Allen-Bradley devicenet modules in logix5000 control systems Manual De Usuario
Publication DNET-UM004A-EN-P - March 2004
Troubleshoot a DeviceNet Network 12-7
DriveLogix and FlexLogix Scanner 1788-DNBO
Module status (MS) indicator
Network status (NS) indicator
N
State:
Description:
Recommended Action
off
No power applied to device.
Turn on power to the controller.
solid green Device is OK.
None.
flashing
green
green
Device either needs commissioning or is in the standby
state.
state.
Make sure the device is correctly configured.
flashing
red
red
Recoverable fault.
Make sure the scan list of the device matches the
configuration of the network.
configuration of the network.
solid red
Device has an unrecoverable fault.
1. Cycle power to the controller.
2. Replace the device
2. Replace the device
flashing
red-green
red-green
Device is in self test.
None.
State:
Description:
Recommended Action
off
• Device is not online.
• The device has not completed the Dup_MAC_ID test.
• The device may not be powered.
• The device has not completed the Dup_MAC_ID test.
• The device may not be powered.
If the module (MS) indicator is off, turn on power to the
controller.
controller.
flashing
green
green
Device is OK but is not communicating with other devices on
the network.
the network.
If the device is supposed to communicate with other devices,
add those devices to the scan list of this device.
add those devices to the scan list of this device.
solid green
Device is OK and is communicating with other devices on the
network.
network.
None.
flashing
red
red
Communication with at least 1 device has timed out.
Check the status tags of this device to determine which
device has timed out.
device has timed out.
solid red
Any of the following:
• Another device is using the same address.
• Communication problems on the network (bus off
• Communication problems on the network (bus off
condition).
• Device has an unrecoverable fault and may need to
be replaced.
• Make sure the device has a unique address.
• Make sure all devices are at the same baud rate.
• Cycle power to the device.
• For more corrective actions, see status code 91 on
• Make sure all devices are at the same baud rate.
• Cycle power to the device.
• For more corrective actions, see status code 91 on