and so on.
Some points to keep in mind, while doing this procedure:
1) Use the boat’s manual steering system (wheel, tiller, etc.) to move the Rudder, when
prompted.
2) When moving the Rudder to the maximum Port or Starboard position, be sure to move it
all the way to the physical stops.
Note: in normal operation, the autopilot always stops the Rudder a few degrees
shy of that position, to avoid pounding it against the stops.
3) Similarly, on a P2VS without an RFU, enter the angle (in degrees) at the maximum Port &
Starboard deflections which you want the autopilot to use.
The values you enter should be no larger than the Rudder’s mechanical
limits! If you enter different values for Port & Starboard, the smaller of the
two will be used for both.
4) The speed at which you move the Rudder manually does not matter, nor does it matter if
you move the Rudder back and forth a bit when it reaches the requested position.
5) Do not be concerned if the Rudder Angle Indicator shown on the screen initially goes in
the wrong direction. The autopilot will sort that out during the procedure.
6) If for some reason, the autopilot was not able to detect the type of drive, you will see a
“Drive Detection Failed” screen.
•
Go back to the Dockside Setup screen, re-check all the drive wiring, and then re-start
the Drive Setup procedure.
•
If you continue to have problems, contact your ComNav Dealer for assistance.
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… which could be a Rudder, an I/O leg, an outboard motor, and so on – but is referred to here as “Rudder”.
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The word “Drive”, as used on the menus, sometimes refers to the hydraulic &/or electrical system that the boat uses to
control the steering mechanism (Rudder, etc.), and other times to the mechanism itself.
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