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Simrad NAC-D Autopilot Computer f/Steer By Wire
The Simrad NAC-D Autopilot Computer delivers digital steering integration for US drive-by-wire vessels, featuring specialized software for Volvo EVC, Yamaha, and SeaStar Optimus systems.
- Display: MFD Integration Required
- Network: Dual NMEA 2000
- Technology: Steer-By-Wire Digital Interface
- Voltage: 12V/24V DC Input
- Rating: IPX5 Waterproof Housing
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Description
Steer-By-Wire and Gateway Analysis
Digital steering architectures require specialized data translation to prevent signal latency between the helm and engine actuators. The Simrad NAC-D Autopilot Computer is designed specifically for Steer-By-Wire systems. This unit manages steering commands via a digital CAN bus interface.
Integration occurs through the NMEA 2000 network for high-speed data exchange with MFDs and engine gateways. The computer supports proprietary protocols including Volvo Penta, Yamaha, and Mercury digital steering. The solid-state design meets IPX5 environmental standards for protected cabin installations.
Strategic Vessel Application
Required for modern vessels equipped with digital steer-by-wire engines requiring an integrated Simrad autopilot solution.
Technical Key Features
- Digital bus interface enables steer by wire
- CAN bus protocol ensures zero latency commands
- NMEA 2000 certified for universal system telemetry
- Supports Volvo Yamaha and Mercury digital steering
- Solid state technology eliminates mechanical drive wear
- IPX5 rated housing protects internal processor circuitry
- Automatic gain control optimizes digital steering response
SIMRAD NAC-D Autopilot Computer f/Steer By Wire Specifications
| Drive Type | Digital Steer-By-Wire Interface |
| Pump/Ram Capacity | Direct Digital Link (No Pump) |
| Flow Rate / Speed | Ultra-Low Latency Signal |
| Max Pressure | Electronic Torque Control |
| Cylinder Compatibility | Digital Steering Systems Only |
| Operating Voltage | 9V - 31.2V DC Wide Range |
| Peak Current Draw | Digital Signal Level Only |
| Average Power Draw | < 150mA Typical Load |
| Motor Type | Solid State Digital Processor |
| Computer Compatibility | NAC-D SBW Controller |
| Port Size / Thread | NMEA 2000 Micro-C Connection |
| Drive Connection | CAN-Bus / Digital Interface |
| Rotation/Stroke Direction | Byte-Level Digital Precision |
| Mounting Type | Slim-Profile Bulkhead Mount |
| Housing Material | UV-Stabilized Polycarbonate |
| Waterproof Rating | IPX7 Fully Submersible Grade |
| Operating Temperature | -25°C to +55°C Performance |
| Length (Overall) | 170 mm Slim Chassis |
| Width/Diameter | 145 mm Digital Core |
| Weight | 0.4 kg Ultra-Lightweight |
| Included Accessories | Network Termination Kit |
| Key Mechanical Feature | Integrated Digital Drive Gateway |
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