Rockwell Automation 1756-SPESMNRMXT GuardLogix Controllers User Manual - Manuel (Page 136)

136 Rockwell Automation Publication 1756-UM020I-EN-P - August 2012
Appendix A Status Indicators
1756-L7xS Controllers Status
Indicators The status of the primary controller is displayed via four status indicators.
RS232 Off There is no activity. N/A
Green Data is being received or transmitted. N/A
SAFETY TASK Off N/A No partnership established. Primary controller is missing, is not
functioning properly, or its firmware revision is incompatible
with that of the safety partner.
Green N/A Safety controller status is OK. The coordinated system time (CST)
is synchronized and safety I/O connections are established.
Green, Flashing N/A Safety controller status is OK. The coordinated system time (CST)
is not synchronized on the primary controller or the safety
partner.
Red N/A Partnership was lost and a new partnership has not been
established. Primary controller is missing, is not functioning
properly, or its firmware revision is incompatible with that of the
safety partner.
Red, Flashing N/A Safety task is Inoperable.
(1) I/O includes produced/consumed tags from other controllers.
Table 44 - 1756-L6xS Status Indicator Descriptions
Indicator Status Primary Controller Description Safety Partner Description
Table 45 - 1756-L7xS Primary Controller Status Indicator Descriptions
Indicator Status Description
RUN Off No user tasks running. Controller is in PROGram mode.
Green Controller is in RUN mode.
FORCE Off No forces, standard or safety, are enabled on the controller.
Amber Standard and/or safety forces have been enabled.
Use caution if you install (add) a force. If you install a force, it
takes immediate effect.
Amber, Flashing One or more I/O addresses, standard and/or safety, have been forced to
an on or off state, but forces are not enabled.
Use caution if you enable I/O forces. If you enable I/O forces, all
existing I/O forces also take effect.
SD Off No activity is occurring with the memory card.
Green, Flashing The controller is reading from or writing to the memory card. Do not
remove the memory card while the controller is reading or writing.
Green
Red, Flashing The memory card does not have a valid file system.
Red The memory card is not recognized by the controller.