AB Quality Allen-Bradley 1394 User Manual page 169

For this module: For this LED:
CNC Interface I/O Ring
System Module Status
9/440 System XILINX
Module
WATCHDOG
Status
R-I/O
Status of the
Potential Cause:
LED:
Steady red The fiber optic ring has failed at
some point before the 1394 system
module.
Flashing red The fiber optic ring has failed at
some point after the 1394 system
module.
Not No power to the system.
illuminated This LED is not illuminated when
operating normally.
Steady red Operating normally.
Not Power to the system module is not
illuminated on.
An XILINX hardware fault has
occurred.
Steady red Operating normally.
Not Power to the system module is not
illuminated on.
Watchdog has timed out and a
processor failure has occurred.
Steady red Operating normally.
Not Power to the system module is not
illuminated on.
Watchdog has timed out and a
processor failure has occurred.
Steady or For systems with remote I/O, this
flashing red indicates that communication with
remote I/O is occurring.
Not Your system does not have remote
illuminated I/O or you have not enabled remote
I/O in your program.
Troubleshooting
Possible resolution:
Check all components and connections before
the 1394 on the fiber optic ring.
Check all components and connections after
the 1394 on the fiber optic ring.
Check 24V control power and 460V AC input
power for the 1394.
None needed.
• Cycle power.
• Apply power to the system module.
• Replace the system module.
• Contact your local Allen-Bradley Support
Representative.
None needed.
Apply power to the system module.
• Cycle power.
• Replace the system module.
• Contact your local Allen-Bradley Support
Representative.
None needed.
Apply power to the system module.
• Cycle power.
• Replace the system module.
• Contact your local Allen-Bradley Support
Representative.
None needed.
• Verify that you have purchased the remote
I/O option for this system.
• Verify that you have enabled the remote I/O
in your PAL program.
Publication 1394-5.0 — May 2000
9-3