Seiwa SW AP03 - Manual (Page 12)

The shape of the final system is determined by the optional attachments and many
combinations may be set up. Figs 1.5 shows a full system based on the AP03 and S81.01
Junction Box.
Figure 1.5 Autopilot system using the S81.01 Junction Box.
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S81.01 Junction Box
The Junction Box contains the control microcomputer, the interfaces with other system
components and the steering drive electronics. All system cables are terminated in the
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• For 12 volt systems
• Drive current: 20A
• Can operate two parallel Controllers
• Single Remote Port
• Fluxgate or slave or digital heading
• Footprint 204 x 136 mm