Heading Control System · Autopilot & Bridge Systems
MacTaggart Scott MSG 400kNm Rotary is a heading control system. It is installed on the bridge and connected to heading sensors, steering equipment and other navigation inputs required by the vessel's steering-control architecture. Its purpose is to control or assist vessel heading while retaining the required manual steering and changeover functions. The exact control algorithms, rudder interfaces, displays, alarms and sensor inputs depend on the installed model and vessel configuration. The exact model designation and any vessel-type suffix distinguish control hardware and tuning context from neighboring systems; refer to the manufacturer documentation for the exact figure.
What our service work and the manufacturer documentation say about keeping this model running.
Verify valid heading and steering inputs and compare commanded behavior with actual rudder and vessel response using approved test procedures. Inspect bridge controls, power supplies, network interfaces and steering-control connections for faults or loose terminals. Function-test changeover between automatic and manual steering and confirm expected alarms following loss of an input. Check rudder feedback and heading offsets for consistency with independent indications. Back up configuration before approved software or hardware changes. Refer to the manufacturer documentation for the exact figure for adjustment, test and commissioning procedures.
Keep fuses, control switches, selected interface or power-supply modules, rudder-feedback components and manufacturer-recommended electronic spares. Critical steering interfaces may justify replacement control units or sensors according to vessel redundancy. Preserve approved software and configuration data.
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