Publication 1734-UM001D-EN-P - April 2008
Troubleshoot with the Indicators
159
Indication
Probable Cause
Recommended Action
ControlNet A/B Status
Viewed Together (A and B)
Both Steady Off
Reset, no power, or entire network interface deactivated.
None or cycle power.
Alternating
red/green
Self test mode is present.
None.
Alternating
red/Off
Incorrect configuration is present.
Check network address and other ControlNet
configuration parameters.
Both Steady red
Faulted unit is present.
Cycle power or reset unit. If fault persists, contact
A-B representative or distributor.
Viewed Individually (A or B)
Steady Off
Channel disabled.
Program network for redundant media, if required.
Flashing
red/green
Incorrect network configuration is present.
Cycle power or reset unit. If fault persists, contact
A-B representative or distributor.
Flashing red/Off
•
Media fault.
•
No other nodes present on network.
•
Check media for items such as broken cables,
loose connectors, and missing terminators.
•
Add other nodes to the network.
Flashing
green/Off
•
Temporary channel errors are present.
•
Node is not configured to go on line.
Make sure the configuration manager node is
present and working and selected address is not
greater than selected UMAX.
(1)
Steady green
Normal operation - MAC frames are being received without
detected errors.
None.
(1)
The configuration manager node is the node responsible for distributing ControlNet configuration data to all nodes on the network.
Indication
Probable Cause
Recommended Action
System Power
Off
Not active - field power is off or dc-dc converter
problem.
1. Verify field power is on.
2. Verify backplane power (load current) is not exceeded.
3. Replace 1734-ACNR adapter.
Green
System power is on, and dc-dc converter is active
(5V).
None.
Field Power
Off
Not active - field power is off.
Apply power to device.
Green
Power is on - 24V is present.
None.
Summary of Contents for 1734-IA2
Page 4: ...Publication 1734 UM001D EN P April 2008 4 Summary of Changes Notes ...
Page 12: ...Publication 1734 UM001D EN P April 2008 12 Table of Contents Notes ...
Page 77: ...Publication 1734 UM001D EN P April 2008 Install POINT I O Modules 77 ...
Page 78: ...Publication 1734 UM001D EN P April 2008 78 Install POINT I O Modules ...
Page 179: ...Publication 1734 UM001D EN P April 2008 Default Data Maps 177 Notes ...
Page 180: ...Publication 1734 UM001D EN P April 2008 178 Default Data Maps ...
Page 236: ...Publication 1734 UM001D EN P April 2008 234 Notes ...
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