22.03.2015 Views

Training, Installation & Service Manual - Livewire Connections Ltd

Training, Installation & Service Manual - Livewire Connections Ltd

Training, Installation & Service Manual - Livewire Connections Ltd

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Removal and replacement of ADU modules<br />

9.5.4 Replacing the DC-Motor Driver Module<br />

(DDM)<br />

The ADU is equipped with three (3) DDMs for the axes:<br />

• Cross Elevation DDM<br />

• Elevation DDM<br />

• Azimuth DDM<br />

By the input from the PCM the DDM controls the power delivered to<br />

the DC-motors to control the orientation of the ADU.<br />

The DDM has two LEDs for status and troubleshooting:<br />

• Power LED: green or Off<br />

• <strong>Service</strong> LED: green or red<br />

<strong>Service</strong> LED<br />

(green or red)<br />

Power LED<br />

(green)<br />

Figure 9-22: DC-Motor Driver Module (DDM) for Cross Elevation<br />

For step-by-step instructions see:<br />

• Removing the Azimuth DDM on page 9-27<br />

• Inserting a new Azimuth DDM on page 9-28<br />

• Removing the Azimuth DDM on page 9-27<br />

• Inserting a new Azimuth DDM on page 9-28<br />

• Removing the Azimuth DDM on page 9-27<br />

• Inserting a new Azimuth DDM on page 9-28<br />

9-24 Chapter 9: <strong>Service</strong> & maintenance 98-133966-E2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!