Rockwell Automation Allen-Bradley ControlLogix EtherNet/IP User Manual

Rockwell Automation Publication 1756-UM004A-EN-P - March 2019 27
ControlLogix Network Device Status Indicators Appendix A
SD
(1)
The SD indicator shows if the SD card is in use Off No activity is occurring with the SD card. You can safely remove
the card, if necessary.
Flashing green The module is reading from or writing to the SD card.
IMPORTANT: Do not remove the SD card while the module is
reading or writing. Let the read/write complete without
interruption. If you interrupt the read/write, data corruption or
loss can occur.
Solid green
Flashing red One of the following exists:
• The SD card does not have a valid file system.
• The SD card drew excessive current and power has been
removed from the card.
Solid red The module does not recognize the SD card.
Parallel Redundancy
Protocol (PRP)
(1)
Check Firmware Revision for availability of this feature.
Redundant Adapter (RA)
(1)
Check Firmware Revision for availability of this feature.
(1) Status indicators only available on the 1756-EN4TR, 1756-EN4TRK, 1756-EN4TRXT.
Table 4 - Dual-port Module Status Indicators
Status Indicator Description Status State

Rockwell Automation Allen-Bradley ControlLogix EtherNet/IP Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley ControlLogix EtherNet/IP
Category	Network Hardware
Language	English