Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 137)

Section 4A
Primary 9/260 and 9/290 Components
4A-3
On the 9/260 and the 9/290 the motherboard works with the CPU board to
process all software functions of the control. Figure 4A.3 shows the CPU
board connected to the motherboard within the enclosure.
Figure 4A.3
Front View of the Motherboard within the Enclosure
Lithium Battery Connector
Fast I/O Connector
I/O Ring Output Connector (Red)
I/O Ring Input Connector (Black)
E-stop Fuse and Spare
Pluggable E-Stop Connector
Motherboard LEDs
Port B
(Port A is on the CPU Board)
Video Connector
Power Supply Connector
(available on
9/290 only)
Servo
Board
Connectors
Connectors for Optional Modules
Connector for Remote I/O Port (9/290 only)
CPU Board Power Supply
4A.1
The Motherboard