Simrad B&G NAC-2 - Page 2

1
Connectors & Wiring
+
_
12 V DC
MAIN
POWER
SWITCH
0.9 m (3 ft)
FUSE,
20 AMP
2 m (6 ft)
T T
RED
BLACK
YELLOW
BLUE
OPTIONAL
STEADYSTEER™
Key Function Color
1 - 0V DC Black
2 + 12 / 24V DC Red
3
AUTO/ STBY button or SteadySteer™
(Optional)
Yellow
4 Blue
Power
Socket
Plug
1. Power (12 / 24 V DC)) - Max 8A/12A Continuous/Peak
2. Drive (Drive unit) - Max 8A/12A Continuous/Peak
3. Feedback (Rudder reference - Resistive feedback units only)
4. Network (NMEA 2000®)
Resistive
Rudder feedback
unit
Key Function Color
1 + 5V DC Red
2 Signal Yellow
3 - 0V DC Black
Feedback
Socket Plug
Drive (Max 8A/12A Continuous/Peak)
Reversible pump
Hydraulic linear drive
Rotary drive Solenoid valve
Key Function Color
1 Clutch GND/Solenoid Common Yellow
2 Clutch Blue
3 Motor_A Red
4 Motor_B Black
Socket Plug
¼ Note: Navico NMEA 2000® Rudder feedback units should be connected directly to the NMEA 2000 backbone.
Helm-1 Combined
Drive &
Rudder feedback
unit
Example 1 Example 2
2 3 4
Option 1
Option 2
+
_
12 V DC
MAIN
POWER
SWITCH
0.9 m (3 ft)
FUSE,
20 AMP
2 m (6 ft)
T T
RED
BLACK
YELLOW
BLUE
OPTIONAL
AUTO/STBY
BUTTON