Allen-Bradley ControlLogix User Manual

1756-6.5.3 - December 1999
12-4 Troubleshooting
Alternating red/off Incorrect node configuration Check network address and other
ControlNet configuration
parameters.
Off Channel disabled Program network for redundant
media, if required.
Steady 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 Keeper node is
present and working
.
(1)
Flashing red/off Media fault Check media for broken cables,
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, contact A-B
representative or distributor.
(1)
The Keeper node is the node responsible for distributing ControlNet configuration data to
all nodes on the network.
Cause Action
and
AB

Allen-Bradley ControlLogix Specifications

General

Communication	EtherNet/IP, ControlNet, DeviceNet, DH+
I/O Capacity	Up to 128, 000 I/O points (varies by configuration)
Redundancy	Supported (with specific modules)
Programming Software	Rockwell Automation Studio 5000 Logix Designer
Operating Temperature	0°C to 60°C (32°F to 140°F)
Programming Languages	Ladder Logic, Function Block Diagram, Structured Text, Sequential Function Chart
Modularity	Yes
Certifications	UL, CE
Processor Type	Multiple options available, including standard, safety, and extreme environment processors
Power Supply	Multiple options available, including standard and redundant power supplies with various voltage ranges (e.g., 24V DC, 120/240V AC)