Utilization percent (u%) indicator – Rockwell Automation 1788-ENBT EtherNet/IP Daughtercard Installation Instructions User Manual
Page 9
 
EtherNet/IP Daughtercard 9
Publication 1788-IN054A-EN-P - September 2002
Utilization Percent (U%) Indicator
This LED indicates utilization percent of the daughtercard only and does not 
address the system performance of the daughtercard plus host.
Where to Find Information on Configuring the Daughtercard
Now that you have installed your EtherNet/IP daughtercard, you must configure it. 
Refer to your FlexLogix System User Manual, publication 1794-UM001.
Condition
Status
Indicates
Recommended Action
off
less than 80% 
utilization
The I/O packet rate to/from this 
daughtercard is less than 80% of 
the available packet rate and less 
than 80% of the 32 available I/O 
connections are currently in use.
Normal operation. No action required.
flashing 
green
80% packet 
rate reached 
The I/O packet rate to/from this 
daughtercard is at least 80% of the 
available packet rate (4000 
packets/sec). That is, the I/O 
packet rate is at least 3200 
packets/sec.
Normal operation. No action required.
80% 
connections in 
use
At least 80% of the 32 available 
connections are currently in use. 
That is, from 26 to 31 I/O 
connections are in use.
Normal operation. No action required.
green
all connections 
in use
All 32 of the daughtercard’s I/O 
connections are currently in use.
Normal operation when all 32 I/O 
connections are in use.
flashing 
red/green
self-test
The daughtercard is performing its 
power-up self-test.
Normal operation during powerup.