Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 77)

Chapter 5
Installing the Decoder
5–3
The decoder and scan head are separate units that can be mounted on
separate surfaces. A 10 or 25-foot (3.05 or 7.62 meter) cable is used to
connect the two units. Figure 5.2 shows the outline dimensions of the
decoder.
Figure 5.2
Mounting Dimensions of the Decoder
Before installing the decoder, review the following information:
•
The decoder can be either wall or floor mounted.
•
Allow a minimum clearance of 8 inches (0.2 meter) at the rear of the
decoder so you can attach the cables to the various ports.
•
If output modules are being used, allow a minimum clearance of 8 inches
at the top of the decoder so you can remove or rewire output modules.
Determining the Space
Requirements
Installing the Decoder