Rockwell Automation POINTBlock Series User Manual page 161

Indication Probable Cause
ControlNet A/B Status
Viewed Together (A and B)
Both Steady Off Reset, no power, or entire network interface deactivated.
Alternating Self test mode is present.
red/green
Alternating Incorrect configuration is present.
red/Off
Both Steady red Faulted unit is present.
Viewed Individually (A or B)
Steady Off Channel disabled.
Flashing Incorrect network configuration is present.
red/green
• Media fault.
Flashing red/Off
• No other nodes present on network.
• Temporary channel errors are present.
Flashing
green/Off
• Node is not configured to go on line.
Steady green Normal operation - MAC frames are being received without
detected errors.
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The configuration manager node is the node responsible for distributing ControlNet configuration data to all nodes on the network.
Indication Probable Cause
System Power
Off Not active - field power is off or dc-dc converter
problem.
Green System power is on, and dc-dc converter is active
(5V).
Field Power
Off Not active - field power is off.
Green Power is on - 24V is present.
Troubleshoot with the Indicators
Recommended Action
None or cycle power.
None.
Check network address and other ControlNet
configuration parameters.
Cycle power or reset unit. If fault persists, contact
A-B representative or distributor.
Program network for redundant media, if required.
Cycle power or reset unit. If fault persists, contact
A-B representative or distributor.
• Check media for items such as broken cables,
loose connectors, and missing terminators.
• Add other nodes to the network.
Make sure the configuration manager node is
present and working and selected address is not
greater than selected UMAX.
None.
Recommended Action
1. Verify field power is on.
2. Verify backplane power (load current) is not exceeded.
3. Replace 1734-ACNR adapter.
None.
Apply power to device.
None.
Publication 1734-UM001D-EN-P - April 2008
159
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