Robertson AP11 Autopilot
10 20220513E
1.4 J3000X and J300X Junction Unit
Figure 3 J3000X and J300X dimensions
The junction unit is the heart in the AP11 autopilot system.
It contains the steering computer, interface circuits to all
system components and drive circuits for the drive unit
motor and clutch. Two models, J300X and J3000X are
available.
J3000X J300X
Supply voltage 10-28 V 10-28 V
Motor current (continuous/peak) 6/10 A 10/20A
Number of control units 2 2
NMEA ports 1 2
Input for NFU control x x
External alarm x
Radar clock/data interface
(Anritsu and Furuno radars)
x
Table 1 Junction unit comparison chart
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