Rockwell Automation 8520 9/Series Hardware TAB 5 - Manual (Page 141)

Section 5B
9/440HR CNC/Drive System
5B-67
Axis Module LEDs
The Axis module has a Status LED visible thru the front cover. It is:
LED Indicates
STATUS Steady Green bus up, axis enabled
Flashing Green bus up, axis not enabled
Flashing Red/Green ready, bus not up
Flashing Red
fault present
Steady Red hardware malfunction
For more details on how to diagnose and troubleshoot your axis module refer to the 1394 Digital AC
Multi-Axis Motion Control System Users Manual (publication 1394-5.0)
The following figure shows a typical interconnect diagram for a 9/440HR
CNC to 1326AB motors. Note this figure illustrates only one servo motor
with optional feedback encoder. The 9/440HR CNC can support up to four
servo’s and two spindle drives. 5B.8
General Wiring Overview