Simrad NAC-3 High Current Autopilot Computer

Simrad NAC-3 High Current Autopilot Computer

• B&G Reflex Sailing algorithms
• 12/24V input 30A continuous output (50A peak)
• 3A Clutch output
• NMEA 0183 Interface (1 input, 1 output)
• Solenoid output capable
• Rudder feedback options: NMEA2000 Rudder Feedback (RF25), Freq. Rudder -Feedback (RF300)
• Solenoid output capable for larger vessels
• Connection for NFU Remotes
• External Mode input, External open/close or pulse contact for SYSTEM SELECT
• External alarm output for buzzer/relay

The NAC-3 Autopilot Computer is the brains behind your autopilot system. NAC-3 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-3 was designed for boats 10 metres (33 feet) or greater in length and is rated to operate high-current hydraulic drives, mechanical drive units, and solenoid valves with a current rating of 30 Amps continuous (50 Amps peak).

Waterproof rating
IPx7

Power
12/24 V DC +10-30%

NMEA 2000 LEN
1
Interfaces
Reversible motor control of rudder
Max continious load 30A, peak 50A for 1s

On/off solenoid control of rudder
12/24V DC, common, load range 10mA to 10A, off current <1mA

Engage output for bypass/clutch
12/24V DC, min 10mA, max 3A

Rudder angle, frequency input
15V, 1.4 to 5kHz, resol. 20Hz/° OR NMEA2000

NFU port/stbd input and mode indicator output
External open/close contact, common ret, contact current max 30mA

Mode input
External open/close or pulse contact for SYSTEM SELECT, common ret, close to activate, contact current max 30mA

External alarm output for buzzer/relay
Max 100mA, voltage level as local supply
Networking
NMEA0183
1 in 1 Out

NMEA 2000
1

What's in the Box:

• NAC-3
• N2KEXT-2RD - 0.61 m (2-ft) NMEA
• N2K-T-RD T