Rockwell Automation 1784-PCIC ControlNet PCI Communication Interface Card Installation Instructions - Manual (Page 50)

6-4 Interpret the LED Indicators
Publication 1784-IN003D-EN-P - January 2006
A or B
Cause Action
Flashing red/off • No other nodes
present on
network • Add other nodes to the network
Flashing red/green • Incorrect node
address • Change 1784-PCIC or 1784-PCICS node
address so that it is less than or equal to
UMAX
(1)
• Stop and restart the 1784-PCIC or
1784-PCICS driver in RSLinx software
• Incorrect network
configuration • Use RSNetWorx for ControlNet software to
reconfigure the ControlNet network so that
UMAX (1) is greater than or equal to the
1784-PCIC or 1784-PCICS node address
(1) UMAX is the highest node address on a ControlNet network that can transmit data.