The NAC-2 Autopilot Computer is the brains behind your autopilot system. NAC-2 contains the control algorithms developed to helm a yacht across a broad range of weather conditions and sea-states, alongside the electronics needed to operate a hydraulic 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 10 metres (33 feet) in length and is suitable for low-current hydraulic drives, mechanical drives, or solenoid valves with a current rating of 8 Amps continuous (12 Amps peak).
The Precision-9 Compass
The Precision-9 Compass supplies heading and rate-of-turn information to Simrad, B&G and Lowrance autopilot, radar and navigation systems. Based on reliable solid-state sensor technology, this compact compass offers easy installation aboard any vessel.
Key Features
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Heading, Rate Of Turn (ROT), roll, and pitch output over NMEA 2000®
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Heading and ROT calculated using sensor data from 9 axes of rotation and motion
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Accurate and reliable solid-state sensor technology
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Heading accuracy of ±2° after calibration
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Easily adjustable mounting bracket allows bulkhead or up-mast installation
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IPX7 waterproof. Best in class.
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Simple installation with a single NMEA 2000® connection
Specifications |
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Mechanical/Environmental |
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Operating temperature |
-25°C to +55°C (13°F to 131°F) |
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Protection |
Splashproof, IPx5 |
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Weight |
0.6 kg (1.3 lbs) |
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Overall Dimensions |
Width: 7.1 in 180 mm |
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Height: 2.2 in 57 mm |
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Electrical |
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Power supply |
9-31.2 V DC |
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Load |
140 mA + drive unit load |
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Performance |
Drive: 8 A cont., 16 A for 1 s |
Interfaces |
-25° to +65ºC (-13°F to +149 ºF) |
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Network |
1xMicroC (NMEA2000) |
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Feedback |
Variable voltage/resistive 0-5V |
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Drive output |
To PUMP-1 or HELM-1 |
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Power supply |
9-31.2 V DC |
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Solenoid |
12/24V DC, common, load range 10mA to 10A, off current <1mA |
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Clutch |
12/24V DC, min 10mA, max 3A |
Precision 9 |
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Dimensions |
H: 36 mm (1.42”), W & D: 119 mm (4.69”) |
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Weight |
Module:|165 g (5.8 oz), Bracket:|130 g (4.6 oz) |
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Supply and interface |
8-16 V via NMEA 2000 |
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Power consumption |
0.4 W |
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NMEA 2000 Load Equivalence No.(LEN) |
1 |
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NMEA 2000 ports (input/output) |
1 |
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Calibration |
Automatic (User Prompted) |
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Repeatability |
± 1.0° (or better) |
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Roll/Pitch range |
± 45° |
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Heading accuracy |
± 2° after calibration |
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Dynamic performance |
With random excitation of ± 10° at max 1 Hz:|Heading error <2°: with heading step input of 90° at a rate of 10°/s: |Heading error 10 sec. after turn <2° |
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Environmental protection |
IPx7 |
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Compass safe distance |
0.5 m (1.7’) |
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Temperature range operation |
-25 to +65°C (-13 to +149°F) |
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Temperature range Storage |
-30 to +70°C (-22 to +158°F) |
000-13337-001
16 other products in the same category:
NAC-2 VRF Core Pack: Comprising of the low-current NAC-2 autopilot computer and Precision-9 compass.
Part Number: 000-13337-001