Installation manual

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Installation and wiring | AC12N/AC42N Autopilot Computers
Drive unit installation
The relations between drive units, drive unit voltage, autopilot
computer, drive performance and interface to the steering gear are
shown in the tables below.
Refer to the connecting diagram for the different drive units.
Installation instruction for the drive units are found in the manual for
the individual units.
The maximum drive current capability of the AC12N and AC42N
autopilot computers are different. Use the table below as reference
and observe the notes.
HYDRAULIC PUMPS:
MODEL MO-
TOR
VOLTS
AUTO-
PILOT
COM-
PUTER
RAM CAPACITY FLOW RATE
AT 10 bar
cm
3
/min
(cu. in./min)
MAX
PRES-
SURE bar
POWER
CONSUMP-
TION
MIN cm
3
(cu. in.)
MAX cm
3
(cu. in.)
RPU80 12V AC12N 80 (4.9) 250 (15.2) 800 (49) 50 2.5-6 A
RPU160 12V AC42N 160 (9.8) 550 (33.5) 1600 (98) 60 3-10 A
RPU300 12V AC42N 290 (17.7) 960 (58.5) 3000 (183) 60 5-25 A
RPU300 24V AC42N 290 (17.7) 960 (58.5) 3000 (183) 60 2.5-12 A
LINEAR DRIVE UNITS:
MODEL
MO-
TOR
VOLTS
AUTO-
PILOT
COM-
PUTER
MAX
STROKE
mm (in.)
PEAK
THRUST
kg (lb.)
MAX
RUDDER
TORQUE
Nm
(lb.in.)
HARD-
OVER
TIME sec.
(30%
load)
POWER
CON-
SUMP-
TION
TILLER
ARM
mm
(in.)
DD15 12V AC42N - - 150 Kgm 2 A -
HLD350 12V AC12N 200 (7.9) 350 (770) 610
(5400)
12 2.5-8 A 175
(6.9)
HLD2000L 12V AC42N 340 (13.4) 500
(1100)
1460
(12850)
19 3-10 A 298
(11.7)
HLD2000D 24V AC42N 200 (7.9) 1050
(2310)
1800
(15900)
11 3-10 A 175
(6.9)
HLD2000LD 24V AC42N 340 (13.4) 1050
(2310)
3180
(28000)
19 3-10 A 298
(11.7)
MSD50* 12V AC12N 190 (7.5) 60 (132) - 15 0.8-2 A -
RAM-T1-12V 12V AC42N 254 (10) 680
(1496)
1427
(12574)
16 2-4 A 214
(8.4)