Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 131

Section 3B
Power Distribution
3B-10
Servo
Motor
Servo
Motor
Analog
I/O
Digital
I/O (dc)
Digital
I/O (dc)
RS--422 or
RS--232
Terminal
High Density
I/O
Line Filter/
Transformer
Servo
Amplifier
Spindle
Drive
Main
power
supply
Operator Panel
(see below)
Operator Cabinet
MTB Panel
HPG
Component Enclosure
input
output
Color
CRT
Spindle
Motor
Encoders/Resolvers
Single point
GND
Keyboard
Interface
Operator Panel
power supply
Monochrome
CRT
Keyboard
Interface
Operator Panel
power supply
Machine Tool
Drives Cabinet
Keyboard
Interface
Operator Panel
power supply
Operator Panel
Interface Module
Chassis
GRND Stud
Chassis
GRND Stud
Chassis
GRND
Stud
Earth GND (typically AWG 8)*
Chassis GND (typically AWG 10)*
Chassis GND (typically AWG 12)*
Signal GND
GND through mounting
Shield
Protected Earth (PE)
(typically AWG 8)*
Refer to local standards and
codes for wire sizing.
*
9/230 CNC
PE
Chassis
GRND Stud
MTB Panel
I/O Module
Chassis
GRND Stud
PE
PE
PE
Monochrome Operator Panel
Color Operator Panel
Portable Operator Panel Interface Assembly
PE
PE
END OF SECTION