Simrad AP50 - 2.4 Follow-Up (FU) Steering; 2.5 Non-Follow-Up (NFU) Steering

Simrad AP50 Autopilot
14 20222410 / B
- D9X Solid State Board, 19-40VDC (2 pcs.) P/N 20125175
JD51 Distribution unit (P/N 20126827)
JD51 provides solid state switching of two independent sets of
directional valve solenoids, 110V DC, 1A.
The unit includes the following circuit boards:
- J50 Power Board .......................................... P/N 20212528
- J50 Main Board............................................ P/N 20211918
- D9X Solid State Board, 110VDC (2 pcs.) .. P/N 20125423
JD52 Distribution unit (P/N 20126835)
JD52 provides solid state switching of two independent sets of
directional valve solenoids, 110/220V AC, 1A.
The unit includes the following circuit boards:
- J50 Power Board .......................................... P/N 20212528
- J50 Main Board............................................ P/N 20211918
- D9X Solid State Board, 110/220V AC (2 pcs.) P/N 20125720
JD50/51/52
DISTRIBUTION
UNIT
24VDC MAINS
RF14XU
SOLENOID
VALVE
PUMP 1
Autopilot
input
SOLENOID
VALVE
PUMP 2
NOTE 1
NOTE 2
Solid state PCB 1 Solid state PCB 2
RF45X
Figure 2-9 AP50 system with ON-OFF valves
Note 1: RF45X: No limit switches, current output for rudder angle indicator(s)
Note 2: RF14XU: Limit switches included, voltage (output) for rudder angle indicator(s)