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• clutch: a two-core cable with red (+) and blue (-) cores
Follow these steps to connect the rotary drive to the course computer:
1. Measure the total distance of cable run from the drive unit to the course computer:
Table 1-1
• use
• use at least 1.5 mm
2. Join these cables to the drive cables using appropriate electrical connectors or junction
boxes at the correct power rating.
3. Route the cables back to the course computer, taking into account the EMC installation
guidelines (see
4. Connect the cables to the course computer (see
• CLUTCH terminals: red core to +ve, blue core to -ve.
• MOTOR terminals: at this stage you can connect either motor cable to either termi-
nal. You will check these connections after installing the rest of the autopilot system.
Table 1-1: Recommended cable sizes
Cable length
(drive to course computer)
Type 1 drive
up to 3m (10ft)
up to 5m (16ft)
up to 7m (23ft)
up to 10m (32ft)
up to 16m (52ft)
Type 2 drive 12V
up to 5m (16ft)
up to 7m (23ft)
up to 16m (52ft)
Type 2 drive 24V
up to 3m (10ft)
up to 5m (16ft)
up to 10m (32ft)
up to 16m (52ft)
to identify the appropriate motor cable size
2
(16 AWG) copper cable for the clutch
page 9
).
Cable gauge
(AWG)
14
12
10
8
6
10
8
6
12
10
8
6
Figure 2
):
Copper area
2
(mm
)
2.5
4
6
10
16
6
10
16
4
6
10
16
17
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