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NAC-2 Autopilot Computer
The NAC-2 Autopilot Computer is the brains behind
your Simrad autopilot system. It contains the electronics needed to operate a
hydraulic steering pump or mechanical drive unit, while also interfacing with
other components including heading sensors and rudder feedback units. The NAC-2
was designed for boats up to ten metres (35 feet) in length and is suitable for
low-current pumps, mechanical drive units, or solenoid valves (eight amps
continuous/16 amps peak).
Key Features
- Reliable autopilot performance based on
Simrad Continuum steering technology
- Recommended for boats up to 10 metres (35
feet) in length
- Output of 8 amps continuous, 16 amps peak
- Clutch output (3 amps maximum)
- Compatible with low -current drive pumps,
mechanical drives, hydraulic linear drives, and solenoid valves
- Virtual rudder feedback for simplified
installation aboard outboard and sterndrive (inboard/outboard) boats
- Supports Simrad RF25 rudder feedback units
- Plug-and-play connectors for easy
installation
- NMEA 2000® connectivity to heading sensors,
rudder feedbacks, dedicated autopilot controllers, and multifunction
displays
Simrad Continuum steering technology
Every Simrad steering innovation builds upon a
legacy encompassing over sixty years of autopilot development, which continues
today at Simrad Yachting’s autopilot research hub in Norway. This legacy is
exemplified by the Continuum algorithm: the software that drives Simrad steering
technology. Continuum brings all those years of research and on-water experience
to your helm, for a smart pilot you can trust to take the wheel.
Standard Output
The NAC-2 Autopilot Computer is recommended for
boats up to 10 metres (35 feet) in length. It delivers standard power output of
up to eight amps continuous and 16 amps peak, plus a clutch output; this is
suitable to operate low-current drive pumps including the Simrad RPU80,
mechanical drives such as the Simrad SD10, hydraulic linear drives such as the
HLD350, and solenoid valves.
Virtual Rudder Feedback
Simrad Virtual Rudder Feedback (VRF) technology
eliminates the need to install a separate rudder feedback unit aboard outboard
and sterndrive (inboard/outboard) boats. This reduces overall autopilot system
cost and complexity, and is ideal where a feedback unit is impractical due to
mechanical constraints.
Rudder Feedback Units
Rudder feedback units are sensors that connect to
your rudder via a mechanical linkage and continuously report actual rudder
position to your autopilot computer – allowing the Simrad Continuum steering
algorithm to make the best-informed steering decisions possible. These sensors
are typically used on boats with inboard engines, on larger vessels, and in
special applications where Virtual Rudder Feedback may not be suitable. The
NAC-2 supports SimNet or NMEA 2000® connected Simrad RF25 feedback units, and
resistive rudder feedback sensors.
Easy Installation
Plug-and-play connectors facilitate easy
installation, minimising the wiring necessary to install your autopilot system.
Industry-standard NMEA 2000® networking offers simple connectivity to heading
sensors, rudder feedback units, autopilot controllers, and multifunction
displays located anywhere on board.
Specifications
| Operating Temperature |
-25°C to 55°C / -13°F to 131°F |
| Operating Temperature Stored |
-32°C to 70°C / -25.6°F to 158°F |
| Water Resistance |
IPX5 |
| Product Width |
204 mm / 8.03 in |
| Product Depth |
57 mm / 2.24 in |
| Product Height |
207 mm / 8.15 in |
| Product Weight |
0.6 kg / 1.3 lb |
| Power Consumption |
140 mA @ 12 V (1.7 W) + drive unit load |
| Power Supply (Supply Voltage) |
9-31.2 V DC |
| Virtual Rudder Feedback |
Yes |
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