Drive Unit Installation - Simrad AP24 Installation Manual

2.8 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 on page 19 onwards.
Installation instruction for the drive units are found in the
manual for the individual units.
The maximum drive current capability of the AC12 and
AC42 autopilot computers are different. Use the table
below as reference and observe the notes on next page.
MODEL MOTOR
VOLTS
RPU80 12V
RPU160 12V
RPU300 12V
RPU300 24V
18 | Installation
LFI3000 Mk2
Interface
TB1 TB2
Figure 2-9 LF3000/LFI3000 Mk2 connections
RAM CAPACITY
AUTO- MIN
3
PILOT cm
COMPU- (cu. in.)
TER
AC12 80 (4,9)
AC42 160 (9,8)
AC42 290 (17,7)
AC42 290 (17,7)
LF3000
Linear
Feedback
HYDRAULIC PUMPS
MAX FLOW RATE
3
cm AT 10 bar
3
(cu. in.) cm /min
(cu. in/min)
250 (15,2) 800 (49)
550 (33,5) 1600 (98)
960 (58,5) 3000 (183)
960 (58,5) 3000 (183)
Autopilot Computer
RUDDER
* *
Non polarized
(color independent)
MAX PWR.
PRESSURE CONSUM-
bar PTION
50 2,5-6 A
60 3-10 A
60 5-25 A
60 2,5-12 A