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Ockam Hardware

Since the system outputs depend on what sensors are attached, the available interfaces are described in the next few pages.

True Wind
The most important function of an integrated system is true wind which requires apparent wind, boatspeed and heading. On the Ockam system, these sensors are handled by the T2 interface.

If all systems need these inputs, why not put them into the processor directly? One reason is that boatspeed and wind are forward, and placing an interface there makes more sense, and saves considerable weight in cable runs.

Another reason is that a separate interface uncouples sensor requirements from the processor design. The classic analog masthead sensor is giving way to the sonic sensor. If your system was centralized, this would require an upgrade or replacement of the processor.  Because the Ockam system is modular, the upgrade might only require a software change or at most an interface swap-out.

More information:
The T2 Multiplex Interface (PDF)

T2 Interface
The T2 can take the compass input, or it can be attached to the T1 processor or an 032 heading interface.