Simrad AP50 Installation Manual download pdf (Page 40)

Installation

20222469 / B 31

If the compass is deck-mounted or bulkhead-mounted

athwartship with the cable gland pointing aft, little if any offset

correction is required. When the cable gland points forward, a

180° correction is required.

When mounting the compass on a bulkhead alongship, a +90° or

-90° correction is needed, dependent on whether it is a port or

starboard bulkhead.

Select a location that provides a solid mounting place free from

vibration as close to the vessel's center of roll and pitch as

possible (i.e. close to the water line). It should be as far as

possible from disturbing magnetic influences, such as the

engines (minimum of 2 m), the engine ignition cables, the air-

conditioning, any refrigerators, other large metal objects, and

particularly the drive unit.

Use the supplied mounting kit and drill the holes through the

center of the slots in the sensor or the mounting brackets.

Note ! The compass faceplate on the rate compass is the TOP. NEVER

mount it upside down! Level the sensor as close to horizontal as

possible.

AP50

CONTROL

UNIT

RATE

COMPASS

Figure 2-26 RC25 Connection to AP50 Control Unit

• Connect the Robnet connector to the AP50 Control Unit (or

GI51 or NI300X if installed).

• Alternatively, if there is no free receptacle, cut the connector

from the cable and connect the wires in parallel with the

wires going from the junction unit to the control unit. Do not

connect the yellow and the green wires and ensure that they

do not connect with the terminal or chassis.

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Simrad AP50 Installation Manual Page 40