Rockwell Automation Chassis Models - Manual (Page 14)

14 Chassis Models October 2005 – Issue 4
Triguard SC300E
BACKPLANE
Figure 2-2. Rear view of chassis showing backplane detail
The backplane is a multilayer printed circuit board that forms the rear plate of the box chassis
and carries all the interconnections and input/output connectors.
The backplane provides:
• A dual power and ground plane distribution system
• Processor to processor and processor to I/O module communication buses
• ‘Rear plug up’ field I/O connectors