Bradley Smoker Rockwell Automation 1734-AENT User Manual
Publication 1734-UM011C-EN-P - January 2006
6-2 LED Status Indicators
Indication
Probable Cause
Recommended Action
Network Activity
Off
No link established.
Verify network cabling, and correct, as needed.
Flashing
Green/Off
Green/Off
Transmit or receive activity present.
None
Steady Green
Link established.
None
Network Status
Off
Device not initialized. The module does not have an
IP address.
IP address.
Apply power to device, verify IP address, and correct, as
needed.
needed.
Flashing Green
No CIP connections present. Device has an IP
address, but no CIP connections are established.
address, but no CIP connections are established.
None
Solid Green
CIP connections present. Device online and has an
IP address, and CIP connections are established.
IP address, and CIP connections are established.
None
Flashing Red
One or more CIP connections has timed-out.
Check for I/O module failure and controller operation, and
correct, as needed.
correct, as needed.
Solid Red
Duplicate IP address detected.
Verify IP address setting and correct, as needed.
Flashing
Red/Green
Red/Green
The module is performing a self-test (only occurs
during cycle power test).
during cycle power test).
None
POINTBus Status
Off
Device not powered - check module status
indicator.
indicator.
Apply power to device.
Flashing
Red/Green
Red/Green
LED cycle power test present.
None
Flashing Red
Recoverable fault occurred:
• At cycle power the number of expected
modules does not equal the number of
modules present
modules present
• A module is missing
• Node fault (I/O connection timeout)
• Node fault (I/O connection timeout)
occurred.
• Configure chassis size.
• Check for missing module and reinstall as needed.
• Check for I/O module failure and correct as needed.
• Check for I/O module failure and correct as needed.
Solid Red
Unrecoverable fault occurred - the adapter is bus
off.
off.
1. Cycle power to device.
2. If condition persists, replace device.
2. If condition persists, replace device.
Flashing Green
Firmware (NVS) update in progress.
None
Solid Green
Adapter online with connections established
(normal operation, Run mode).
(normal operation, Run mode).
None
System Power
Off
Not active; field power is off or dc-dc converter
problem present.
problem present.
1. Verify power is on, and apply power if needed.
2. Verify backplane power not exceeded, and correct.
3. Replace 1734-AENT module.
2. Verify backplane power not exceeded, and correct.
3. Replace 1734-AENT module.
Green
System power is on; dc-dc converter is active (5V).
None
Field Power
Off
Not active; field power is off.
Apply field power.
Green
Power is on; 24V is present.
None