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Simrad AP50 Autopilot
92 20221032B
Connecting a Hydraulic Linear Drive
JUNCTION UNIT
POWER PCB
TB1
TB2
TB3 TB4
Drive
engage
Sol. -Motor
Sol. -Motor
HYDRAULIC
LINEAR DRIVE
Single pole
clutch/bypass
switch
Figure 4-16 Connecting a Hydraulic Linear Drive
Connecting Solenoid Valves
Solenoids (externally powered, common
positive)
JUNCTION UNIT
POWER PCB
TB1
TB2
TB3
TB4
Solenoid
isolated
Lo1
Hi1
Lo2
Hi2
1
2
3
S1
+
SOLENOID
VALVE
Figure 4-17 Connecting Externally-powered Solenoids with
a Common Positive
Caution ! To prevent damage of the J50 Power PCB, ensure that the S1
jumper switch on the Power PCB is set to position 2-3.