Rockwell Automation 1784-PM16SE 16 Axis PCI SERCOS interface Card Installation Instructions User Manual
Page 23
 
16 Axis PCI SERCOS interface Card 23
Publication 1784-IN041A-EN-P – June 2003
Card Status Using the OK Indicator
The SERCOS Ring Status LED
The SERCOS Ring Status LED shows the status of the SERCOS ring.
If the OK 
LED 
displays:
Then the card status is:
Take this action:
Off
The card is not operating.
•
Apply power.
•
Verify the card is completely 
inserted into the PCI slot.
Flashing 
green light
The card has passed internal 
diagnostics, but has not 
established active 
communications.
•
None, if you have not 
configured the card.
Solid green 
light
•
Data is being exchanged.
•
The card is in the normal 
operating state.
None. The card is ready for action.
Flashing 
red light
•
A major recoverable 
failure has occurred.
•
An NVS update is in 
progress.
If an NVS update is in progress, 
complete the NVS update.
If an NVS update is not in progress:
Reboot
Solid red 
light
A potential nonrecoverable 
fault has occurred.
•
Reboot the card.
•
If the solid red persists, replace 
the card.