Installation; Parts List; Fitting The Unit; Alignment With The Host Compass - MARINE DATA MD52A User Manual

Ship's magnetic compass sensor
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MD52A

9 INSTALLATION

On delivery, carefully inspect the contents of the packing case. Note any damage or any
missing items. Determine whether an MD54 Adhesive Mount option or an MD58
Bracket Mount option is being used and ensure that the correct parts are included for
your application.
9.1

Parts List

Item:
Description:
MD52A Ship's Magnetic Compass
1
Sensor
2
MD54 Adhesive Mount
3
MD58 Bracket Mount
4
MD97JB Junction Box**
9.2

Fitting the unit

Inspect the mounting position for suitable clearance and cable access. For dimensions,
refer to section 7 - major dimensions.
The MD52AX variant is connected directly with a MARINE DATA MD97JB Junction Box
(pass-through device).
The MD52AT variant is connected with a MARINE DATA MD97 Compass Sensor
Interface, either directly or or through an MD94 series Data Distribution Unit, depending
on the system configuration required.
Refer to tables 9.4 and 9.5 for connector pin identifications.
9.3

Alignment with the Host Compass

To align the MD52A sensor with the host magnetic compass, connect the system
together with a heading repeater, power-up the system and allow the reading to settle. If
the initial reading on the heading repeater does not match the magnetic compass card
then some adjustment is required. Slacken the four M4 screws which clamp the sensor
to its mounting (type MD54 or type MD58) and gently rotate the MD52A sensor until the
heading repeater reads the same heading as the magnetic compass card. Allow the
reading on the heading repeater to settle and fine adjust if necessary.
When the heading repeater indicates the the same heading as the magnetic compass
card then the MD52A is correctly aligned. Gently tighten the four M4 screws to clamp
14
No.
included:
F052001 (XLR connector variant)**
1
F052003 (Triad connector variant)
(1)
F054001 (optional)
(1)
F058001 (optional)
F097001 (optional)
(1)
XLR version only
MARINE DATA
Part Number:

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This manual is also suitable for:

Md52atMd52axF052003F052001

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