Allen-Bradley 1734-ADN Bedienungsanleitung Seite 172

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Publication DNET-UM004A-EN-P - March 2004
12-10 Troubleshoot a DeviceNet Network
I/O Status indicator
DeviceNet (Network Status) indicator
State Description Recommended Action
flashing
green
Device is in idle mode To control outputs, place the device in run mode.
solid green Device is in run mode None.
solid
orange
Device is powering up. None.
flashing
red/green
A fault has been detected. Clear the fault.
off There are no devices in the scan list. If the device is supposed to communicate with other devices,
add those devices to the scan list of this device.
State Description Recommended Action
flashing
green
Device is OK but is not communicating with other devices on
the network.
If the device is supposed to communicate with other devices,
add those devices to the scan list of this device.
solid green Device is OK and is communicating with other devices on the
network.
None.
flashing
red
Communication with at least 1 device has timed out. Check the status tags of this device to determine which
device has timed out.
solid red Any of the following:
Another device is using the same address.
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
page 12-17
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