5a.2 cnc processor board – Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual

Page 252

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Section 5A

9/440 Resolver--based CNC/Drive System

5A-6

The CNC processor board contains the main CPU. It provides connection
for the 9/Series:

fiber optic I/O ring
E--Stop string
connection to peripheral devices (two serial ports A and B)
video connection

CNC Processor Board

Serial Port A

Video

Front of

System Module

I/O Ring

Connectors

Serial Port B

E--Stop

Connector

TB1

Optional

RAM

SIMMS

R--I/O

LED

Flash

SIMMS

Option

Chip

Xilinx LED

Watchdog LED

5A.2

CNC Processor Board

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