User manual

Rockwell Automation Publication 1769-UM011I-EN-P - February 2013 133
Status Indicators Appendix A
CompactFlash Indicator
This is the CompactFlash card status indicator present on all CompactLogix
controllers.
.
RS-232 Serial Port Status
Indicators
These are the RS-232 serial port status indicators present on all CompactLogix
controllers.
ControlNet Indicators
The ControlNet indicators are only on the 1769-L32C and 1769-
L35CR controllers.
Use these indicators to determine how your CompactLogix 1769-L32C or 1769-
L35CR controller is operating on the ControlNet network:
• Module Status
• Network Status
These indicators provide information about the controller and network when the
controller is connected to ControlNet via the BNC connectors.
ATTENTION: Do not remove the CompactFlash card while the controller is
reading from or writing to the card, as indicated by a flashing green CF status
indicator. This could corrupt the data on the card or in the controller, as well as
corrupt the latest firmware in the controller.
Indicator Condition Interpretation
CF Off There is no activity.
Flashing green The controller is reading from or writing to the CompactFlash card.
Flashing red CompactFlash card does not have a valid file system.
Indicator Condition Interpretation
DCH0 Off Channel 0 configuration differs from the default serial configuration.
Steady green Channel 0 has the default serial configuration.
CH0 Off No RS-232 activity.
Flashing green RS-232 activity.
CH1
(1769-L31
only)
Off No RS-232 activity.
Flashing green RS-232 activity.
Table 34 - ControlNet Network Status Indicator States
Status Indicator State Interpretation
Steady The indicator is on continuously in the defined state.
Alternating When viewed together, two indicators alternate between two defined states; the
two indicators are always in opposite states, out of phase.
Flashing When viewed independent of another, an indicator alternates between the two
defined states; if both indicators are flashing, they flash together, in phase.