Simrad NAC-D Autopilot Computer f/Steer By Wire
Designed for steer-by-wire systems, the Simrad NAC-D Autopilot Computer processes autopilot commands for compatible electronic steering architectures. Its dedicated computer supports automated course control without conventional hydraulic drive components, helping reduce helm workload while maintaining accurate communication with the vessel’s steering system.
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 |
Common Question of Simrad NAC-D
What is the NAC-D computer?
The Simrad NAC-D is an autopilot computer for steer-by-wire systems. It processes compatible steering commands rather than operating an anchor mechanism. Confirm engine interface, steer-by-wire compatibility, network connections, power supply, software, control head, and steer-by-wire control requirements before installation.
Is it compatible with every engine?
No. The NAC-D requires a supported steer-by-wire engine and compatible Simrad components. Verify engine model, steering architecture, network, software version, displays, heading source, power supply, and commissioning instructions before purchase or installation.
Does it control a windlass?
No. The NAC-D manages compatible steer-by-wire autopilot functions and does not control a gypsy, drum, chain, or anchor rope. It is not an anchor windlass component. Use dedicated equipment for marine anchor retrieval.
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