Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 293)

Section 5B
9/440HR CNC/Drive System
5B-3
9/440HR System Module
Open cover
Press cover
release to open
Wiring Board
E-Stop connections
(TB1)
9/440HR CNC Assembly
Power Terminal Block
PE Stud
Power Assembly
This chapter only covers the 9/440HR CNC assembly and the
interconnecting wiring board. The 9/440HR CNC assembly consists of a
CNC processor board and a high--resolution CNC feedback board both
connected into a mounting bracket. Refer to the section entitled
Connecting Feedback for details on the high--resolution CNC feedback
board and refer to the section entitled 9/440HR CNC Wiring Board for
details on the interconnecting wiring board. For details on the drive/power
portion of the 9/440HR system module, refer to your 1394 Digital AC
Multi-Axis Motion Control System Users Manual (publication 1394-5.0)
and the section entitled Power Terminal Block Connection.