Rockwell Automation 1785 PLC-5 Manuel d'utilisateur Page 149

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Troubleshooting
Extended Local I/O 5-29
Troubleshooting
Extended Local I/O 5-29
Troubleshooting – 1771-ACN(R)15 ControlNet Indicators
Indicators Ch A and B (simultaneously) Cause Action
Off No power Power up
Red Faulted unit Cycle power or reset unit
Flashing Red/Green Self-test None
Flashing Red/Off Incorrect node
configuration
Check network address and other ControlNet
configuration parameters
Indicators Ch A or B (individually)
Off Channel disabled Program network for redundant media if required
Green Normal operation None
Flashing Green/Off Temporary errors None, unit will self-correct
Node is not configured
to go on line
Make sure the configuration manager node is present
and working*
Flashing Red/Off Media fault Check media for broken cable, loose connectors,
missing terminators, etc.
No other nodes
present on network
Add other nodes to the network
Flashing Red/Green Incorrect network
configuration
Cycle power or reset unit.
If fault persists, repair or replace adapter.
*The configuration manager mode is the node responsible for distributing the ControlNet configuration data to all nodes on the network.
STATUS
NET
ADDRESS
Ch B
Ch A
OK
1771 I/O ControlNet
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