Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 151)

Section 4B
Connecting the 3-axis Servo Module
4B-5
Figure 4B.4
Typical 8520 digital Servo Drive Configuration for a Lathe
9/260 or 9/290
Cabinet or enclosure
Servo Module
(configured for
two axes and
one open loop
spindle with
position feedback)
Position feedback
Spindle
drive
ServoAmplifier
Spindle
motor
(2 axis
amplifier)
Feedback device
Feedback
device(s)
Velocity feedback
Servomotor
(Axis 1)
Servomotor
(Axis 2)
Analog signal
Servo drive signal (axis 1)
Current feedback (axis 1)
Servo drive signal (axis 2)
Current feedback (axis 2)
8520 digital
11275-I
For additional information on each of the major components, refer to the
section that covers that component.