Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 784)

Section 15B
Replacement Procedures
15B-28
6. Remove the keyboard I/O ring interface and replace it with a new
keyboard I/O ring interface.
7. Replace and tighten the 4 mounting screws then reconnect all cables.
8. Set the node address (JP1 and JP2) to match the jumper settings on
the old keyboard I/O ring interface.
The node address is selected by cutting the jumpers located on the
operator panel keyboard I/O ring interface. Figure 15B.6 shows the
location of the jumpers.
9. Set the color or monochrome operator panel jumper (JP3) to match
the type of operator panel you have. The center pin of JP3 and the
pin labeled COP should be shorted when installed on a color operator
panel. The center pin of JP3 and the pin labeled MOP should be
shorted when installed on a monochrome operator panel.
Figure 15B.6
Operator Panel Jumper Positions
Rear
Operator
Panel
Front
CN19M
JP1
JP2
JP3
JP
3
M
O
P
CO
P
8520--KBI
JP3 shown configured for
color operator panel.
The keyboard I/O ring interface board is mounted under the CRT, next to
the power supply module on the color operator panel.